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Description
The Sturmey Archer 3 speed Disc Brake Hub S-RK3 is an internally geared hub kit for 36H, 135 OLD, 185mm axle length with an 18T Cog & Twist Shifter.
This hub can be custom built into any rim from 20″ upwards.
STURMEY ARCHER 3 SPEED DISC HUB S-RK3 FEATURES & SPECS
• Classic 3-speed internal gear hub with gear ratio of 177%
• Gear steps of 33% and 33%
• 6061 Aluminium hub shell
• 36 spoke holes
• Compatible with 13 to 24 teeth sprocket
• Polished Silver finish
• Weight – 1080g
Gear Ratio
• Overall Range – 177%
• Gear 1 – 75% (Gear 2 – 25%)
• Gear 2 – 100% (Direct Drive)
• Gear 3 – 133% (Gear 2 + 33%)
The S-RK3 comes with shifter, cable and 18T cog.
Need a wheel built?
Want to build a wheel with this hub? We build wheels with Sturmey Archer hubs in our workshop in Richmond, give us a call for a quote on our IGH wheel building!
