R8 front derailleurs feature a cold forged aluminum body and are optimized for 7 and 8-speed chains and Shimano-compatible road shifters.

XLE Rear Derailleur for 10-speed Shimano drivetrains - For MEGA Sprockets w/large cog size 36-42T - Compatible with single, double, or triple cranksets - Total Capacity: 47T

Campagnolo's Veloce Rear Derailleur uses an advanced-parallelogram design that assures precise and quick shifting. The aluminum construction reduces weight and boosts strength for crisp gear changes. Plus, the pulleys are made from a special material that renders the drivetrain nearly silent.

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes