Check the listing for details. absoluteBLACK Premium Round Chainrings for Shimano 8000/9100. Color: Black, Condition: New. Listed at 51.95 USD. absoluteBLACK Premium Round Chainrings for Shimano 8000/9100 The absoluteBLACK Premium Round Chainrings for Shimano are specifically designed for DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksets. Featuring fast shifting and smooth pedaling, these are the most premium round chainrings on the market! They are 10-, 11- and 12-speed compatible. Advantages to aB Road ChainringsUnique “absoluteBLACK” lookStiff design due to thicker, 5 mm constructionBespoke 4 / 6 point ramp and recess shifting design results in fast, smooth shiftsDesign that provides excellent strength to weight ratio Chainring BoltsYou may order these chainrings with or without chainring bolts. Available bolts are:Shimano DURA ACE 9100: absoluteBlack DURA-ACE 9100 Chainring Bolt Covers (please see image above)*Shimano Ultegra R8000: absoluteBlack Ultegra R8000 Chainring Bolt Covers (please see image above)*All other cranks: ROTOR Road Chainring Bolts* These are move expensive but they are designed specifically for Shimano cranks and they cover the small step down between chainring and the crank arms, completing the entire look of the crank. CompatibilityCrankset: These chainrings are compatible with Shimano DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksetsChain: These chainrings are 10- and 11-speed compatibleDoes not fit Stages Dual-Sided cranksets. SpecsColor: BlackBCD: 110x4Speeds: 10- and 11-SpeedMaterial: CNC machined 7075 aluminumWeight: 34T - 30 grams | 36T - 38 grams | 39T - 45 grams | 50T - 114 grams | 52T - 129 grams | 53T - 136 grams Why Buy from Power Meter City1. We ship fast! All orders ship on the same day your order is placed!2. Free shipping on all orders in the U.S.3. We are an authorized absoluteBLACK dealer and this product comes with a full warranty.4. Expert advice and customer service in case you need any help.5. We offer a free, 30-day return policy on new items. About our CompanyAt Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service.We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.