Parts

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

- Large pedal platform - Lower platform height for pedaling stability - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-moly spindle with 8 mm hex wrench mount - Sealed mechanism - SM-SH51 Cleat included - 1.0 mm cleat spacer included - Binding: Dual sided - Cartridge axle - Cleat retention adjuster - Average weight: 342g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)

Shimano HG-800 11-speed cassette. - High-performance gear combinations provide superior rider choice - With hub body for MTB to fit a variety of bikes from MTB to road - Average Weight: 335 grams

The uninterrupted shifting experience of the Shimano Ultegra CS-R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. - Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation - Faster, smoother shifts under maximum pedaling force - Compatible with 12-speed and road 11-speed freehub body

• Steel construction on all but the largest aluminum gear • Nickel-plated finish for corrosion and wear resistance • Dyna-sys 11-speed cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance • Fits Dyna-sys 11-speed and current Shimano 9/10-Speed MTB hubs • The largest cog (40t) is positioned inboard and above the drive-side flange • Hubs with tall drive-side flanges may not be compatible due to spoke interference

PD-R7000 NEW FEATURE - Carbon fiber reinforced resin pedal body - Wide contact area - 265g/pr (25g/pr lighter than PD-5800) BENEFIT - Optimum power transfer - Lightweight - Aerodynamic image - Color: CFRP - Average weight: 265 g - Road clearance: 31° - Binding: Single Sided - Cleat included: SM-SH11 - Optional cleat: SM-SH10 / SM-SH12 - Pedal Type: Road - Reflector: SM-PD65

- Wide pedal-to-shoe contact area - Wider bearing placement for increased rigidity - Slimmer, lighter axle - Low platform height for pedaling stability - Lightweight: 310g pair - Oval shape axle body housing for smoother mud & debris flow - Slimmer axle unit increases open space between bindings - Robust, dependable retention claws provide smooth engagement/release - Adjustable entry and release tension settings - Strong , durable chrome-moly spindle with 8mm hex wrench mount

When it’s time to update the flagship XTR pedals, we look at every detail under a microscope. Off-road racing demands speed, focus, and control. And that’s exactly what the PD-M9100 delivers. Increased drivetrain efficiency, an intuitive and seamless interface, and predictable steering and traction control are the benchmarks of the M9100 series pedals. The M9100 are the weapon of choice for WC racers worldwide. BETTER MUD CLEARANCE - Cylindrical contact area sheds mud even better for consistent stepping-in & out performance and rider confidence. ADDED EFFICIENCY + DURABILITY - Increased axle strength for long service life. M9100 comes in two axle lengths – 52 mm and 55 mm crank to pedal center. BETTER MUD CLEARANCE - Wider edge-to-edge contact area provides solid shoe-to-pedal interface, transmits power more efficiently for faster and more consistent acceleration, and better bike control.

Shimano Ultegra R8000 pedals. - Pro-level performance and lightweight for the enthusiast - The legacy of Shimano design, quality and performance - Carbon-composite body - Extra-wide platform for a more efficient transfer of power - Adjustable entry and release tension settings - 4mm longer axle available - Low stack height - 0.7mm lower than PD-6800 - Model Number: PD-R8000 - Series: Ultegra - Pedal System: SPD-SL - Average Weight: 248 grams

Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action. - Small, sleek and lightweight front derailleur - Frontal area is smaller than previous designs to reduce aerodynamic drag - Top gear teeth capacity: 50-54t - 61-66 degree chainstay angle - Includes 1 SD300 port

The RD-M9100 XTR rear derailleur is intended for use with 1x drivetrains. It is compatible with both 11- and 12-speed cassettes. - Decreased rear derailleur tension at low gear position, to prevent high chain tension - Added bumper at rear derailleur pulley cage - Bigger 13T pulley - Direct mount compatible - Compatible cassette size: 10-51 (12-speed), 10-45 (11-speed) - Total capacity: 35t (GS Medium Cage) / 41t (SGS Long Cage)

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. - Optimal balance of stiffness, strength, weight and rotational performance - Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting - 148mm Q-factor - 44.5mm chainline

Shimano Dura-Ace 9000 11-Speed Chainrings. - Chainring BCD: 110 Shimano Asymmetric - Color: Silver/Black - Defined Color: Silver - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

Shimano Ultegra ST-R8150 levers combine the accuracy of Shimano 12-speed Di2 shifting with the light weight of rim brakes. - Quick and intuitive shifting - Clearly defined click feeling with ergonomic shifting lever - Better bike control and confidence in race conditions - Hood shape and texture optimize grip and brake power transmission

