SRAM Automatix Fashion bikes in 10 colors: green (new), blue, orange, black, white, red, turquoise, violet, gold chrome & silver chrome. The SRAM 2-gear AUTOMATIX© hub requires no shifting - it adapts automatically with you throughout your urban journey. Best of all: our commuter bikes require virtually zero maintenance. Martone bikes are light and strong, made of steel alloy and wheels of double-wall aluminum; perfect for daily urban journeys - and always with a red chain to add some magic to your daily transit.