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Low-cost dual carrier with NEW Italian-made cages. Featuring 60% more grip force with an 8lb bottle grip. Includes 2 saddle mounts & 2 Xenon cages. Does not include bag. - Dual bottle system tucks neatly behind your saddle for easy access to hydration - NEW upgraded Italian-made, Xenon cages increase cage grip force by 60% over original model - Mounts low to not hinder your ability to get on and off the bike - First-time rear hydration system buyer? Mounts with a single screw for no-fuss install so you can self-install and quickly get on the road Ideal for first-time rear hydration system buyers - Ergonomically designed so you can easily access the bottle even with limited flexibility - Adjust bottle height by up to 1" to perfectly position to your comfort level Worry-free bottle security - High-gripping Xenon cages tout an 8lbs grip force (approx) – within the ideal range of rear system grip force for worry-free bottle retention Easy storage upgrades readily available - Add an XLAB Mini Bag – a compact storage bag that sleekly mounts between the cages! - Mini Bag easily fits all the essentials for a clincher repair kit – 1 tube, XLAB Air Strike CO2 cartridges, patch kit, XLAB inflator and tire levers - Includes: 2 Mini Wing Cage mounting brackets and 2 XENON Cages - Color: Silver mounting brackets with black cages - Material: 6061-T6 Aluminum mounting brackets. Nylon composite cages. - Cage Grip Force: 8lbs (3.6 kg) approx - Weight: 186g - Warranty: 3 Year Limited Warranty

The RoadLink DM (Direct Mount) is the RoadLink designed to fit Shimano's current generation R8000 Ultegra and R9100 Dura-Ace rear derailleurs. It serves as a simple device to offset the position of the rear derailleur, making it possible to run a wide-range mountain bike style cassette. It's an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter. - Fits Shimano R9100-generation Dura-Ace and R8000-generation Ultegra rear derailleurs - CNC machined from 6061-T6 aluminum with stainless steel bolt - Does not change the derailleurs total chain wrap capacity - Fits standard derailleur hangers only - Best used with Single or Double Setups - see manufacturer's site for more details

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

A durable, easy-to-install frame bag with clever internal pockets so you can carry more on every adventure. Limited edition bag with gold accents and topographical maps inside. Big bag, bigger adventures Adventure awaits with this durable frame bag featuring multiple pockets for all of your gear. Available in six sizes to ensure the best fit for your bike, this bag mounts quickly and easily with a simple strap design. The limited-edition Driftless design features topographic maps giving a nod to its namesake region. Product details: - Available in six sizes to best fit more frames and adventures - Optional thumb screws (sold separately) allow for threaded boss mounting on select Trek bikes - One main pocket and smaller compartment pocket make it easy to stay organized - Hi-vis lining with topographical maps of the Driftless region and internal mesh pockets make finding your gear easy - Water-resistant construction helps keep your gear dry - Durable materials and robust zippers are designed to last - Easy-to-use attachment straps feature a soft rubber coating to reduce abrasion Driftless design Inspired by Wisconsin's hilly Driftless Area, this limited-edition Driftless Adventure Frame Bag has rich golden accents and features a topographical design on the inside of the bag. Simple, secure installation Easy-to-use attachment straps fasten your bag tightly to your frame and feature a soft rubber coating to reduce abrasion.

Dual-sided, SPD-compatible clipless MTB pedals have trail-worthy durability with the efficiency of clipless CLIP INTO CONFIDENCE ON THE TRAIL The Line Comp Clipless Pedals have a durable diecast aluminum cage to protect from rock strikes and give a confidence-inspiring platform for easily clipping in, all while quickly clearing mud and debris. These pedals are best for you if you want serious clipless trail pedals that don't break the bank. PRODUCT DETAILS - Dual-sided SPD-compatible trail MTB clipless pedals - Fully adjustable clip in & clip out tension - Durable die cast aluminum body & cage to protect against rock strikes - The cage on trail pedals provides a platform for easily clipping in - Dual sealed ball bearings with chromoly spindles for smooth spinning durability - Install direction & torque spec listed on spindle - Includes cleats and mounting hardware

Genuine replacement parts. Achieve your ultimate aerodynamic and hydration goals. Details: - For optimal aerodynamic position. - Designed to fit seamlessly with the 3rd Generation Trek Speed Concept SLR - Please consult the assembly manual before attempting to service