Serfas' Women's RX saddle is your prescription for riding in comfort. It boasts a cutaway top that minimizes pressure, dual-density padding for cushioning, and a protective layer of friction-fighting Reactive Gel. What's more, the Twin Bar design allows each side to flex independently for even more comfort. • Twin Bar Design • Rail: Steel • Size: 267mm x 171mm • Weight: 485 Grams • Cover: Vinyl • Cover: Waterproof, Breathable, Anti-Microbial Microfiber

With Serfas' Women’s Reactive Gel saddle, the only pain you'll feel is the sorrow of having to end your ride. Its unique gel padding molds to fit your anatomy for a perfect fit and the groove in the top eliminates pressure on sensitive areas. Plus, the reflective rear tabs increase your visibility so others know you're on the road too. • Progressive Foam technology • Deep Groove Design • Reflective Rear Tabs • Rails: Steel • Size: 260mm x 178mm • Weight: 555 Grams • Cover: Lycra

The Men’s Reactive Gel is like having your very own custom saddle. The gel padding molds to your anatomy for a perfect fit and the groove in the top eliminates pressure on sensitive areas. Plus, the rear bumper protects this sweet saddle from the occasional mishap. • Deep Groove design • Progressive Foam technology • Sturdy Nylon rear bumper • Rails: Steel • Size: 267mm x 165mm • Weight: 555 Grams • Cover: Lycra

If you're looking for a saddle to ride all day on, Serfas' Women's E-Gel Reactive fits the bill. It offers Serfas' Reactive Gel technology, with a Serfas' women's-specific Anatomic Groove Design for a super ride. Plus, the Soflex cover adds to the seamless cushiness to keep you smiling mile after mile. • Rails: Steel • Size: 260mm x 178mm • Weight: 625 grams • Cover: Soflex

Serfas delivers superior comfort for those long days on the bike with their Dual Density saddle. The base absorbs shock while the top layer uses Silk-Tech Lycra to conform to your shape giving you frictionless comfort. The anatomic dip relieves pressure from sensitive areas, too. • Rails: Steel • Size: 279mm x 171mm • Weight: 565 Grams • Cover: Silk-Tech Lycra

Serfas' RX saddle is your prescription for riding in comfort. It boasts a cutaway top that minimizes pressure, dual-density padding for cushioning, and a protective layer of friction-fighting Reactive Gel. What's more, the Twin Bar design allows each side to flex independently for even more comfort while the four-way stretch Lycra top increases the saddle's longevity. • Twin Bar Design • Rails: Steel • Size: 267mm x 171mm • Weight: 485 Grams • Cover: Silk-Tech Lycra

Serfas' RX saddle is your prescription for riding in comfort. It boasts a cutaway top that minimizes pressure, dual-density padding for cushioning, and a protective layer of friction-fighting Reactive Gel. What's more, the Twin Bar design allows each side to flex independently for even more comfort. • Twin Bar Design • Rail: Steel • Size: 267mm x 171mm • Weight: 485 Grams • Cover: Vinyl • Cover: Waterproof, Breathable, Anti-Microbial Microfiber

Serfas' Performance RX saddle is your prescription for riding with comfort. It boasts a cutaway top that minimizes pressure, dual-density padding for cushioning, and a protective layer of friction-fighting Reactive Gel. What's more, the split design allows the two sides of the seat to flex independently for even more comfort. • Narrow Design for Endurance • Twin Bar Design • Rails: Chromoly • Size: 264mm x 158mm • Weight: 430 Grams • Cover: Waterproof, Breathable, Anti-Microbial Microfiber

SRAM's road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped for precision shifting, too.

- Brake casing has internal lining and external plastic coating - Length: 30m

- Brake casing has internal lining and external plastic coating - Derailleur casing is compressionless with internal lining and external plastic coating

These are the correct connecting links for SRAM's PowerLink 8-speed chains. They are great for installing new chains and fixing chains on the road and trail, too.

These are the correct connecting links for SRAM's 10-speed chains. They are great for installing new chains and fixing chains on the road and trail, too. They come in packs of four.

These are the correct connecting links for SRAM's 12-speed Eagle chains. They are great for installing new chains and fixing chains on the road and trail, too. They come in a four pack, for use with four chains.

- From a long line of tough, light-weight chain engineering from SRAM - Chain connector type: PowerLock - For Use with SRAM 12-Speed Road Chains Only - No tools necessary to install - Chain connector qty/packaging: 4

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a 2:1 Shimano rear derailleur.