RS-RK3 3-Sp Disc Hub, 36h - Silver

- Internal gear 3-speed hub: for use with any IS 6-bolt disc brake \n- Rotary gear selection with no protruding indicator chain or switch box \n- 6061 aluminum hub shell with 13/32" slotted solid axle (215mm overall axle length) \n- Gear ratio range of 177% (33% each step) \n- Includes 3-spline 18 tooth cog and a SLS30-T twist shifter