A premium water bottle that delivers secure, leak-free hydration with a great in-hand feel and lasting freshness. A BETTER WATER BOTTLE Voda Flow is a premium water bottle with great in-hand feel and a Flow Top cap that offers lockable easy-squeeze hydration. The No-Drop Grip Ring adds a texture for a confident grasp even when wet, and it's all wrapped up with long-lasting graphics that stay looking fresh for miles to come. Recyclable, FDA-approved materials are free from BPAs and phthalates. PRODUCT DETAILS - A premium bottle that provides great in-hand feel and consistent leak-free closure - Flow Top cap's heart valve and soft-touch poppet offers easy-squeeze hydration - Secure threaded cap with easy open-and-close poppet locks down leaks - No-Drop Grip Ring provides a grippy texture for a confident grasp even when wet - Designed for easy cage entry and removal with secure retention - Bottle and cap are dishwasher safe and recyclable - USDA approved and free of BPAs and phthalates

Made with recycled materials, this side-entry bottle cage offers easy bottle access on small frames and in tight spaces. SIDE LOADING FOR TIGHT SPACES The Side Load Recycled Water Bottle Cage lets you easily access bottles while you ride. It's built from recycled materials and fits neatly in small spaces, making it the ideal choice for smaller frames, full suspension bikes, and when using a frame bag. Great for mountain and road riding alike. Using recycled materials in this product helps provide second life to unwanted end of life plastics. PRODUCT DETAILS - Made using recycled plastic - Lightweight and durable composite construction - Side-loading design allows for easy bottle access on compact frames - Mount it on the down tube for left-side water bottle access - Mount it on the seat tube for right-side water bottle access - Suitable for road and mountain use

Made with recycled materials, this side-entry bottle cage offers easy bottle access on small frames and in tight spaces. SIDE LOADING FOR TIGHT SPACES The Side Load Recycled Water Bottle Cage lets you easily access bottles while you ride. It's built from recycled materials and fits neatly in small spaces, making it the ideal choice for smaller frames, full suspension bikes, and when using a frame bag. Great for mountain and road riding alike. Using recycled materials in this product helps provide second life to unwanted end of life plastics. PRODUCT DETAILS - Made using recycled plastic - Lightweight and durable composite construction - Side-loading design allows for easy bottle access on compact frames - Mount it on the down tube for right-side water bottle access - Mount it on the seat tube for left-side water bottle access - Suitable for road and mountain use

An eco-conscious bike jersey that offers versatile performance with comfortable materials in a fitted cut. The best all-around jersey When you need one jersey that does it all, reach for the Circuit Cycling Jersey. It's built with lightweight and breathable fabrics, enhanced by 37.5 technology, which uses body heat to evaporate moisture and keep you cool, dry, and at the ideal core body temperature. Plus, it's packed with all of the other things that make a great cycling jersey, like three back pockets, full-length YKK zipper, and a raw edge sleeve for a seamless transition from jersey to skin. - An eco-conscious bike jersey that offers versatile performance with comfortable materials in a fitted cut. - STANDARD 100 by OEKO-TEX tested - 37.5 active-particle technology keeps your body at an ideal core temperature - Raw edge sleeve with silicone gripper for a comfortable and stay-put fit - Three open back pockets plus additional inset card pocket - Drop-tail design with silicone gripper covers your backside in riding positions for a cycling-specific fit - Full-length YKK zipper with recycled tape allows ventilation on long climbs or warm days - UV protection 50+ - Fitted cut provides a streamlined body fit for enhanced performance Made with love for you and the planet The Circuit Jersey is a bluesign product that's been STANDARD 100 tested by OEKO-TEX. 37.5 Technology Circuit uses 37.5 Technology to accelerate sweat evaporation and keep you cool, dry, and at the ideal core body temperature: 37.5° Celsius. Sleeves that stay Raw-cut sleeves with silicone-printed grippers provide a comfortable fit that stays put. Extended rear coverage A drop-tail design provides backside coverage and features silicone-printed grippers for added security. Essential storage Three open back pockets provide plenty of room to store your ride necessities. UV50+ Circuit fabrics are built to help you shine while reducing your exposure risk by offering UV50+ protection. How to care for your jersey Caring for your jersey will prolong its life, keep you fresh, and help eliminate odors to keep your ride partners happy. Wash in cold water on a gentle cycle and hang to dry.

