R8 uses the same kinematics as R9 and R10, but features a construction of steel and composite for great reliability.

Features
Compact road derailleur kinematics
Reinforced joints for improved lateral stiffness

Specifications
Group: R-Series, R8
Speed: 8-Speed, 7-Speed
Cage Length: Long Cage
Max Cog: 25-28T
Capacity: 39T
Clutch: No
Cage Material: Steel
Outer Link Material: Steel
Compatibility: Shimano Road

Mfr Claimed Weight
TBC