Sturmey Archer RX-RK5 5sp Disc Rear Hub HKC5KX.SAXS.SS0.BX

- Internal gear 5-speed hub for use with any IS 6-bolt disc brake \n- 6061 aluminum hub shell with 13/32" slotted solid axle (185mm overall axle length) \n- Rotary gear selection with no protruding indicator chain or switch box \n- Gear ratio range of 243% (25% each step) \n- Includes 3-spline cog and a TSC50 twist shifter