Rear hub Sturmey-Archer RS­RF3 Alu 32H 3-speed freewheel/fixed silver

Freewheel (threaded)Classic 3-speed internal gear hub with gear ratio of 177%Gear steps of 33% and 33%6061 Aluminium hub shell32 spoke holesCompatible with 13 to 24 teeth sprocketAnodised alloy finish Weight: 970gGear Ratio:Overall Range - 177%Gear 1 - 75% (Gear 2 - 25%)Gear 2 - 100% (Direct Drive)Gear 3 - 133% (Gear 2 + 33%)Axle Length: 185 mmOver Locknut Dimension: 129 mmR:Axle Protusion Length: 27 mmL:Axle Protusion Length: 29 mmPitch Circle Diameter: 67 mmFlange Width: 56.6 mmCenter to Flange Right/Left: 19.2/37.4 mmSprocket Teeth compatibility: ~ 13 - 24 TChain Line 1/8" Flat: 37 mmChain Line 1/8" Dished: 35.3 / 38.7 mmChain Line 1/8" Deep Dished: 32.7 / 41.7 mmChain Line 3/32" Flat: 36.6 / 37.4 mmChain Line 3/32" Dished: 34.9 / 39.1 mm