Sturmey-Archer

RX-RK5 5 Speed Hub: 32H, 135OLD, 90mm 6-Bolt Disc

Sturmey Archer RX-RK5 is a 5-speed internally geared disc brake rear hub with a gear ratio of 243%. Gear steps of 25%,25%,25% and 25% with rotary gear selector without protrusions outside the frame.

• 6061 Aluminium hub shell
• Compatible with 16 to 22 tooth sprocket
• Designed for heavy duty use