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.

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.

• 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%)