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Sturmey Archer S-RF3 Three Speed Hub and Thumb Shifter

$ 89.95

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.

 

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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 177%
  • 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

 

Gear Ratio

  • Overall Average - 177%
  • Gear 1 - 75% (Gear 2 - 25%)
  • Gear 2 - 100% (Direct drive)
  • Gear 3 - 133% (Gear 2 + 33%)