Built to perform everywhere from rolling race circuits to fast climbs and flat-out sprints. The Shimano Dura-Ace WH-R9370-C50-TL wheelset combines 50mm carbon rims with aerodynamic carbon spokes, delivering the balance of low weight, stiffness and aerodynamic efficiency required for all-round racing. The revised rim profiles are optimised around modern 28-30C road tyres, while the rear wheel’s Direct Engagement freehub responds immediately when the pressure goes on. Weighing just 1,302g per pair, the C50 delivers deep-section speed without feeling like hard work when the road heads upwards. Key Features Complete Dura-Ace C50 carbon front and rear wheelset All-round race design balances aerodynamics, weight and stiffness 50mm-deep full-carbon rims provide efficient performance across varied terrain Revised rim profiles deliver a claimed 6% aerodynamic improvement over the previous C50 model 23mm internal rim width is optimised around modern 28-30C road tyres 31mm front and 32mm rear external widths support clean tyre-to-rim integration Hooked rims support compatible tubeless-ready and conventional clincher tyres 21 aerodynamic carbon spokes fitted to each wheel Carbon spoke construction reduces weight while maintaining race-level stiffness Rear OPTBAL 2:1 spoke arrangement balances spoke tension for strength and rigidity Direct Engagement freehub provides an immediate response under power Shimano road 12-speed HG L2 freehub body Serviceable cup-and-cone hub bearings provide smooth rotation and precise adjustment Replaceable bearing cups support long-term serviceability Improved sealing helps protect the hub bearings from water and dirt Center Lock disc-rotor interfaces Compatible with 12x100mm front and 12x142mm rear thru-axles Claimed complete wheelset weight of just 1,302g Specifications Manufacturer Shimano Series Dura-Ace R9370 Model WH-R9370-C50-TL Front-wheel model WH-R9370-C50-TL-F Rear-wheel model WH-R9370-C50-TL-R Wheel size 700C ETRTO rim size 622 x 23C Rim material Carbon Rim construction Hooked tubeless clincher Rim depth 50mm Internal rim width 23mm Front external rim width 31mm Rear external rim width 32mm Optimised tyre width 28-30C Front spokes 21 aerodynamic carbon spokes Rear spokes 21 aerodynamic carbon spokes Rear spoke arrangement OPTBAL 2:1 - 14 drive-side and 7 non-drive-side Freehub interface Shimano HG spline L2 Cassette compatibility Shimano road 12-speed Engagement system Direct Engagement Hub bearings Adjustable cup and cone Brake interface Center Lock disc Front axle compatibility 12x100mm thru-axle Rear axle compatibility 12x142mm thru-axle Front-wheel weight 593g Rear-wheel weight 709g Complete wheelset weight 1,302g Colour Black Quantity supplied One front wheel and one rear wheel Compatibility Designed for 700C disc-brake road bikes fitted with a 12x100mm front thru-axle, a 12x142mm rear thru-axle and Center Lock brake rotors. The hooked rims may be used with compatible tubeless-ready tyres or conventional clincher tyres with inner tubes. The HG L2 freehub body is dedicated to compatible Shimano 12-speed road cassettes. It is not compatible with Shimano 11-speed road cassettes or standard HG 8, 9 and 10-speed cassettes. The 23mm internal rim width is optimised around 28-30C road tyres. Any alternative tyre width must be approved for use with a 23mm internal-width hooked rim by both the tyre and rim manufacturers. Maximum permitted pressure depends on tyre size and must not exceed the limit marked on the rim. This listing includes one front wheel and one rear wheel. Thru-axles, brake rotors, cassette, tyres and tubeless valves are only included if specifically stated.