Shimano Tiagra RD-4700 Rear Derailleur - 10 Speed - Medium Cage, Silver Color:SILVER Forged aluminum shell with HG

Forged aluminum shell with HG road 11 speed steel freehub body

- Ultra-Light Hollow Core Carbon Frame

Hub and rim technology configured with direct thread straight-pull aluminum spokes

This unique design frees-up space for much larger balls that more than double the load capacity compared to standard BB bearings

Rolltop construction for quick waterproof access

Shimano Tiagra RD-4700 Rear Derailleur - 10 Speed - Medium Cage, Silver Color:SILVER Forged aluminum shell with HGShimano Tiagra RD 4700 Rear DerailleursRevised cable pitch offers accurate and long lasting performance Wide link design increases rigidity 11 tooth pulleys for reduced pulley wear and chain noise Largest Cog 28, 34 Color Black, Silver Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 10 Chain Wrap Capacity (teeth) 33, 41 Cage Length Medium, Short