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Trek Bike Parts

We have the Trek bike parts for sale that you're shopping for today. Grab yourself some sweet new Trek accessories or replacement parts and get free shipping and easy returns on orders over $50.00.

Looking for more great add-ons for your Trek? Check out our Bontrager accessories!

In the market for a new bike? Head on over to our Trek bikes page.

Trek 1120 Rear Bikepacking Harness System
Keep the adventure rolling on your Trek 1120 with a fresh new rear harness ...
Trek 1120 Rear Rack
Original replacement rack for Trek 1120. Product details - Color matche...
Trek Believe T-Shirt
Believe in bikes It's not a slogan, it's a state of mind. We believe bik...
Trek Bike T-shirt
For when the dress code is lycra-inappropriate As much as we might hate ...
Trek CycleOps Fluid2
A standard issue CycleOps Fluid2 trainer, made for Trek, helps keep the whe...
Trek Cyclocross Hydration T-shirt
Best worn during a good time Unveiled at 2017's inaugural World Cup Wate...
Trek Cyclocross Hydration Women's T-shirt
Best worn during a good time Unveiled at 2017's inaugural World Cup Wate...
Trek Domane T-Shirt
The Lion of Flanders has long been a symbol of those who dare greatly. Hono...
Trek Holiday Sweater
Ugly sweaters are so five years ago. A light, super-soft, unisex sweater...
Trek Polka Dot Women's T-Shirt
Let the good times flow When riders talk about a trail, a bike, or a lif...
Trek Polka Dot Women's Tank
When riders talk about a trail, a bike, or a lifestyle, "flow" is always a ...
Trek Trek Segafredo Stainless Steel Pint Glass
Show your team pride while enjoying a refreshing and tasty beverage with th...
Trek Trek-Segafredo Water Bottle
Hydrate like the best Stay hydrated on every ride with the leak-free des...
Trek UCI World Cup Waterloo T-Shirt
World Cup level wear Celebrate America's newest cyclocross race, World C...
Trek USA Sweatshirt
Cozy cool weather companion Our softest sweatshirt ever is a perfect cas...
Trek United States of Cross T-shirt
With barriers and french fries for all Unveiled at 2017's inaugural Worl...
Trek United States of Cross Women's T-shirt
With barriers and french fries for all Unveiled at 2017's inaugural Worl...
Trek Water Bottle Bontrager Logo
Key features - All new cap and bottle design for great feel and consi...
Trek Water Bottle Santa Cruz
Key features: - All new cap and bottle design for great feel and consist...
Trek Water Bottle Trek Logo
Key features - All new cap and bottle design for great feel and consi...
Trek Water Bottle Trek USA
Key features: - All new cap and bottle design for great feel and consist...
Trek Water Bottle Trek-Segafredo
Stay hydrated on every ride with the leak-free design of the Waterloo Water...
Trek Waterloo Women's T-shirt
Let the good times flow When riders talk about a trail, a bike, or a lif...
Trek Speed Concept Seatpost Reflector/Flare Mount
$2.99
Key features - Reflector mount for first and second generation Speed Con...
Trek Kids Tassels
$4.99
Key features: - Replacement Trek Tassels compatible with all 113mm (4.5"...
Trek Kids Tassels
$4.99
Key features: - Replacement Trek Tassels compatible with all 113mm (4.5"...
Trek Holiday Blend Coffee
$6.99 $10.99 36% Savings
Have a cup of cheer A smooth medium roasted coffee, the Trek Holiday Ble...
Trek Kids' MTB Grips
$6.99
Make sure your kid has a good grip out on the trail with Trek's Kids' MTB G...
Trek Kids' Single Speed Grip Set
$7.99
Grips are a key point of contact between you and your bike. Comfortable gri...
Trek Kids' Twist Shift Grip Set
$7.99
Grips are a key point of contact between you and your bike. Comfortable gri...
Trek Voda
$8.99 - $9.99
The Voda Water Bottle gives you clean, consistent, at-the-ready hydration o...
Trek Voda 15
$8.99
The Voda 15 Water Bottle is clean, consistent, at-the-ready hydration for a...
Trek Voda Flow
$11.99 - $13.99
Voda Flow is a premium water bottle with great in-hand feel and a Flow Top ...
Trek Happy Bike Trucker Hat
$14.99 $19.99 25% Savings
The Trek Happy Bike Trucker Hat is a classic five-panel trucker cap with a ...
Trek International Disc Brake Mount
$14.99
Add a rear disc brake to your 2001 and later Trek, Klein or Gary Fisher bic...
Trek Trek Race Quarter Cycling Sock
$15.99
A performance bike sock with a traditional 2.5" length and soft compressive...
Trek MTB/Tandem 2003 Rear Derailleur Hanger
$17.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek Madone Gen2 Rear Derailleur Hanger
$17.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Madone Gen3 Rear Derailleur Hanger
$17.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Sawyer Derailleur Hanger
$17.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek Trek Race Crew Cycling Sock
$17.99
A performance bike sock with a taller 5" length and soft compressive yarn m...
Trek Kids' MT Series Rear Derailleur Hanger
$18.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek Voda Ice
$18.99 - $23.99
The only thing better than fresh water on a long, hot ride is cold fresh wa...
Trek ABP Classic Derailleur Hanger
$19.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek ABP Convert 135mm Quick Release Derailleur Hanger
$19.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek ABP Convert Derailleur Hanger
$19.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek ABP Race Derailleur Hanger
$19.99
Get back on the trail with a quality replacement hanger. - Original equi...
Trek Bee Youth T-Shirt
$19.99
Ready for anything from Point A to Point B(ee) The Trek Bee Youth T-Shirt ...
Trek Circle Beanie
$19.99
Refined style When it's time to step off your bike, pull on the soft and...
Trek Go By Bike Script Women's T-Shirt
$19.99 $24.99 20% Savings
Go by bike! Encourage others to get out and help make the world a better p...
Trek Go By Bike T-Shirt
$19.99 $24.99 20% Savings
Go by bike! Encourage others to get out and help make the world a better p...
Trek Hardtail Convert Rear Derailleur Hanger
$19.99
Get back on the trail with a quality replacement hanger. - Attachment ha...
Trek MTB/Hybrid Derailleur Hanger
$19.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Patch Trucker Hat
$19.99
Complete your casual kit You're still a cyclist when you're off the bike. ...
Trek Road Derailleur Hangers
$19.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Super Commuter+/Diamant Zouma+ Derailleur Hanger
$19.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Top Fuel 29 2x Low Direct Mount Front Derailleur Nut
$19.99
Get back on the road with a quality replacement hanger. - Attachment har...
Trek Trek Madone SLR Blendr Duo Base Kit with Hardware
$19.99
Allows use of two Blendr mounts on a Trek Madone SLR. Genuine replacemen...
Trek Trek Race Reflective Crew Cycling Sock
$19.99
A performance bike sock with a taller 5" length and soft compressive yarn m...
Trek Wool Cap
$19.99 $24.99 20% Savings
Warm up with wool The Wool Cap is always in style, whether you wear it p...