SHIMANO GRX Di2 RD-RX817 11-speed rear derailleur Handlebar Bags Sun safe & Rainproof: This

Sun safe & Rainproof: This family tent is made with polyester and PU material and sealed seams

Double air valves:With the double air valves

stroller Thickened & Theft Proof: It has strong cut resistance and is stable and not easy to damage

Its stable geometry

But it can do much more

SHIMANO GRX Di2 RD-RX817 11-speed rear derailleur Handlebar Bags Sun safe & Rainproof: ThisFor 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