In cyclocross, dropping a chain, or jamming it into your already scratched frame, is a fairly common problem. SRAM might have the solution. Beautifully integrated with the all-new SRAM RED-2012 YAW ...
The derailleur hanger is a sacrificial part that connects the rear derailleur to the dropout. In the event of an impact, the derailleur hanger is designed to bend or break, protecting your rear ...