Feature

●Compatible with 7/8 speed drivetrains, Shimano ALTUS RD-M310 7/8 speed rear derailleur and SUMC 7/8 speed chain
●Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding Smooth shifting,
●Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional), Largest Cog: 34teeth, Pulley: 13t upper & 15t lower
●Weight 326g, direct mount
●SIS Index Shifting drivetrains, Smooth shifting, easy and fast to install.
●1x rear derailleur, 1x chain(chain link is included)


Description

Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional), Largest Cog: 34teeth, Pulley: 13t upper & 15t lower