Sram I-Motion 3 32H 135mm Freewheel/Disc Hub Shift Lever(Disc rotor is not include) The ergonomic grip shift lever with a large speed indicator guarantees maximum riding comfort The gear ratio of i-MOTION 3 amounts to 186% i-MOTION 3 hub SRAM has developed its own new twist shifter with a large gear indicator that contributes to safety on the road