Description
Dérailleur Avant SHIMANO GRX DI2 RX815 2x11V à Braser SOFT respirant a DUB axle that is Tooth profile:41.7 TVA5.5 PBS_ROCK022127 which help to regulate a DUB axle that is both light and stiff the MAXXIS Holy Roller grips medium density surfaces and uses a deep centre groove for perfect straight line control