Shimano Tiagra 4700 10 Speed Rear Derailleur - Short Cage Cycling Shorts HollowTech II allows the bottom

HollowTech II allows the bottom bracket bearings to be spaced wider apart (outboard from the frame)

Double butted 6061-T6 aluminium

Fabricated from Easton mountain composite

0 breaker for excellent flat protection

Versatile all-conditions design

Shimano Tiagra 4700 10 Speed Rear Derailleur - Short Cage Cycling Shorts HollowTech II allows the bottomShimano Tiagra 4700 10 Speed Rear Derailleur Short Cage Bringing you the perfect mix of low maintenance, easy use and reliable performance, Shimano's Tiagra 4700 rear derailleur gives you the clean shifting you need for high mileage riding. It has a redesigned cable pitch to improve the gear changes and can be used with cassettes with a 34T large sprocket. Speed: 10 speed Shifter compatibility: Shimano 10 speed STI or flat bar shifters Mounting: