Parts

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

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

- High-performance gear combinations provide superior rider choice - Hub body to fit a variety of bikes from MTB to road - Model Number: CS-HG800-11 - Series: Shimano - Average Weight: 335 grams

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

Shimano Ultegra R8070 flat mount hydraulic disc brake caliper. - Model Number: BR-R8070 - Brake Type: Hydraulic disc brake - Average Weight: 280 g/pair - Greater rider control in all conditions - Hydraulic disc brake provides the next stage of control - Sleek integration into a road bike's aero profile - Designed to integrate seamlessly with a road bike's profile - Flat mount hydraulic type - Better heat dispersion than current road disc systems (SM-RT800) - New construction provides better heat management than current ICE TECHNOLOGIES FREEZA

CN-HG701-11 Super Narrow HG-X11 Chain (11-speed) FEATURE - Directional 11-speed chain - More efficient and silent, less maintenance - MTB, Road, E-BIKE 11-speed compatible - Reinforced chain for E-BIKE use BENEFIT - Smooth and reliable shifting performance - Weight: 257g (116 Links)

- 10-speed compatible - Shimano XT - 116 links

- 9-speed compatible - XT/Ultegra - 116 links

Super Narrow SIL-TEC HG-X11 Chain (11-speed) FEATURE - Rear drive Smooth driving without noise - Front drive Preserve chain security at cross chainline - Front & Rear Shift Smooth and reliable shifting BENEFIT - HG-X11 special asymmetric plate design for 11-speed - Weight: 247g (114Link) - SIL-TEC on Plate/Roller - Hollow pin - Weight: 247g (114Link)

The World's Most Technologically Advanced Saddle Pad. Lifetime Weatherproof Guarantee. - Great Waterproof Cover - Figure-8 Drawstring For A Secure Fit - Friction-Free Gel - Cover Material: Weatherproof - Length: 247mm - Width: 182mm - Weight: 196g

Serfas' Women's Carma is the perfect upgrade for your road or mountain bike. It boasts a waterproof microfiber top for protection and comfort. Serfas' dual density padding damps vibrations so you float over rough roads and a women's cutout eliminates pressure for an enjoyable ride. The Carma also features featherweight hollow-titanium rails. • Women’s Specific Design • Road and MTB Saddle with See-Thru Base • Dual Density Base for Shock Absorption • Anatomic Center Groove • Rails: Titanium • Size: 241mm x 146mm • Weight: 290 Grams • Cover: Microfiber

Quick Overview Replacement/Spare Part – Oversize Saddle Rail Clamp For Saddles With Oversize Rails: - Serfas® EX-RX, EX-RXL - Serfas® BMX-100, CRS-1 - Fits 8mm Rail Thickness - Sold In Dealer Packaging

Serfas' Cruiser RX combines Serfas' Dual-Density padding with shock-absorbing springs for a supple and gentle ride. Plus, the elevated seat position and anatomical groove down the center eliminate pressure so you can enjoy cruising around for miles and miles. What's more, the split design allows the two sides of the seat to flex independently to reduce friction and irritation. • Twin Bar Design • Rails: Steel • Size: 273mm x 216mm • Weight: 825 Grams • Cover: Silk-Tech Lycra

Sit back and relax in style with Serfas' Cruiser Reactive Gel Saddle. Its wide base and springs keep you feeling good no matter how long your rides are. You'll also love the grooved top that eliminates pressure to sensitive areas and the gel inside that conforms to your body for a custom fit. • Rear spring suspension • Deep Groove design • Progressive Foam design • Rails: Steel • Size: 267mm x 241mm • Weight: 850 Grams • Cover: Lycra

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

With Serfas' high-tech base technology and Infinite Comfort System, the Men’s Dual-Density feels as comfortable as your living-room recliner. The anatomic channel relieves pressure from sensitive areas and the gel padding and shock-absorbing rubber inserts smooth every ride. Plus, the side and nose bumpers protect this saddle from the occasional mishap. • Cutout Base for Soft Tissue Relief • Rails: Steel • Size: 279mm x 171mm • Weight: 565 Grams • Cover: Silk-Tech Lycra

