The Fastest Race Wheels, Period. Roval Rapide CLX III The all-new Roval Rapide CLX III wheels flip aero convention on its head for unmatched speed across any course. Up front, a deep-profile rim slices air where it matters most. Out back, a lower-profile rim and carbon spokes shaves 215g, unlocking explosive acceleration and razor-sharp control. And with FlatStop Bead Hooks requiring 39% more force to flat you’ve got best-in-class protection to go full gas all the way to the line. Get there fast, every time, on any course with Roval Rapide CLX III. Specs Rims Wheel Size / ETRTO 622 × 21 (700c) Tubeless Compatibility Yes Insert Compatibility Yes Brake Compatibility Disc (Centerlock) Rim Construction Carbon Clincher Hooked Valve Stem Length Roval Tubeless Vlave, Alloy 70mm Hole Count Front: 18H, Rear: 24H Rear Rim Rapide CLX III Carbon Clincher Rear, 700c (CR2471) Rear Rim Dimensions Depth: 48mm, External Width (at widest point): 31.3mm, Internal Width: 21mm, Bead Hook Width: (4.1)mm Front Rim Rapide CLX Team Carbon Clincher, 700c (CR2470) Front Rim Dimensions Depth: 51mm, External Width (at widest point): 35mm, Internal Width: 21mm, Bead Hook Width: (5.5)mm Hubs Rear Hub Roval Low Flange Road Hub, Center Lock, 12x142mm, (LF19-R) Rear Freehub Body DT Swiss Ratchet EXP (36T ): Sram XD-R Rear Hub Bearing DT Sinc Ceramic Bearings - DS:1526 (15 x 26 x 7 mm), NDS: 6802 (15 x 24 x 5 mm) Front Hub Roval Low Flange Road Hub, Center Lock, 12x100mm, 19mm OD End Caps Installed (LF18-F) Front Hub Bearing DT Sinc Ceramic Bearings - DS: 6802 (15 x 24 x 5 mm), NDS: 6802 (15 x 24 x 5 mm)