Precision-engineered replacement derailleur hanger from Wheels Manufacturing, crafted in their Colorado workshop to exacting tolerances.
The 321 model ensures perfect alignment and reliable shifting performance. Built to restore your bike's drivetrain geometry with the accuracy of original equipment.
Features
- CNC machined 6061 aluminum
- Black anodized finish
- Attaches to frame with (2) M3x12 Flat Head Screws
- Fasteners not Included
- Replaces Trek Part #W524188 and W5281894
Compatibility
-
Trek
- Boone (standard mount derailleur) - 2018-2019
- Checkpoint ALR - 2023-2025
- Checkpoint SL - 2023
- Checkpoint SLR - 2024
- Domane ALR Disc (standard mount derailleur) - 2018-2019
- Domane SL Disc Thru Axle (standard mount derailleur) - 2017-2019
- Domane SLR Disc (standard mount derailleur) - 2017-2019
Contents
- 1 x Wheels Manufacturing Replaceable Derailleur Hanger / Dropout 321
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
