Shimano 105 Di2 Rear Derailleur RD-R7150 12 Speed Components With Dual DNA rubber or

With Dual DNA rubber or Gravity DNA options

If you have a vehicle with factory racks or rails

5L bladder included

EVO compound

Shimano 105 Di2 Rear Derailleur RD-R7150 12 Speed Components With Dual DNA rubber orThe Shimano 105 RD R7150 Di2 12 speed rear derailleur completes a shift in the blink of an eye with its high performance motor and optimized link structure. This is the hub of the Shimano Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. Low profile Shimano Shadow RD design reduces damage from contact and falls Receive the wireless shifting signal from the shift lever Check the battery