NEW Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch inventory-accessories-electronics-gps-power-meters - 100% Chromoly steel frame

- 100% Chromoly steel frame and fork

Made for rough surfaces and rugged pavement

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

Integrated Digital Scale weighs small parts or whole bikes up to 55lbs

Shimano Tiagra BR-4700 Road Brake Calipers

NEW Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch inventory-accessories-electronics-gps-power-meters - 100% Chromoly steel frameGRX 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