sheldonbrown.com - New article about the SRAM Automatix two-speed hub -- http://sheldonbrown.com/automatix.html. We have information on maintenance, choice among variant models, and how to adjust the speed at which it shifts automatically.
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
SRAM Automatic 2-speed Hub Coaster Brake, 36-Hole, 120mm Over-Locknut, 19T Cog | Tree Fort Bikes
Automatix Freewheel | IG-ATM-FW-A1 | SRAM | Service