SRAM A2 Automatix; introduction to the internals - Cycling UK Forum
Automatix Coaster Brake | IG-ATM-CB-A1 | SRAM | Service
Gallery of Duomatic models
schindelhauer bikes - Automatic gearing - how does it work? The SRAM Automatix 2-speed hub automatically shifts up a gear when you reach speed of around 16 km/h. When you slow down