This kit contains everything you need to convert any later production single speed Owl that has a cable stop on the drive side chain stay.
3-Speed Sturmey Archer S-RF3 Internal Gear rear hub. Light alloy body, reliable and abusable built onto an Alex rim that includes tube and tire.
3-speed trigger shifter with 19mm reducer, perfect length cable + housing, linkage, and hardware for easy install, just bolt it on.
Gear range: 32 x 19T middle gear ratio with 25% gear reduction in lowest gear and 33% increase in top gear.