Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-IR I-SPEC EV Shifter Battery Charger Quick Link MFPN=00.7018.436.000 Prolink Racing Classic: This racing Weight-653

Shimano XTR M9250 Di2 Wireless Upgrade Kit Includes M9250 GS Rear Derailleur M9250 IR I SPEC EV Shifter Battery Charger Quick Link MFPN=00.7018.436.000 Prolink Racing Classic: This racing Weight 653 Prolink Racing Classic: This racing outsole with low profile offers abrasion resistance and flexibility Fits Divide Divide Fat and Elkhorn racks Multiple shift modes like hold down multi shift tactile click through double shift or locked out single shift deliver precision while a tunable third button allows for additional system tuning or third party connection Kit includes an XTR M9250 Di2 wireless derailleur XTR SW M9250 Rapid ES wireless shifter BT DN320 Battery EC DN100 Charger and Quick Link