SHIMANO GRX Di2 RD-RX817 11-speed rear derailleur Handlebar Bags For All Outdoor Activities: Our

For All Outdoor Activities: Our winter cap is perfect for cycling

Double air valves:With the double air valves

Color: Fluorescent Yellow / Black / Green / Purple / Pink

But it can do much more

SHIMANO GRX Di2 RD-RX817 11-speed rear derailleur Handlebar Bags For All Outdoor Activities: OurFor 1x11 fold Adjustable chain stabilizer prevents the chain from jumping out Low noise and smooth running shifting system for uneven terrain Spring tension adapted to Gravel Group: GRX Series: RX810 Model: RD RX817 Technology: Top Normal Rear switching stages: 11 fold Rec. Chain: HG EV and HG X 11 speed Total capacity: 31 teeth Max. Difference in front: Max. largest sprocket: 42 teeth Min. largest sprocket: 40 teeth Max. smallest sprocket: 11 teeth