The new SRAM Automatix means an innovative concept realized in an internal gear hub offering unknown comfort. The SRAM Automatix changes gears when you reach a certain speed limit. And shifts back when you slow down. With it’s two gear ratios, 1:1 and 1:1.37, the SRAM Automatix is best suited for bikes in urban surroundings. SRAM Automatix doesn’t need any handlebar mounted shifters, cables or any adjustment service. The two gear ratios deliver a bandwidth of 124%. The shifting points can be preset by SRAM according to the guidelines of the bicycle manufacturer at certain speed limits which can be 12, 14 or 18 km/h (7.5, 8.7 or 11.2 mph). The nickle-chrome plated internal gear hub weighs 980g and comes with a coaster brake. For different sprocket sizes: 15, 16, 17, 18, 19, 20, and 21-tooth-sprockets
