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Parts

$84.99
The R4 clincher's race performance gives unparalleled road feel yet is extremely durable for a racing clincher, thanks to Hard-Case Lite protection. The Hard-Case Lite sub tread material protects against punctures in the peloton and up the hardest and sketchiest road climbs. - Lightweight, 320TPI, hand-built clincher - Excellent for road and criterium racing - Super supple polyamide synthetic fiber reinforcement for added casing strength - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material - Clincher tire made using the same handmade process as tubulars to maintain suppleness and ride quality
$7.99
Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube is for use on rims with an ISO diameter of 451 millimeters.
$30.00 - $36.99
Dimension 25.4 Stem is a fully forged 6061-T6 aluminum stem with 4-bolt handlebar clamp. - 2-D forged AL-6061-T6 - Four-bolt handlebar clamp - 41mm height - Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes - Weight: 130g-180g
$4.99
Bontrager's latest TLR sealant seals faster, lasts longer, and provides better air retention so you have a better tubeless experience with easier setup. The ammonia-free formula won't corrode rims or degrade tire rubber, and it provides permanent repair for punctures up to 6.5mm. Product details - Improved flat protection seals punctures faster - Increased air retention holds air longer with 3x less air loss than the original - Compatible with all TLR tires for use on road, gravel, and mountain bikes - Ammonia-free mixture won't corrode alloy rims or degrade tires - Effective in temperatures ranging from -5 to 120 degrees F (-21 to 49 degrees C) - Cool new blue color - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together - Can be used in tubes to help seal punctures
$6.00 - $15.00
Our Seatpost Adapters quite literally fill the gap, and with over 25 sizes available, the combinations are endless. These Seatpost Adapters are compatible with static, suspension and dropper Seatposts.
$69.99
For the roads less traveled The GR1 Team Issue gravel tire is designed for fast rolling performance and consistent traction on the roads less paved. It has proven success at the most demanding gravel races and features Inner Strength Casing for lightweight puncture protection while maintaining a smooth, supple, fast feel. Plus, you can go tubeless for better performance and even more puncture protection. - A gravel tire that excels in fast and firm conditions - Fast-rolling and predictable cornering with consistent traction - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance
$159.99
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
$44.99
Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks
$8.99 - $14.99
The industry standard comes in all sizes. Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value 27-inch tire size equivalents - 700cx 23 – 25 also fits 27 x 7/8 – 1 - 700c x 28 – 32 also fits 27 x 1-1/8 – 1-1/4 - 700c x 35 – 44 also fits 27 x 1-3/8 – 1-3/4
$5.99 - $19.99
- 0.9mm wall thickness - Removable valve core - 700c x 18 – 25 = 27 x 1 - 700c x 28 – 35 = 27 x 1-1/8, 1-1/4
$69.99
Let the good times roll The all-new R3 Hard-Case Lite TLR gets you rolling faster with added traction, and a longer-lasting tread. The updated Hard-Case Lite puncture protection and Tubeless Ready design combine with a lightly-treaded design to offer a faster rolling road racing tire that maximizes confidence through every corner. Product details - Designed for speed, traction, and durability while racing and road riding - Proprietary TR-Speed compound provides confident, fast-rolling performance - Hard-Case Lite with improved Nylon105 beaker belt provides lightweight puncture protection, great ride feel, and extra durability - Tubeless Ready (TLR) design allows for easy tubeless setup and added puncture protection - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together
$14.99 - $19.99
- Forged steel - 24 TPI
$6.99 - $9.99
Compatible with cantilever brakes, Jagwire's Mountain Sport Brake Pads boast Jagwire's tried-and-true all-weather compound for excellent speed control, stopping power and durability.
$55.99
Shimano's Tiagra Rear Derailleur GS (10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: RD-4700-GS - Series: Tiagra - Cassette Compatibility: 10 - Maximum Sprocket: low sprocket: 34T / top sprocket: 12T (front double) / 20T low sprocket: 32T / top sprocket: 12T (front triple) - Minimum Sprocket: low sprocket: 28T / top sprocket: 11T (front double) / 20T low sprocket: 25T / top sprocket: 11T (front triple) - Maximum Front Difference: 16T (front double) / 20T (front triple) - Total Capacity: 39T (front double) / 41T (front triple)
$10.00 - $12.00
- Missing links to make chain installation, maintenance and reparation easier - Card of 2
$44.99 - $140.00
KMC X12 chains feature a double X bridge shape for fast and smooth shifting. - Compatible with SRAM 12-speed systems - Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting - Mushroom riveted pins for the highest pin power and allows shifting under heavy loads - 1/2 x 11/128 - 126 Links
$29.99
Sunlite's Adjustable Quill Stem puts your bars right where you want them. This wonderfully easy-to-use stem adjusts from 0 to +50 degrees—more than enough to help you find your ideal position. And, the 2-bolt clamp holds securely holds your bars.
