THE WORLDS WIDEST AERO WHEELSA wide tire needs a wide rim to avoid turbulence in the tire-rim transitionThe Discus 45 | 40 is the first aerowheel designed for 35-40mm tires29mm internal width makes your chosen tire even wider & reduces tire flopThe Discus 45 | 40 was designed for the Exploro but makes any gravel bike faster SpecsRim sizeETRTO 622 x 29c, (28u201d/700c) 40mm wide, 45mm deepRim SpecTubeless-Ready Clincher, specific angle drillingRim materialUnidirectional carbon - ultralight layupSpokesSapim CX-Ray Straight-pull, stainless steel, black finish, double butted aero, 24 Front/24 RearHubsCarbon-Ti Hubs (Chris King, Industry Nine or Carbon-Ti coloured hubs customization possibile)NipplesSapim chrome-plated brassFront Hub specThru-axle 100x12mmRear Hub specThru-axle 142x12mmRear Hub compatibility10/11s Shimano freewheel or SRAM XDR Driver body includedWheel weight (+/- 5%)1665gyear-2020,year-2020-make-discus,year-2020-make-discus-model-700c