SRAM Automatic 2-speed Hub Freewheel (No Brake): 36-Hole, 120-130mm Over-Locknut, 19T Cog | Tree Fort Bikes
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 Bicycle Hubs for sale | eBay
The Sram Automatix is born out of the Sachs Automatic. - YouTube
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.
SRAM / Sachs Internal Gear Hub Service
SRAM Kicks Back with 3 Speeds for WBR, and a Hub that can Shuck Corn - Bikerumor