$24.99 - $29.99
Heavy duty steel construction with a retro curved design.
$54.99
The H5 hybrid tire is perfect for anything from gravel to a smooth path, or even a dirt shortcut across town. Sidewall knobs on the water-shedding tread handle dirt while still offering smooth rolling efficiency. Hard-Case Ultimate puncture protection keeps you rolling through anything in your path while the reflective sidewalls keep you visible. - Excels on pavement and gravel paths - Sub-tread co-extrusion provides maximum puncture protection - Anti-cut, bead-to-bead casing resists cuts from glass and sharp objects - Anti-pinch sidewall support prevents pinch flats - Aramid breaker belt protects against tread punctures - Reflective sidewall strips for added visibility - 60 TPI - Wire bead - Clincher
$15.75 - $27.30
- T100 Sintered Metallic: long-life, all-condition compound - T106 Semi Metallic: no-bed, shorter-life, quieter compound - Set includes one pair of pads with retention clip
$15.00 - $15.99
- AL6061-T6 alloy quick-release seatpost clamp - Stainless steel bushing ensures smooth lever action - Adjustment knob allows for on-the-fly fine-tuning - Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts - 28.6mm for 25.4mm seatpost and steel frame - 29.8mm for 27.2mm seatpost and chromoly frame - 31.8mm for 27.2mm seatpost and aluminum frame - 34.9mm for 30.9mm seatpost and aluminum frame, or 31.6mm seatpost and carbon frame - 16mm height
$22.79 - $24.99
Origin-8's Quill Adapter allows you to use modern threadless stems on bicycles with threaded forks that take quill stems (stems with bolts in the center). The Quill Adapter is made of light and durable 7075 aluminum and features a chromoly bolt.
$21.99
S1 Rustbuster is a basic, affordable replacement 1/8" chain. - For non-derailleur bikes: BMX, cruisers, etc. - Rustbuster rust-proof finish, suitable for beach environments and winter commuting - Includes KMC Master Link - Links (links): 112 - Color: Silver - Width: 9.3 mm - Drivetrain Speeds: Single Speed 1/2 x 1/8-inch - Chain Connection Type: Reusable Master Link - Half Link Chain: No
$95.99 - $99.99
Upgrade or refresh your bike. - Original Equipment replacement Bontrager TLR wheels - Bontrager Approved double wall, non-eyeletted rims - Convert to tubeless with TLR rim strip and valve, sold separately - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed
$60.00
The Serfas STX Inertia Folding road tire is constructed using their Alchemy Compound for lower rolling resistance and world-class grip. Independent testing conducted at Wheel Energy of Finland provided data showing Serfas STX Inertia tires as performing 8.12% better on cornering than the best selling road bike tire on the market. - FPS (Flat Protection System) - Dual Density Tread - Smooth Tread Pattern For Ultimate Performance - 120 TPI 3 Layer Construction - Max Pressure: 130psi
$12.99
- Low profile, timeless small ribbed spiral grips - Soft rubber compound with closed ends - Length: 125mm
$4.99 - $24.99
Vittoria's Mastik'One is a professional-grade tubular cement that has been trusted by the pros for decades. It provides excellent hold on both aluminum and carbon rims, and gives you the piece of mind that comes with knowing you're riding on the best. - Choose from 250-gram tin or 30-gram 12-pack - 30 grams is enough for one to two tires depending on surface area
$10.00 - $11.99
- BMX-style grip with medium flange - Slip-on design for tool-free installation - Classic, collapsible rib construction for excellent grip - Soft Kraton rubber construction for comfort and durability - Matching end plugs included - 130mm
$12.00 - $24.99
- Chromoly construction - Classic BMX Lay-back design - Material: Cro-Mo
$10.00
- Easy-install, slip-on grips - Dual Density Kraton rubber with gel - Ergonomic profile - 125mm