Sturmey Archer Rear Hub S-RF3 36h 3sp Barend shift
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Sturmey-Archer S-RF3 3-Spd Rear Hub
• 3 Speed internal gear hub without brake (freewheel)
• Available with 175mm axle length
• Classic 3 speed gear ratio of 177%
• Available now with high polish hub shell
• 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
• 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%)