The sram rail 50 26in ust bike wheel embodies an alloy rim that transcends all other alloy rims designed with an exclusive wide angle rim design this sram mtb wheel provides supreme stability featuring the latest innovations from sram this wheel has been designed to withstand aggressive all mountainenduro riding at its most brutal the sram rail 50 26in ust bike wheel weighs in at a mere 1690g making it one of the lightest available on the market meaning you donrsquot have to sacrifice