Trek

Trek is one of the world's most iconic bicycle brands — an American manufacturer founded in Waterloo, Wisconsin in 1976, producing road, mountain, hybrid, and e-bikes for cyclists at every level from beginner to professional. Trek bikes are ridden by Tour de France winners, World Cup mountain bike racers, and...

Trek is one of the world's most iconic bicycle brands — an American manufacturer founded in Waterloo, Wisconsin in 1976, producing road, mountain, hybrid, and e-bikes for cyclists at every level from beginner to professional. Trek bikes are ridden by Tour de France winners, World Cup mountain bike racers, and millions of everyday cyclists worldwide, with a product range that spans entry-level trail bikes to flagship carbon race machines. At Swinnerton Cycles, we stock Trek bikes, frame parts, and accessories for cyclists looking for one of the world's most trusted and recognised bicycle brands.

Our Trek range includes the Marlin 4 Gen 3 mountain bike — Trek's entry-level hardtail MTB designed for trail riding with a durable, adaptive frame — alongside genuine Trek frame parts and accessories including full suspension rocker pivot bolts and water bottle nutsert plugs for maintaining and repairing Trek bikes.

Why Choose Trek?

  • American bicycle brand founded in Waterloo, Wisconsin in 1976
  • Ridden by Tour de France winners and World Cup mountain bike racers worldwide
  • Marlin 4 Gen 3 entry-level hardtail MTB with durable, adaptive frame for trail riding
  • Genuine Trek frame parts including M10x1mm full suspension rocker pivot bolts
  • Water bottle nutsert plug M4 x 13mm for secure bottle cage mounting on Trek frames
  • One of the world's most trusted and recognised bicycle brands across all disciplines

Top Selling Trek Products

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  • Trek matte carbon seat mast cap with 7mm round clamp ears, Onyx carbon finish, 175x20mm component for bike seat postsTrek matte carbon seat mast cap with 7mm round clamp ears, Onyx carbon finish, 175x20mm component for bike seat posts

    Trek Matte Carbon Seat Mast Cap with 7mm Round Clamp Ears Onyx Carbon 175x20mm

    The Trek Colour-Matched Matte Carbon Seat Mast Cap & 7 mm Round Ears Onyx Carbon 175mm x 20mm is designed for riders seeking a seamless blend of style and function. Crafted from ultra-light carbon, this mast cap not only reduces weight but also complements...
    £144.89
    £179.99
    £144.89
    Save £35.10
  • Trek Bontrager rear freewheel hub axle kit in silver and black, 135mm old, for bike components and wheel assembly.Trek Bontrager rear freewheel hub axle kit in silver and black, 135mm old spacing, for bike components, shown in close-up.

    Bontrager Rear Freewheel Hub Axle Kit 135mm OLD FT/RR Silver Black Approved

    Upgrade your bike with the Bontrager Approved Loose Ball Rear Freewheel Hub Axle Kit. Designed for durability and smooth performance, this 135mm OLD FT/RR axle kit ensures reliable hub function and easy maintenance. Crafted by Trek, it fits perfectly within your wheel assembly, enhancing...
    £16.09
    £19.99
    £16.09
    Save £3.90
  • Black FSA 41mm IS headset upper cover for Trek bikes, protecting steering components and ensuring a secure fit.Black FSA 41mm IS headset upper cover for Trek bikes, providing steering protection and secure fit.

    FSA 41mm IS Headset Upper Cover Black – Bike Steering Protection & Fit

    Enhance your bike’s steering with the FSA 41mm IS Headset Upper Cover. This sleek black cover ensures a secure fit and protects your headset from dirt and damage, maintaining smooth handling on every ride. Designed for durability and easy installation, it’s an essential component...
    £8.85
    £10.99
    £8.85
    Save £2.14
  • Trek Kids' mountain bike handlebar grips, comfortable and durable MTB components, with textured rubber for a secure grip.Trek Kids' mountain bike handlebar grips, comfortable and durable components with textured rubber for secure grip and control.

    Trek Kids' MTB Grips for Mountain Bikes – Comfortable, Durable Handlebar Grips - Black

    Upgrade your child's mountain bike with Trek Kids' MTB Grips for superior comfort and control. These grips ensure a secure hold and enhance steering precision on every trail. What It’s Good For Providing a comfortable and secure grip for young riders Improving steering control...
    £7.23
    £8.99
    £7.23
    Save £1.76
    • Black
  • Trek FX 2 Gen 4 2025 Hybrid Bike Matte Trek Black Urban Commuter Fitness BikeTrek FX 2 Gen 4 2025 Hybrid Bike Matte Trek Black Urban Commuter Fitness Bike

    Trek FX 2 Gen 4 2025 Hybrid Bike Matte Trek Black Urban Commuter Fitness Bike

    The Trek FX 2 Gen 4 2025 Matte Trek Black S is a premium hybrid bike designed to elevate your cycling experience. Combining Trek’s renowned craftsmanship with a sleek matte black finish, this model offers a perfect balance of style and functionality. Its lightweight...
    £500.00
    £660.00
    £500.00
    Save £160.00
  • Trek Suspension Nut Insert M8X1.25 Thread 6.5mm Thickness Black Replacement PartTrek Suspension Nut Insert M8X1.25 Thread 6.5mm Thickness Black Replacement Part