Our best flat pedal features replaceable traction pins and fully serviceable internals for lasting performance. - Dial in your preferred traction with tunable pin placement and contact height - Concave pedal body locks in foot placement for pedaling and descending - Durable axle spins on sealed cartridge bearings - Replaceable barbed traction pins - Pedal body is made from 6061-T6 aluminum - Install with 8mm hex wrench

A stylish road helmet with advanced WaveCel technology that balances comfort and performance for all riders who value safety. A MAJOR ADVANCEMENT IN THE PROTECTION AGAINST CYCLING-RELATED HEAD INJURIES Starvos WaveCel is a versatile, high-value cycling helmet for new-to-seasoned riders who want WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. PRODUCT DETAILS - WaveCel advanced helmet technology - Intuitive, one-handed Headmaster fit system makes adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads - Available in XS and XL sizing - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over

Know what's coming. Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness. Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads. - CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away - Compatible with most cycling GPS computers - Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone - Designed with focus, flash, and range to be Daytime-visible from up to 2km away - Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM - Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status - IPX7 waterproof rating to confidently ride through wet conditions - Includes Quick Connect Plus rear mount and USB-C charging cable

Domane AL 5 is a speedy and versatile road bike that's a perfect starting point for anyone looking to get into road riding. With an Alpha Aluminum frame, clearance for larger tires, a 12-speed Shimano 105 drivetrain, top tube mounts, and an all-day road comfort geometry — the Domane AL 5 is perfect for casual pedaling, group rides, fast commutes, and even venturing beyond paved paths to most gravel roads. Why you'll love it - A totally versatile and smooth ride that's a perfect choice for your first performance road bike - Versatile 40mm tire clearance (as measured) lets you run bigger tires for extra comfort on most gravel roads - Internal cable routing and an integrated cockpit provide premium looks and a clean aesthetic - Rack, fender, and top tube mounts make it easy to carry all the gear you'll need - Powerful disc brakes allow for super-fast stopping power in all conditions It's right for you if… You're looking to venture into the world of road bikes and want one that's comfortable, smooth, and most importantly, won't break the bank. You want to ride primarily on roads but also want a bike that can handle a rail trail or crushed gravel path and versatile gearing that can handle any hill. Days spent pedaling under the sun sound perfect and you need a bike that is comfortable enough to let you ride as long as you see fit. The tech you get A 100 Series Alpha Aluminum frame with advanced tube shaping for high-end looks and ride quality, a Shimano 105 12-speed groupset, powerful disc brakes for all-weather stopping, super durable wheels, integrated frame mounts for carrying additional gear, and 32mm tubeless ready road tires for added cushion, and flared handlebars for extra control and stability. The final word Domane AL 5 is a true road bike and the perfect option if you're just getting into riding. It's comfortable for long days, quick enough to hang with the group, and extremely versatile for when you're ready to venture off-road.

FX Sport 5 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. It has an upgraded high-quality drivetrain, hydraulic disc brakes, and tubeless-ready rims making it perfect for everything from solo workouts to speedy group rides. - All the performance of an advanced carbon road bike, with the comfort and control that comes from a flat handlebar - The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter - On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides - It's easy to accessorize with fenders, lights, and more!

Marlin+ 8 is an electric mountain bike that's ready to up your game on the trail. Its Bosch Active Line Plus motor gives you just the boost you need for getting up steep climbs and riding farther, and doesn't break the bank, and a 120mm suspension fork keeps handling smooth through the rough stuff. Upgraded components, like wide tubeless-ready wheels and tires and a 12-speed Shimano drivetrain make this a trail-savvy ride that's ready to go anywhere. It's right for you if... A boost of power is just what you're after, but you don't drain the bank account. You want plenty of gears for riding all kinds of trails, and the flat protection offered by wide 2.6in tubeless-ready wheels and tires. The tech you get An Alpha Platinum Aluminum frame with real mountain bike geometry and an air-sprung 120mm fork. A reliable Bosch Active Line Plus 50Nm drive system capable of assisting you to speeds of 20mph/25kph. A compact Purion 200 remote with built in display and 400Wh Powertube battery. You get 12-speed Shimano Deore shifting, hydraulic disc brakes, and wide, 2.6in tubeless ready wheels that boost grip and help prevent flats. The final word Marlin+ is the go-to for riders looking to dip their toes into the electric mountain bike world. Its trail-savvy frame gives you confident control, and Bosch Active Line Plus motor offers enough power to take the burn out of long climbs. Why you'll love it - Its AUTO mode adaptive motor support recognizes speed reductions and adjusts assistance automatically - The 120mm suspension keeps your ride feeling smooth through bumps, roots, and rough stuff - Marlin+ is easy to use with simple controls and intuitive support, so you can focus on the ride ahead, not complicated remotes - Trail-savvy geometry keeps handling easy and confident from singletrack to city streets - Tons of rack and fender mounts let you customize your ride for the trail or taking on daily commutes