Let the comfort begin! The E-Gel Cruiser is an awesome seat thanks to Serfas' E-Gel technology that provides a plush ride. It features an elastomer suspension system which smooths out the bumps in the road. Plus, an anatomical cutout which relieves pressure on sensitive areas making every ride a fun ride. • Rails: Steel • Size: 279mm x 216mm • Weight: 885 Grams • Cover: Soflex

If you're looking for a saddle with plush comfort and a narrow profile, Serfas' E-Gel Hybrid Elastomer saddle fits the bill. It offers Serfas' cushy E-Gel Technology, a deep-groove design, and elastomer springs for a super cushy ride. Plus, the sporty style and amazing comfort keep you smiling mile after mile. • Rails: Steel • Size: 279mm x 171mm • Weight: 635 Grams • Cover: Soflex

If you're looking for a plush, comfortable saddle with a narrow profile and superior pressure relief, Serfas' E-Gel Hybrid fits the bill. It offers Serfas' cushy E-Gel Technology, a deep-groove design, and elastomer springs for a super cushy ride. Plus, the sporty style and amazing comfort keep you smiling mile after mile. • Rails: Steel • Size: 279mm x 171mm • Weight: 635 Grams • Cover: Soflex

For those long days on the bike, you need superior comfort. Serfas delivers with the E-Gel saddle. The Dual-Density base absorbs shock, the reactive gel conforms to your shape, and the anatomic dip and women's-specific design relieves pressure from sensitive areas. Plus, Serfas' Soflex cover creates a seamless, friction-free ride for serious comfort on every ride. • Rails: Steel • Size: 254mm x 178mm • Weight: 585 Grams • Cover: Soflex

If you rack up the miles pedaling in place, you better be on a good seat. Serfas specifically designed the Exerciser RX saddle for outstanding comfort with their exclusive RX technology, which features a full-length anatomical groove and an elevated seat position to eliminate pressure. Plus, you’ll love its cushy Dual-Density padding. What's more, the split design allows the two sides of the seat to flex independently for even more comfort. • Designed for stationary bicycles (exercise bicycles) • Twin Bar Design • Rails: Steel • Size: 330mm x 318mm • Weight: 1340 Grams • Cover: Silk-Tech Lycra

End your seat discomfort by installing a Serfas Gel Saddle Pad. Thanks to super-plush gel, this sweet cover provides a level of comfort you have to feel to believe. Plus, it features easy drawstring installation, which means you can quickly move it between bikes if you ride more than one. There's no easier way to upgrade your bike and ride more comfortably. • Deep Groove for Increased Blood Flow • Gel For Increased Friction Protection • Easy Drawstring Installation

Serfas' Hybrid City Bike saddle makes cruising through town on your upright-riding bike comfortable and easy. The dual density base ensures your sit bones never hit a hard spot. On the rear, a handle doubles as a convenient place to store your cable lock while riding. Plus, it boasts durable steel rails and a waterproof vinyl cover that will extend the saddle's life. • Dual Density Base • Rails: Steel • Size: 265mm x 192mm • Weight: 485 Grams • Cover: Waterproof Vinyl

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' 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 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

The RX Race Ready saddle has all the performance benefits of Serfas' RX design but brings them to you in a sleek and nimble package. It boasts a dual density base for cushioned support and is split into halves that flex to reduce friction and increase comfort. Plus, a lightweight foam offers padding for your sit bones and a soft Lorica cover is waterproof to increase the longevity of this sweet saddle. • Ultra Light Foam • Twin Bar Design • Rails: Chromoly • Size: 270mm x 158mm • Weight: 320 Grams • Cover: Soft Feel Lorica

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

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

- EVA foam backed for extreme comfort - Adhesive backing for easy installation - Shock absorbent - Length: 2000mm

TRK GEL is the ideal choice for anyone who wants maximum cycling comfort. The self-molding gel padding is perfectly adaptable for use on any surface. The patented SMP saddle features, such as the completely free central channel, the original eagle's beak front nose and the raised rear section, all endow this model with extreme comfort that's further enhanced by the gel insert. - Recommended use: City Bike, Touring, Trekking - Padding level: High - Padding material: Soft polyurethane + GEL - Cover: SVT - Body: Co-polymer polypropylene - Standard frame: Steel - Dimensions: 280 x 160 mm (medium), 272 x 177 mm (large) - Weight: 485 g (medium), 500 g (large)