Rear hub Sturmey-Archer S­RF3 Alu 36H, 3-speed with threaded freewheel

A 3-speed rear hub with a threaded freewheel and an overall gear range of 177%.

• Threaded freewheel
• Number of gears: 3
• Overall gear range: 177%
• Gear steps: 33% and 33%
• Hub shell: 6061 aluminium
• Spoke holes: 36
• O.L.D. (over-locknut distance): 118 mm
• Compatible with 13–24-tooth sprockets
• Anodised alloy finish
• Weight: 970 g

Gear ratios

• Gear 1: 75% (Gear 2 − 25%)
• Gear 2: 100% (direct drive)
• Gear 3: 133% (Gear 2 + 33%)