The Shimano 105 Di2 RD-R7150 rear derailleur brings fast, reliable electronic shifting to Shimano's 12-speed Di2 road groupset. Designed with a 36T maximum cassette capacity, it delivers smooth and precise gear changes across a wide range of gearing options, making it ideal for everything from fast road rides to challenging climbs.

As the central component of the Di2 system, the RD-R7150 receives wireless shift signals from the shifters while housing the charging port, status LEDs, adjustment buttons, and wireless unit in one compact design. Its low-profile Shadow RD design helps reduce the risk of damage from impacts or crashes, ensuring dependable performance in demanding conditions.