SRAM CHAIN RING ROAD AERO 42T B 10 OR 11 SPEED V4 130 ALUM 3MM BLACK (55-42 54-42) (CRS42B)
SRAM Road 42 teeth 3 mm chainrings are stamped from 7075-T6 aluminium with a black hard anodized finish. PowerGlide ramps/pins for optimized shifting performance.
COLOUR: black SIZE: 10/11SPD 42T MANUFACTURER: Sram