| The Trivio RACE 5-arm chainrings are compatible with 10 speed gear systems.They are manufactured from 7075-T6 quality aluminum and guarantee a smooth drivetrain and excellent durability.These chainrings are available in different versions:BCD 110mm (34T, 36T, 39T, 48T, 50T, 52T), BCD 130mm (39T, 42T, 50T, 52T, 53T) and BCD 135mm (39T, 42T, 50T, 52T, 53T).They are ideal as replacement parts for original Shimano and SRAM race cranksets. | |