Trek
TREK 2-BOLT SEATPOST CLAMPS 7X10 MM / FOR CARBON RAILS / MADONE DOMANE / W524901
TREK 2-BOLT SEATPOST CLAMPS 7X10 MM / FOR CARBON RAILS / MADONE DOMANE / W524901
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TREK 2-BOLT SEATPOST CLAMP EARS – PRECISE MOUNTING FOR CARBON SADDLES
The Trek 2-Bolt Seatpost Clamp Ears are the essential original replacement part for all riders who want to mount a saddle with 7x10 mm carbon rails on their high-end Trek model. Specifically designed for the proven Bontrager 2-bolt clamping system, these "Clamp Ears" offer a perfect fit and a material-friendly, yet extremely secure clamping. Whether on the Madone, Domane, or Speed Concept – these clamp ears guarantee the necessary stability for your performance components.
Thanks to precise manufacturing from high-quality materials, these clamp ears can be seamlessly integrated into the existing seatpost or seat mast system. They are the solution if you are upgrading from standard round rails to oval carbon rails or need to replace worn clamping components. Original Trek replacement parts ensure that the geometry and safety of your cockpit exactly match the manufacturer's specifications.
Product Details
• Original Replacement Part: Perfectly matched to Trek frames and Bontrager 2-Bolt systems
• Special Size 7x10 mm: Optimized for saddles with oval carbon rails
• Wide Compatibility: Suitable for current Madone (up to Gen 8), Domane (up to Gen 3), and Speed Concept models
• Secure Hold: Ensures even pressure distribution on the saddle rails
• Easy Installation: Quick replacement of existing clamp ears possible
Technical Data
• Product Type: Seatpost Clamp Ears
• System: 2-Bolt (2-bolt clamping)
• Rail Compatibility: 7 x 10 mm (Oval / Carbon)
• Color: Black
• Material: High-strength aluminum alloy
Model Compatibility
• Trek Madone: From model year 2016 up to and including Gen 8
• Trek Domane: From model year 2019 up to and including Gen 3
• Trek Speed Concept: From model year 2022
• Bontrager: All 2-Bolt seatposts and Seat Mast Systems
Order & Delivery Information
• Brand: Trek / Bontrager
• Manufacturer Number (MPN): W524901
• EAN: 601479396627
• Scope of Delivery: 1 set (2 pieces) Trek 2-Bolt Seatpost Clamp Ears 7x10 mm
Conclusion
If you want to make no compromises on safety and fit on your Trek road bike, choose the Trek 2-Bolt Clamp Ears. The ideal choice for switching to modern saddles with 7x10 mm carbon rails.
Product Information & Conditions
GPSR Information
Manufacturer
Trek Bicycle Corporation
801 W Madison St.
53594 WI Waterloo
Vereinigte Staaten
Email: j.burke@trekbikes.com
Responsible person in the EU
Trek Bicycle GmbH
Wegastraße 8c
06116 Halle (Saale)
Deutschland
Email: j.burke@trekbikes.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
NEW / DISCONTINUED GOODS WITH GUARANTEE / USED GOODS WITH GUARANTEE
Our standard
We invest considerable time and care in each of our bicycles and parts before they go on sale. Every bike and every item is thoroughly cleaned, inspected, and, if necessary, fitted with new wear parts to ensure it's technically sound and visually appealing.
This is precisely where we differ from many other providers: You only receive items from us that have been honestly and conscientiously inspected. The condition and all relevant information can be found transparently and comprehensibly in our item information and terms and conditions .
This way, you know exactly what to expect – and can be sure that you'll get a bike or part that will give you long-lasting pleasure without the need for major repairs after a short period of time.
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USED GOODS - Warranty
If you choose our used bicycles, components, or equipment, you benefit from additional security: We offer a one-year warranty . So you can ride worry-free, knowing we'll stand behind you even after your purchase.
Note: Items expressly marked as “defective” or “DIY goods” are excluded from the warranty.
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NEW GOODS - Guarantee
When you purchase new bikes, exhibition pieces, demonstration models, or discontinued items, you are doubly protected: You receive a 2-year manufacturer's warranty or a 2-year guarantee – clearly and transparently stated in the item information.
This means you are better protected than if you were buying privately, and you can rely on our support even after the purchase.