Details
Shimano Dura-Ace triathlon chainrings are designed to be used only as a set 42/54, 42/55, or 44/56. 45t ring is an option to be used with the 56t ring (any other combinations may result in poor shifting).
Mon - Wed, Fri: 10:00am - 6:00pmThu: 10:00am - 8:00pmSat: 9:00am - 5:00pmSun: 11:00am - 4:00pm
Shimano Dura-Ace triathlon chainrings are designed to be used only as a set 42/54, 42/55, or 44/56. 45t ring is an option to be used with the 56t ring (any other combinations may result in poor shifting).