Shimano's Ultegra Compact Crankset boasts hollow-forged-aluminum arms and a hollow aluminum big ring. These technologies combine for impressive weight savings and superb strength. An integrated bottom bracket axle provides super-efficient power transfer, while chainrings with ramps, pins and notched teeth deliver lightning-quick shifting.

- Engineering-grade thermoplastic construction - SPD-SL compatible interface - Cleat Type: SPD-SL

SRAM's PG-1030 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette is available in four configurations perfect for riding off road, including one with a 36-tooth largest cog for super-easy climbing.

Get back on the road with a quality replacement hanger. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications: - Size: Rear drive side, 135mm Q/R - Mounting location: Rear drive side - Attachment: 2-bolt

With Serfas' Full-Suspension Hybrid Reactive Gel saddle, you'll enjoy the simple pleasures of riding. Its spring suspension keeps you feeling great wherever you pedal. And the gel inside conforms to your body for a custom fit. You'll also love the grooved top that eliminates pressure for unbeatable comfort. • Rear spring suspension • Full suspension base • Deep Groove design • Progressive Foam technology • Rails: Steel • Size: 273mm x 184mm • Weight: 885 Grams • Cover: Lycra

Don't be left hanging. - Universal Derailleur Hanger - or UDH - offers greater derailleur protection - Designed to rotate rearward in event of an impact - Works with all drivetrains - 30mm washer provides full coverage over ABP bearing seals - Included attachment hardware is reverse threaded

Get back on the road with a quality replacement hanger. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications: - Size: Rear drive side, 135mm Q/R - Mounting location: Rear drive side - Attachment: 2-bolt

A fitness saddle that combines a full cut-out with air foam and a dual density shell for comfort and support on every ride. The Commuter Comp saddle offers the comfort of a full cutout saddle with the support of a saddle designed specifically for commuters and fitness riders. A durable, weather-resistant cover material protects the dual density shell and air foam construction of the saddle for long-lasting comfort wherever you ride. Plus, a simple integrated Blendr mount makes it easy to add a Bontrager Flare rear light. - Fitness Posture 4 features an upright pelvic rotation to go farther, faster - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Dual-density shell and air foam construction is soft yet supportive - Tough, weather-resistant cover repels water - Blendr attachment allows for integrated rear light mounting

Trek-compatible seat mast cap Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately. Key features: - Ultra-light carbon construction - One bolt head design offers easy fore-aft and infinite angle adjustment - Compatible with all Trek road bikes with round seat masts - 175mm and 135mm lengths - 5mm and 20mm offsets - Aluminum clamp

Bontrager's Gel Cork Handlebar Tape gives you a confident, comfortable grip on your handlebars. There's an inner gel strip that cuts down on vibrations and road chatter for serious long-ride comfort. The natural cork feels good with or without gloves too. It comes in a wonderful amount of colors so you can customize your ride and includes a set of Bontrager reflective bar end plugs and finishing strips.

- Economy level forged alloy seat post clamps for BMX and cruiser bikes with 1" / 25.4mm seat posts - Clamp Size: 25.4mm - Material: Alloy

Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down.

- Horizontal square interface - Only includes left crank

Connectors feature Serfas' great dual-density design for excellent comfort. The hard inners offer a firm base and the soft outers provide a tacky and comfortable feel. And Connectors are easy to install and super secure, too.

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a SRAM or Shimano front derailleur. These shifters are indexed to shift a front derailleur over three chainrings.

• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes

• Replacement for one-piece crank • Steel

• Forged aluminum • Integrated micro-adjust seat clamp

- Oversize 10mm - Fits new style MTB & BMX levers - Aluminum construction

- One-piece resin body - Juvenile size platform - Boron spindle - 390g pair

- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact

Shimano's Claris rear derailleur is a perfect replacement part or upgrade for 8-speed road drivetrains. HyperGlide technology results in smoother, faster shifting. - Maximum cog size: 32t (SS) / 34t (GS) - Total capacity: 37t (SS) / 43t (GS) - Pulleys: 11t - Chain compatibility: HG 8-speed

- High angle stems designed specifically for use with Monstercross or Gravel bikes equipped with off-road drop bars - Available in +25° and +40° versions and lengths from 60 to 130mm - 3D forged 6061 aluminum construction - Fork Dia: 1-1/8" - Bar Clamp: 31.8 - Color: Blk - Material: AL6061

- Cables Are Pre-Stretched & Polished Smooth To A 1.5mm Diameter Finish - Available In Both Stainless & Galvanized Steel - Comes With 1350mm & 2350mm Cable Lengths For Both Front & Rear Brakes - 3000mm Of Black 5mm Cable Housing - 3 Sets Of Donuts - 6 Black CNC Alloy Ferrules - Cable Hooks - 2 Anodized Silver Alloy End Caps

- All-road race-inspired dual-sided clipless pedal - Lightweight yet durable carbon fiber/nylon composite platform for added stability - CNC-machined chromoly spindle - 3 LSL sleeve bushings - Shimano SPD style cleat with 6° float - Fully adjustable tension - Platform size: 86mm x 78mm - 295g per pair - Size: 9/16" - Cleat Type: SPD - Material: Carbon/Nylon

SRAM's 1071 chain is lightweight, smooth, and precise-shifting. It features the PowerLock connecting link and HollowPin construction for weight savings with no sacrifice of strength. - SRAM Road 10-speed compatible - HollowPin construction for weight savings with no sacrifice of strength - Features the PowerLock connecting link

Looking to shave some weight off of your front end? Slide on Bontrager's RXL grips and you'll get a comfortable grip made from lightweight EVA foam. That was easy.

Performance and comfort brilliantly come together in Bontrager's Paradigm RL saddle. Superior cushioning on top of a carbon fiber-reinforced shell with hollow titanium rails make this sleek, minimalist saddle stylish and comfortable. To dial in the fit, Bontrager built the Paradigm in 3 different widths with size specific curvature that provides a custom fit for your sit bones. With ergonomic features like multi-density foam and a Contour Relief Zone that relives pressure on sensitive areas, you can focus on going flat out fast.

Compared to the power transfer of the conventional square taper spindle, the 8-splined OCTALINK interface that connects the bottom bracket and crankset increases the strength and rigidity for the entire assembly.

- Complete cable kits for internal three-speed hubs