Sturmey Archer RS-RK3 3sp Disc Rear Hub.
- Internal gear 3-speed hub: for use with any IS 6-bolt disc brake
- Rotary gear selection with no protruding indicator chain or switch box
- 6061 aluminum hub shell with 13/32" slotted solid axle (215mm overall axle length)
- Gear ratio range of 177% (33% each step)
- Includes 3-spline 18 tooth cog and a SLS30-T thumb shifter
This product was added to our catalog on April 25, 2018