Sturmey Archer RX-RD3 3-Speed Rear Hub 135mm Axle 70mm Drum Brake 36h Silver HKC3T.XSSS.S00.BX

The Sturmey Archer RX-RD3 3-speed rear hub is designed for 36-hole wheel builds, featuring a 13/32" axle with nutted mounting and an inboard rotary gear mechanism housed within a durable A356 aluminum shell. Compatible with 135mm dropout spacing, this hub is suitable for both geared and non-geared city, touring, or commuter bikes. It includes a 70mm drum brake, with optional compatibility for a 90mm drum, ensuring reliable braking in various conditions. The kit includes a 3-spline 18-tooth cog and a SLS30-T twist shifter (brake lever sold separately). The hub runs on cartridge bearings, providing smooth, maintenance-friendly operation, and weighs approximately 1400g. The gear ratio spans 177%, with three evenly spaced 33% steps, offering straightforward gear changes. Its clean, inboard rotary design avoids external chainstay protrusions, maintaining a sleek appearance. Suitable for shafts with 13/32" slotted solid axles, it requires no additional external components for basic setup.

• Axle: 13/32" with nut mounting; overall length 163/177mm
• Compatibility: 36-hole rim; 135mm spacing
• Brake compatibility: 70mm drum brake
• Hub shell: A356 aluminum, internal gear housed within
• Included: 18-tooth cog, twist shifter; brake lever sold separately
• Bearings: Cartridge type for smooth operation

Today's Stock Status

8 Available to ship in 2-4 Business Days