Shimano Altus RD 7/8 speed Groupset MTB M310 shifter 8 speed Bike Rear Derailleur Max 45T

Series:Altus Model:M310 RD/shifter Condition:Brand New Compatible:7 / 8 speed Specification:1M310 shifter 3 / 8 speed 2M310 RD Weight:1Shifter ± 150g 2RD ± 315g Color:Black Sprocket tooth speed difference 20T Convection range total value 45T Smaller tooth speed compatible 11 / 14T Large tooth speed compatible 28 / 34T