NEW Shimano 105 RD-R7150 Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black price_changed_on_2022-08-02 Reservoir Included: Yes

Reservoir Included: Yes

Surly Ultra New Rear Hubs

Model: Ekar 13 speed sprockets

Optimized padding-to-weight ration make it a saddle suited for all disciplines

NEW Shimano 105 RD-R7150 Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black price_changed_on_2022-08-02 Reservoir Included: YesThe 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