Shimano XTR RD-M9000 11-Speed Rear Derailleur Pulley Set Wheel Brand _Princeton Carbonworks it offers a responsive and

it offers a responsive and agile ride ideal for conquering rough gravel roads and challenging off-road trails with confidence

APMA Seal of Approval/Acceptance Program recognizes products that have been found beneficial to foot health and of significant value when used in a consistently applied program of daily foot care and regular professional treatment

Reflective logos for increased low-light visibility

New mounting bracket with greater compatibility than previous models

The assumption that carbon is inherently faster is untrue

Shimano XTR RD-M9000 11-Speed Rear Derailleur Pulley Set Wheel Brand _Princeton Carbonworks it offers a responsive andShimano Rear Derailleur Pulley Assemblies OEM pulley set XTR RD M9000 Sealed bearing guide & tension pulley Guide pulley with extra long teeth for increased chain control