1970s

Bicycle Projects
The Sturmey Archer Clutch

The Sturmey Archer clutch appeared in 1921 with the introduction of the K series hubs. Earlier Sturmey Archer hub gears did not have a clutch but used a completely different method of engaging the various gears. This article covers all Sturmey Archer clutches from 1921 except N.I.G clutches. Clutches for K Series Hubs K5   […]

Read more