Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black Headset Service Parts Manufacturer Part Number: TB00282000

Manufacturer Part Number: TB00282000

Double and Triple chainrings for 1pc cranks

DC3058 HD4669

CM3318 TR3354

UPC: 836572001455

Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black Headset Service Parts Manufacturer Part Number: TB00282000The 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