Emonda SL 6 Disc Pro is the first carbon road bike in the lineup that gives you lightweight carbon wheels to match your lightweight frame. Aero tube shaping, disc brakes, and a high-performance drivetrain make it a great option for roadies who value great handling and lots of speed. It's right for you if... You're looking for every performance advantage on fast group rides and races, and you'd rather get the whole package now than make an upgrade to carbon wheels down the line. You also want the free speed of an aerodynamic frame. The tech you get A lightweight and aerodynamic 500 Series OCLV Carbon frame and fork, Bontrager Aeolus Elite 35 carbon wheels, a full Shimano Ultegra 11-speed drivetrain, and powerful Ultegra flat-mount disc brakes. The final word The best thing about this bike is that it pairs a super fast aero frame and high-end drivetrain with really nice carbon wheels. This upgrade makes it a worthy choice for any ride, from sprints on your local roads to pro stage races to hill climbing competitions. Why you'll love it - Lightweight parts to match the lightweight frame: with Emonda SL 6 Disc Pro, there's nothing left to upgrade - Aerodynamic tube shaping makes this our fastest Emonda SL platform ever—on flats and climbs alike - Hydraulic disc brakes give you stopping power and control in any weather, on any road - Like every Emonda, it's built to be the lightest and fastest in its class and it’s backed by our lifetime warranty - Confidence in carbon: if your Bontrager carbon wheels are damaged within the first two years of ownership, we'll repair or replace them for free

Madone SL 7 offers legendary speed, cutting-edge tech, and unbelievable ride quality in a 500 Series OCLV Carbon package that keeps things light and quick for fast rides and races. IsoFlow technology smooths out bumps in the pavement while lowering weight and offering an aerodynamic advantage over your competition, and a wealth of speedy features like our newest Kammtail aero shapes, a wicked fast and smooth Shimano Ultegra Di2 electronic drivetrain, carbon wheels, and invisible hose routing make for a race machine that feels just as fast as it looks. It's right for you if... You want speed, quality, and performance with a carbon frame that turns heads, a premium electronic drivetrain, long-lasting tires that corner fast and grip hard, revolutionary IsoFlow aerodynamics, and an all-out aero road rig that makes every ride feel like your fastest ride ever. The tech you get A 500 Series OCLV Carbon frame with aero Kammtail tube shaping and revolutionary IsoFlow seat tube, invisibly routed cabling, a super fast Shimano Ultegra Di2 12-speed electronic drivetrain, Bontrager RSL Aero OCLV Carbon handlebars, and Bontrager Aeolus Pro 51 tubeless-ready carbon wheels. The final word Madone SL 7 is a premium race-ready speed demon that's itching to take you on your fastest road rides and carry you to the podium on every race. It belongs at the front of the group setting the pace and conquering KOMs. Why you'll love it - A full OCLV Carbon frame paired with a wicked fast Shimano Ultegra Di2 drivetrain provides an ultra-premium ride - IsoFlow technology helps the seatmast and saddle flex for a more comfortable ride while also improving frame aerodynamics and shaving weight - Flared Bontrager RSL Aero Handlebar is comfortable in the drops, improves aerodynamics, and looks super sleek - Deep Bontrager Aeolus Pro 51 OCLV Carbon wheels cut through the wind and lighten your ride - A Shimano Ultegra Di2 electronic drivetrain offers noticeably smoother and faster shifting

E-Caliber 9.8 GX is a lightweight carbon electric mountain bike that rides—and looks—like a traditional cross country bike. It's built with the same race-worthy tech as Supercaliber, including our exclusive IsoStrut integrated shock, and it has a sleek Fazua drive system that delivers a little boost when you want it most. It's right for you if... You're an avid XC rider, and love the idea of an e-MTB that helps you push your limits without providing too much assistance. It's also great for those who want to get out and ride more, or keep pace with faster friends. The tech you get A lightweight OCLV Mountain Carbon frame with 60mm of travel, a 120mm RockShox SID Select+ fork, and Trek IsoStrut shock. A Fazua Evation motor and 250Wh battery that can assist up to 20 mph when it's on, and gives zero drag when it's off. A SRAM GX Eagle drivetrain, Bontrager Line Elite dropper post, and Kovee Pro 30 carbon wheels with a 108-tooth Rapid Drive rear hub for instant engagement. The final word E-Caliber flies down singletrack like an XC MTB—because it's modeled after Supercaliber! And the Fazua assist is awesome for riders who are looking for just a little advantage that’ll help them do even more of what they love. Why you'll love it - You get a helping hand from the motor on climbs and long rides, but it's a more natural-feeling assist that gives you an overall experience that's closer to riding an analog bike than a typical e-MTB - The drive system, including the motor, is easily removable. Just take it out, pop on the included cover, and you'll have a standard mountain bike that weighs 2.9kg less than before - IsoStrut gives you just enough rear suspension for cross country traction and comfort with less weight and more efficiency - Pivotless seat stays save on weight and actively bend to help soak up trail chatter - Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction

A clever handlebar bag that converts to a waist pack. Great for cameras, cell phones and other essentials you want close at hand. Rain cover included. - Divided main compartment, Two side zip pockets - Material: 1800 denier nylon - Max Load: 5kg / 11lb - Fully padded - Waist Belt, Carry handle, Rain cover, Yellow lining - QuickClick Handlebar Mount (Fixer 8) - Fits 25.4, 28.6 & 31.8mm handlebars - Size: 22 x 18 x 13cm / 8.7" x 7.1" x 5.1" - Weight: 334g / 11.78oz

Elevate your active lifestyle with Sanctum, the sports sunglasses that seamlessly integrate style, comfort, and performance into your everyday adventures. Sanctum enhances Tifosi's classic Swick model but with a larger lens and fit. Whether you're tackling trails, enjoying a leisurely bike ride, or pushing through intense workouts, Sanctum is the perfect companion to elevate your active endeavors.

Rail Race takes the iconic Rail sunglasses to new heights, specifically tailored for cycling and baseball enthusiasts. Building upon the success of the original Rail, Rail Race is a 2-lens interchange model that combines style and performance to elevate your outdoor experience.

Sledge Lite in Matte Black takes all the performance of Sledge and packs it into a streamlined, lighter design. The oversized ergonomic face-fit features three vented lens options that provide maximum coverage with adjustable temples. Sledge Lite caters to comfort and drives performance. Slay in Sledge Lite. - Frame: Light & Durable Grilamid TR-90 - Lens: Smoke / AC Red / Clear – Shatterproof polycarbonate interchange lenses for bright and low light scenarios - Features: Vented lenses, fully adjustable nose & ear pads, hydrophilic rubber ear and nose pads that increase grip the more you sweat - Fit: Medium-XL | Weight: 35.5G - Included: Zippered Hardshell Case & Microfiber Cleaning Bag

Thule T2 Pro XTR is a premium bike rack for demanding bike enthusiasts. With time-tested durability and award-winning design, this robust bike rack is ready for a wide variety of bike styles, including e-bikes. Hassle-free design Thule T2 Pro XTR has loads of features that make it easy to attach, use, remove, and store. From the tool-free AutoAttach system to the integrated wheels that help maneuver the rack to and from the vehicle, each detail has been carefully engineered, allowing you to focus on getting out and enjoying the ride. Extreme testing At our state-of-the-art Thule Test Center, we put the Thule T2 Pro XTR through the most demanding tests on the market. After using our specially designed test equipment to simulate the rack driving around the world twice, we then expose it to extreme heat, cold, and real-world road tests to ensure we deliver the most durable rack out there. Features: - Versatile design fits nearly all styles of bikes up to 60 lbs with zero frame contact - AutoAttach system makes installation and removal simple and tool-free - Integrated wheels help to maneuver the rack on and off the vehicle - The HitchSwitch lever allows you to tilt the rack down for rear vehicle access or tilt it up when not in use - Fits 20-29" wheels and up to 5" tires without adapters making it ideal for carbon frames, mountain, downhill, or fat bikes - Integrated cable lock and lock knob locks bikes to the rack and secures the rack to the receiver - Generous spacing between bike mounts with the ability to adjust side to side to eliminate bike interference - Carries up to 4 bikes with Thule T2 Pro XT Add-On (sold separately, 9036XTB, 2" receiver only)

The most advanced foam ever used in bar tape along with an extremely long wearing and tacky top layer, this is the ultimate in comfort. - 2.5mm of cushion similar dampening to 3.5mm in other tapes. - Laser engraved aluminum end plug. - Fully adhesive finishing tape. - Butterfly clamp cover that doesn't add bulk. - SILCA Crash Replacement Program

Shimano 105 7000-series components offer much of the same technology and functionality as their top-level 11-speed drivetrains at a more budget-friendly price point. The RD-R7000 rear derailleur provides stable shifting performance and wide-range compatibility in two different cage lengths. The Shadow RD design limits the amount the derailleur sticks out from the side of the bike, reducing the risk of it making contact with objects and bending. - Maximum cog size: 30t (SS) / 34t (GS) - Total capacity: 35t (SS) / 39t (GS) - Pulleys: 11t - Chain compatibility: HG-EV 11-speed/HG-X11 - Direct mount compatible

- Series: SORA - Crank Construction: 2-piece crank construction - Bottom Bracket: BB-RS500, BB-RS500-PB - Chain Line: 43.5 - 9-speed - Four-arm BCD

Shimano Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested