Sturmey Archer S-RF3 Three Speed Hub and Thumb Shifter
$ 99.95
The Sturmey Archer S-RF3 is a heavy-duty 3-speed freewheel internal hub that is high performance and low maintenance. The trim kit comes with all the parts, and includes an 18-tooth cog, and Sturmey Archer SLS30 thumb shifter, cable, and housing. See below for compatibility and specs.
Compatibility
This part will fit on:
- Fredward
- Any bike with 120mm rear spacing and horizontal or semi-horizontal drop-outs
Shift lever will fit on any standard city or mountain handlebar.
Specifications
- 120mm Outside Locknut Spacing
- 32 Hole
- Classic 3-speed internal gear hub with gear ratio of 166%
- 6061 Aluminum hub shell
- Gear Steps of 33% and 33%
- Pitch Circle Diameter: 67.0 mm
- Center to flange (right): 28.6 mm
- Center to flange (left): 28.0 mm
- Hub and Cog Weight: 2 lb, 6.5 oz
- 18T x 3/32" Cog
Gear Ratio
- Overall Average - 177%
- Gear 1 - 75% (Gear 2 - 25%)
- Gear 2 - 100% (Direct drive)
- Gear 3 - 133% (Gear 2 + 33%)