NEW Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black benno-acc-remidemi-xl this wheel is a reliable

this wheel is a reliable partner to collect freewheeling moments in the mountains

the M8250 rear derailleur is built to be relentlessly reliable so you are free to focus solely on the trail ahead

including peloton mode

55cm : 5'5" - 5'9"

NEW Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black benno-acc-remidemi-xl this wheel is a reliableThe 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