Rear hub Sturmey-Archer S-RF3 Alu 3-speed freewheel 36H

The Sturmey-Archer S-RF3 Alu is a classic 3-speed internal gear rear hub.

• Gear ratio: 177%
• Gear steps: 33% and 33%
• 6061 aluminium hub shell
• 22-tooth flanged sprocket
• Compatible with 21- or 22-tooth sprockets
• Anodised alloy finish
• Weight: 1100 g