Check the listing for details. Robert Axle Project Resistance Trainer 12mm Thru Axle For Trek Checkpoint , Chec. Condition: New. Listed at 54.00 USD. Robert Axle Project Resistance Trainer 12mm Thru Axle For Trek Checkpoint , Checkmate , Madone Robert Axle Project Resistance Stationary Trainer 12mm Thru Axle, Length: 160, 167 or 172mmThread: 1.0mmRobert Axle Project thru axles allow modern frames to be used with axle mount trainers.For use with bike trainers such as 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo Kickr Snap and moreThis Axle Kit is compatible with the following 2025 Trek Checkpoint SL (Gen 3), Checkmate and Madone SL/SLR (Gen 8) with conical thru-axles-Checkpoint SL 5 (Gen 3)-Checkpoint SL 6 (Gen 3)-Checkpoint SL 7 (Gen 3)-Checkmate SLR 7-Checkmate SLR 8-Checkmate SLR 9-Madone SL 5 (Gen 8)-Madone SL 6 (Gen 8)-Madone SL 7 (Gen 8)-Madone SLR 7 (Gen 8)-Madone SLR 8 (Gen 8)-Madone SLR 9 (Gen 8) IMPORTANT: Before ordering, make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are usingMeasure trainer at the widest setting and measure the bike frame width at the rear hubThe Robert Axle ends will extend 15mm past the frame on each sideAxle shaft and axle ends are machined from 7075 aluminum and hard anodizedInstalled or removed using a 5mm Allen wrenchModel: Trainer Thru-AxlesBrand: Robert Axle ProjectManufacturer Part Number: TRA213UPC: 602150467292 Powered by Solid Commerce The All-in-One Listing, Inventory & Order Management Solution for Online MerchantseBay integration by