MSC Derailleur Hanger Extender

This part mounts between the bike hanger and the derailleur.

Shifts the rear derailleur position and thereby improves shift behavior and range on larger than usual 46T / 50T crowns

- Distance between the holes: 22 mm.

- Size: 45 x 21 mm.

- Compatible with Sram and Shimano road

- NOT compatible with Shimano Shadow

- Compatible with: 10v / 11v