Shimano CUES RD-U6070 Rear Derailleur Shadow GS 11 Speed Direct Attachment Di2 GSRD no shims are used for

no shims are used for clamping the Thomson Titanium bar

tubular aluminum rear rack designed specifically for 29er mountain bikes equipped with disc brakes

M/L: 415mm / 100mm drop

Apply but do not remove any excess lube

Shimano CUES RD-U6070 Rear Derailleur Shadow GS 11 Speed Direct Attachment Di2 GSRD no shims are used forThe Shimano CUES Di2 Rear Derailleur ensures smooth and intuitive auto shifting so you can enjoy the fun and healthy benefits of being out on your bike. Automatic shifting always finds the perfect gear making for the ideal pedal stroke without needing to be an expert cyclist. Compatible with the LINKGLIDE and Shimano STEPS E bike systems. Features For use with SHIMANO STEPS E bike platform Automatic shifting without pedaling Di2 wired connectivity