Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur PSI our formula is also an

our formula is also an essential companion for triathletes

Vents -13 vents

Simply twist and lock to view apps as you ride such as Strava®

allowing riders to run lower pressures for improved comfort

3D EMBRACE technology and 12-teeth pulley wheels makes this rear derailleur suitable for all cassettes as the distance stays optimum on each individual sprocket

Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur PSI our formula is also anWide 36T compatible 12 speed Di2 rear derailleur. Receiving the wireless shifting signal from the shift lever, the SHIMANO 105 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 Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. A low profile design reduces damage from contact and falls.