Sturmey-Archer S-RF3 3-Spd Hub w/ Bar End Shifter

• 3 Speed internal gear hub without brake (freewheel)
• Available with 175mm axle length
• Classic 3 speed gear ratio of 177%
• 36h
• Available now with high polish hubshell
• Sold with SLS30 R3B Bar End Shifter



Additional Specs:
• Hub Shell Material - 6061 Aluminum
• Axle Diameter - 13/32” Slotted
• Axle Length - 175.0mm
• Over Locknut Dimension - 127mm
• Right Axle Protrusion Length - 24mm
• Left Axle Protrusion Length - 24mm
• Spoke Holes - 36
• Pitch Circle Diameter - 67mm
• Flange Width - 53mm
• Spoke Compatibility - 13g or 14g
• Sprocket Teeth - 13T through 22T
• Chain Line: 1/8” Flat 43.1mm
• Chain Line: 1/8” Dished 41.5mm, 44.9mm
• Chain Line: 3/32” Flat 42.7mm, 43.5mm
• Chain Line: 3/32” Dished 41mm, 45mm
• Indicator Chain - HSA420 Mark 5
• Weight - 1060g



Gear Ratio


• Overall Range - 177%
• Gear 1 - 75% (-)25%
• Gear 2 - 100% Direct Drive (Gear 1 + 33%)
• Gear 3 - 133% (+)33.3% (Gear 2 + 33%)