Every ENVE Foundation wheelset is hand built in Wide Open's specialist workshop by an expert wheelbuilder. Our expertise and precise control over the build process ensure that every wheel we produce delivers the ultimate in performance and reliability.This 45mm deep wheelset is aerodynamically optimized and strikes a refined balance between stability, speed, and weight-savings. In addition, features like tubeless compatibility and Wide Hookless Bead technology make the ENVE 45 the perfect choice for the rider who wants to ride all roads.KEY TECHNOLOGIESTubeless is the future and the future is now. The benefits of road tubeless are as follows:Lower rolling resistanceFlat less, ride more – Flat tires are a buzz-killRun the Best Pressure. Visit our Tire Pressure Page to dial in your optimum tire pressureHookless/Straight-Sidewall Design - ENVE chooses a hookless tubeless rim profile as it allows the rim’s critical tolerance at the bead seat diameter to be both consistent and accurateThe ENVE 45 is optimized for use with tubeless tires greater than 25mm wide. Please refer to our Tire Compatibility Page to see what tires are approved/recommended for use with the ENVE 45.Tubeless Compatible only - may run inner-tubes with a tubeless tireFOUNDATION INNERDRIVE HUBINNERDRIVE™ represents the pinnacle of bicycle drive mechanisms. Oversized steel ratchets are positioned inboard and over the bearings to reduce stress on the axle and bearings while ensuring reliable engagement and longevity.100% ENVE designed drive systemINNERDRIVE Hub SystemOversized ratchets - 40t, 60t, 80t, and 100t optionsRetained ratchets and springPerfect Preload TM - Automatic bearing preload system with premium steel bearingsCERAMICSPEED BEARING UPGRADE OPTIONSAll ENVE hubs can be upgraded with Ceramicspeed Coated bearings for the ultimate in rolling speed and durability.SPECIFICATIONSDIAMETER: 700cRIM DEPTH: 45MMINNER RIM WIDTH: 21mmHOLE COUNT: 24h/24hHUB: ENVE InnerdriveSPOKES: Spaim CX SprintNIPPLES: Brass InternalDRIVETRAIN: HG, XDRRECOMMENDED TIRE WIDTH: ≥ 25mmWEIGHT: 1540gThe ENVE 45 wheelset is disc brake only."The Foundation wheels are a downright bargain. ENVE makes these carbon wheels in its Ogden, Utah facility, allowing the company to control the process from start to finish."- Bike Radar WE'VE GOT YOUR BACKENVE Products are designed so that you can ride and race with confidence. As a member of the ENVE family, we’ve got your back. If something goes wrong, we are committed to do everything in our power to keep you rolling. Please click here for detailed information about ENVE's Incidental Damage Policy and Factory Warranty