NEW Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch inventory-accessories-electronics-gps-power-meters Made for rough surfaces and

Made for rough surfaces and rugged pavement

the Bones EX fits 20% more vehicles than the original Bones and it includes premium bike hold downs and a handy strap management system

The Shimano HG601-11 chain offers smooth and reliable shifting performance with an asymmetric plate design for 11-speed drivetrains

Aramid Protek + belt under tread and shoulders to provide puncture protection

NEW Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch inventory-accessories-electronics-gps-power-meters Made for rough surfaces andGRX RD RX400 Rear Derailleur A Shadow RD+ chain stabilizer prevents chain slapping and drops The gravel tuned clutch tension helps to provide smooth and reliable mixed surface shifting Stabilizer can be turned on off to match terrain Compatible only with 10 speed ST RX400, ST 4700, ST4720, ST 4725, ST RS405 and SL 4700 shift levers Cage Length Long Chain Wrap Capacity (teeth) 41 Color Black Drivetrain Speeds 10 Largest Cog 36 Rear Der Shifter