New carbon unidirectional levers lend the Record Rim Brake controls an air of power, stiffness and reliability These new controls allow riders to select two different lever-handlebar positions spaced to adapt to the size of the hand, whilst keeping braking efficiency constant Vari-Cushion technology offers an ergonomic, comfortable and safe support and grip The �one lever-one action� feature assigns each lever one function to prevent shifting errors Ultra-Shift mechanism enables upshifting up to three sprockets at a time and downshifting a full five Double curvature to improve grip and thus safety EP19-RE12C Pair 2x12s Rim Brake CarbonUPC/EAN/GTIN: 8053340450198