NEW Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black rearder_12 Front Axle: Thru Axle

Front Axle: Thru Axle

Cleat Interface: Time ATAC

- Hangerless Interface and Full Mount attachment allow for the most precise shifting and the ultimate resistance to impact

Courtesy & Superflash patterns that can be seen from 180° for up to 36hours of run time

NEW Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black rearder_12 Front Axle: Thru AxleThe 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