Shimano WH-R9270-C36-TL Dura-Ace Wheelset Shocking acceleration, all the time The Dura-Ace lineup has long been Shimano's way to demonstrate and showcase the cycling world's most bleeding edge tech. The all-new R9270-C36 Dura-Ace wheelset is evident that Shimano is leading the pack. The C36 wheelset shaves off grams in every possible area, ensuring that the second you slam on your pedals you'll feel your bike and wheels leep forward, delivering an incredibly lively ride quality. With a wider and lighter carbon rim you'll find that the rim adequately supports modern tire widths and with tubeless compatibility you can run your favorite tires at lower pressures. At 36mm deep, the C36 rim strikes and excellent balance of aerodynamics and weight savings, making the C36 wheelset a great choice for climbing up the Col du Galibier or sprinting for the win at your local crit race. The new freehub engagement system delivers direct engagement and has been designed for increased rigidity, ensuring you won't be leaving any watts behind. Features Lightweight carbon rim delivers a lively ride quality21mm internal rim width supports modern tire widths Tubeless compatibility so that you can run your favorite tires tubeless36mm rim depth is a perfect balance for both long climbs and city line sprints New engagement mechanism delivers direct engagement ONLY COMPATIBLE WITH SHIMANO 12-SPEED ROAD CASSETTESSPECIFICATIONSWheel Size700c Material Carbon Fiber Outer Width28mm Inner Width21mm Rim Height36mm Spoke Drilling24h Valve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)`Engagement Degree Engagement Upgrade Available No Front Axle12x100mm Rear Axle12x142mm Intended Use Road Approximate Weight620g Front, 730g Rear | Shimano | Dura-Ace Wh-R9270-C36-Tl Wheelset Set, Shimano | 12 Speed Road Cassettes Only