Trek
TREK 2-BOLT SEATPOST CLAMPS 7X9 MM / FOR CARBON RAILS / MADONE DOMANE / W5256105
TREK 2-BOLT SEATPOST CLAMPS 7X9 MM / FOR CARBON RAILS / MADONE DOMANE / W5256105
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TREK 2-BOLT SEATPOST CLAMP EARS – THE PERFECT MOUNT FOR YOUR CARBON SADDLE
The Trek 2-Bolt Seatpost Clamp Ears are the essential original replacement part for all riders who want to mount a saddle with oval 7x9 mm carbon rails on their Trek bike. Specially designed for the proven Bontrager 2-bolt system, these clamp ears offer a precise fit and material-friendly fixation. Whether as a replacement for worn parts or as an upgrade for your new high-end saddle – these clamp ears guarantee maximum stability and security for your setup.
This set is fully compatible with the latest Trek frame platforms such as the Madone, Domane, and Speed Concept, as well as all common Bontrager Seat Mast Systems (mast caps). The high-quality craftsmanship ensures easy assembly and precise saddle alignment. With this original part, you ensure that the load on the delicate carbon rails of your saddle is optimally distributed to maximize the lifespan of your components.
Product Details
• Original Replacement Part: Directly from Trek/Bontrager for the highest quality standards
• Special Size 7x9 mm: Precisely matched to saddles with oval carbon saddle rails
• Secure Hold: Optimal pressure distribution in the 2-bolt clamping system
• Versatile Compatibility: Suitable for Trek Madone, Domane, and Speed Concept, as well as Seat Mast Caps
• Easy Installation: Quick replacement for a clean and secure upgrade
Technical Data
• Product Type: Seatpost Clamp Ears
• Clamping: 2-Bolt System
• Rail Compatibility: 7 x 9 mm (Oval / Carbon)
• Material: High-strength Aluminum Alloy / Steel
• Color: Black
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: 2-Bolt Seatposts and Seat Mast Systems
Order & Delivery Information
• Brand: Trek / Bontrager
• Manufacturer Part Number (MPN): W5256105
• EAN: 601842675694
• Scope of Delivery: 1 set (2 pieces) Trek 2-Bolt Seatpost Clamp Ears 7x9 mm
Conclusion
If you are switching to a saddle with 7x9 mm carbon rails, these Trek 2-Bolt Clamp Ears are the only correct choice for your Madone or Domane. Original fit meets maximum reliability for your daily training or next competition.
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.