Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low MFPN=16415 Shifters are compatible with 10
Platform notes & fabric story
Description
Shimano GRX RD RX820 Rear Derailleur 12 Speed Direct Mount One Spec Shadow Plus Design 36t Max Low MFPN=16415 Shifters are compatible with 10 Shifters are compatible with 10 speed MTB derailleurs Velocity Blunt 35 RimsWide 35mm profile increases tire contact The chain tensioner has an ON OFF switch for outings on smooth surfaces color:white