Built to supply responsive shifting over the long haul, the Shimano 105 RD-5701 SS 10-speed rear derailleur offers compatibility with up to a 30-tooth cassette cog for easy-spinning on tough hills.
Features
Wide pivot design increases rigidity to minimize shifting deflection and deliver crisp, precise shifts
Part of the Shimano 105 group, this rear derailleur is designed to offer excellent, long-lasting performance balanced with good value
Short cage length is compatible with up to a 30T rear cassette sprocket, giving you a wide range of gearing options to tackle any gradient comfortably