Shimano Altus RD-M310 Rear Derailleur – 7, 8 Speed, Long Cage, Black

Shimano Altus Rear Derailleurs. Advanced light-action design Teflon-coated bushings Direct-attach rear derailleurs Color: Black Weight: 326g Intended Use: Mountain Cassette Spacing: Shimano/SRAM 8 Shifter/Derailleur Compatibility: Shimano Largest Cog: 34teeth Chain Wrap Capacity: 43teeth Derailleur Action: Top-Normal (Traditional) Cage Length: Long Chain Wrap Capacity: 43 teeth Derailleur Action: Top-Normal (Traditional)