    Trek Suspension Nut Insert M8X1.25 Thread 6.5mm Thickness Black Replacement Part

    Enhance the durability and performance of your Trek suspension system with the Trek Suspension Part Warranty Nut Insert M8X1.25 6.5 Thk Black. Designed specifically as a high-quality component for frame parts, this nut insert ensures a secure and reliable fit to maintain the integrity...
    £6.99
    £6.99
    £6.99
    Save £0.00
  • Trek Domane+ Rear Fender Mount Part – Mudguard Accessory for Trek BikesTrek Domane+ Rear Fender Mount Part – Mudguard Accessory for Trek Bikes

    Trek Domane+ Rear Fender Mount Part – Mudguard Accessory for Trek Bikes

    Enhance your Trek Domane+ with the Trek Fender Part Trek Domane+ Hp Mount Rear, a precision-engineered accessory designed to keep you riding clean and comfortable. This rear mudguard mount seamlessly integrates with your bike’s frame, providing reliable protection against mud, water, and debris. Crafted...
    £8.99
    £8.99
    £8.99
    Save £0.00
  • Trek Angle Adjust 1.0 & 2.0 black headset lower cup for 1-degree head tube adjustments on bicycle frames.Trek Angle Adjust 1.0 & 2.0 black headset lower cup for bike components, designed for all frames.

    Trek Angle Adjust 1.0 & 2.0 1-Degree Black Headset Lower Cup for All Frames - Black

    The Trek Angle Adjust 1.0 & 2.0 1-Degree Headset Lower Cup in black is designed to fit all frames, providing precise steering adjustment. This component enhances your bike’s handling by allowing fine-tuning of the headset angle for optimal performance. Durable and easy to install,...
    £24.14
    £29.99
    £24.14
    Save £5.85
    • Black
  • Trek Allant+ Diamant Zouma+ black battery spacer for 500Wh in 625Wh e-bike battery slots, component part.Trek Allant+ Diamant Zouma+ black battery spacer for 500Wh in 625Wh slots, bicycle component for e-bike battery fitting.

    Trek Allant+ Diamant Zouma+ Battery Spacer Black for 500Wh in 625Wh Slots

    Optimize your Trek Allant+ or Diamant Zouma+ with this sleek black battery spacer. Designed for a perfect fit, it bridges the space between your 625Wh and 500Wh battery slots seamlessly. Crafted from durable materials, this spacer ensures stability and protects your battery setup. Its...
    £12.06
    £14.99
    £12.06
    Save £2.93
  • Black Trek Domane+ SLR range extender cable guide for cable management on Trek bicycle components.Black Trek Domane+ SLR range extender cable guide for cable management on bike components.

    Trek Domane+ SLR Range Extender Cable Guide Black – Cable Management Accessory

    Optimize your Trek Domane+ SLR with this sleek Range Extender Cable Guide. Designed for seamless cable management, it keeps your bike tidy and efficient. Crafted with precision, this black cable guide ensures durability and easy installation, enhancing your bike's performance and aesthetics. What It’s...
    £16.09
    £19.99
    £16.09
    Save £3.90
  • Trek Carbon Chainstay Main Pivot Hardware Kit for Fuel EX and Remedy bikes, black carbon components, 2016-2019 model series.Trek Carbon Chainstay Main Pivot Hardware Kit for Fuel EX and Remedy bikes, black carbon components, includes pivot hardware.

    Trek Carbon Chainstay Main Pivot Hardware Kit 2016-2019 Fuel EX & Remedy Black Carbon

    Upgrade your Trek bike with the Carbon Chainstay Main Pivot Hardware Kit, designed for 2016-2019 models. This kit ensures precise suspension performance and durability. Crafted for compatibility with Fuel EX and Remedy models, it offers reliable support to enhance your riding experience. Its black...
    £36.21
    £44.99
    £36.21
    Save £8.78
  • Trek Powerfly 2019 black internal cable guide for bike cable management, component accessory for optimal routing and organization.Black Trek Powerfly 2019 internal cable guide for cable management, designed for seamless component organization.

    Trek Powerfly 2019 Internal Cable Guide Black – Cable Management Accessory

    Enhance your Trek Powerfly 2019 with the Internal Cable Guide in sleek black. Designed for seamless cable routing, it keeps your bike’s cables protected and organized. This durable component ensures smooth shifting and braking performance, while maintaining a clean, professional look for your frame....
    £12.06
    £14.99
    £12.06
    Save £2.93
Recently Viewed Products

Trek bikes are biking models that deliver exceptional performance, comfort and durability time and time again. Here at Swinnerton Cycles, we have a selection of Trek bikes for you to explore depending on the type of cycling adventure you want to venture on. Explore Trek e-bikes, MTB by Trek and for those who want to rack up miles on the road, we have a selection of road bikes by Trek.
Trek bikes offer speed, comfort and durability

Over four decades, Trek has meticulously perfected the technical expertise needed to deliver bikes of the highest quality. Within the range of Trek bikes available here at Swinnerton Cycles, you will find premium carbon crafted models that are lightweight for speed but are durable and designed to give you a ride that is controlled. 
Trek bicycles for any terrain 
No matter what type of terrain you like to ride on, you will find a bike within the range of Trek bikes to suit your needs. If you would like to explore the range of biking accessories to enhance your cycling experience, we have a wide range of items for you to choose from including bottle cages to hold your drinks cup to first aid kits for any accidents that may occur.

Why Swinnerton Bikes

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