Sturmey Archer S-RF3 3Spd Aluminium Hub - 117mm OLN - 36 Hole

3 Speed internal gear hub without brake (freewheel). 163mm axle length. Classic 3 speed gear ratio of 177%.

- Hub Shell Material: 6061 Aluminium
- Axle Diameter: 13/32 Slotted
- Axle Length: 163mm
- Over Locknut Dimension: 118mm
- Right Axle Protrusion Length: 21mm
- Left Axle Protrusion Length: 24mm
- Spoke Holes: 36
- Pitch Circle Diameter: 67mm
- Centre to Flange Right: 28.3mm
- Centre to Flange Left: 28.3mm
- Flange Width: 56.6mm
- Spoke Compatibility: 13g or 14g
- Sprocket Compatibility: 13T through 24T
- Chain Line 1/8 Flat: 42.7mm
- Chain Line 1/8 Dished: 41.5mm
- Chain Line 3/32 Flat: 42.3mm
- Chain Line 3/32 Dished: 40.6mm
- Indicator Chain: HSA315 Mark 3
- Weight - 1020g

Gear Ratio:
- Overall Range - 177%
- Gear 1 - 0.75 (-25.0%)
- Gear 2 - 1.00 (Direct Drive)
- Gear 3 - 1.33 (+33.3%)

Includes 1/2 x 1/8 Inch 18T Dished Sprocket and SL-S30 Thumb Shifter.