A direct-replacement derailleur hanger from Wheels Manufacturing (hanger #421) for the BMC frames listed below, restoring correct derailleur alignment after the original hanger bends or snaps.

Compatibility & fit

As specified by SCV/Wheels Manufacturing, this hanger fits: Attaches to frame with (1) M3x10 Flat Head Screw. DROPOUT-421 is NOT for use with SRAM AXS. Please see DROPOUT-422 BMC - Teammachine SLR01 Disc - 2018-2019 - Teammachine SLR02 Disc - 2018-2019 NOTE: DROPOUT-421 is NOT for use with SRAM AXS DROPOUT-422 can be used with SRAM AXS

Hanger designs vary by year and axle spec even within the same model line, so always match this hanger against the frame's original (or the broken part) before fitting. The Tune Cycles workshop can fit and align a new derailleur hanger — derailleur hanger alignment is a separate workshop service.

Wheels Manufacturing backs this hanger with its published 1-year limited warranty against manufacturer defects from the original date of purchase. It excludes normal wear and tear, damage from crashes, abuse, misuse or improper installation, and proof of purchase is required. For warranty support, return the product to Tune Cycles and we'll manage the claim with Wheels Manufacturing's Australian distributor.
  • Genuine Wheels Manufacturing replacement derailleur hanger
  • Restores correct derailleur alignment and hanger-to-axle fit
  • Direct fit for the frames listed in Compatibility & fit
  • Aluminium construction
  • Fitting and derailleur hanger alignment available as a Tune Cycles workshop service
BrandWheels Manufacturing
TypeDirect-replacement derailleur hanger
MaterialAluminium
FitsBMC
SKU SCV-WMDH-421
Brand Wheels MFG