Wheels Manufacturing #321 (Trek) Derailleur Hanger

All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances.

• 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
• Fits Trek: Domane ALR Disc - 2018, Domane SLR Disc - 2018