With a road-racing design built for everyday performance, this 105 rear derailleur ensures smooth shifting for years to come. The Shadow design helps keep the derailleur out of harm's way, should your bike take a tumble.
- Lightweight aluminum pulley cage helps reduce weight without affecting performance
- Maximum sprocket capacity is 30T
- Minimum sprocket capacity is 11T
- Maximum front difference is 16T
- Total capacity is 35T
