Shimano | Dura-Ace Fc-R9000 Chainring 42T 110Mm 11Spd Chainring For 54/42T | Aluminum
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Shimano | Dura-Ace Fc-R9000 Chainring 42T 110Mm 11Spd Chainring For 54/42T | Aluminum, Shimano Dura-Ace FC-9000 Chainring The Shimano Dura-Ace 9000 Chainring fits the new 9000 series Dura-Ace crankset which utilizes a 4 arm x-shaped spider and a 110 bolt circle diameter. Shimano makes the 5th arm disappear, shaving some weight, yet still produced the stiffest ring to date. The gain in stiffness comes from Shimano's Hollowglide Technology and integrated chainring nuts make replacement a very simple task. Chainrings are designed to work together as a set. For crisp and accurate shifting, ensure you are purchasing the correct ring to match your specific tooth count. Features: Recommended use: Road Cycling, Cyclocross Carbide-Reinforced aluminum alloy Hollowglide HG-EV Integrated chainring nuts Shimano 11spd road drive trains only Recommended use: Road Cycling, Cyclocross 53t 106 Grams, 36t 31 Grams 4 Bolt, 110mm B. C. D. (fits Shimano Dura Ace 9000, Ultegra 6800 and 105 5800 cranks only) 3 Year Warranty | Shimano | Dura-Ace Fc-R9000 Chainring 42T 110Mm 11Spd Chainring For 54/42T | Aluminum