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
Group
• R-Series, R8
Speed
• 8-Speed, 7-Speed
Cage Length
• Long Cage
Max Cog
• 25-28T