The ENVE Foundation AR40 is built for riders who refuse to be limited by the road surface ahead. Combining aerodynamic efficiency, all-road versatility, and gravel-ready durability, the AR40 is the perfect wheelset for modern road bikes, endurance bikes, and gravel race machines. Featuring a 40mm rim depth and wide 25mm internal rim width, the AR40 is optimised around today's wider tyres, delivering improved comfort, traction, and rolling efficiency. Borrowing directly from ENVE's proven SES development programme, the rim shape is aerodynamically tuned for 29–30mm tyres, providing impressive speed gains without compromising stability in changing wind conditions. Built around ENVE's Innerdrive Foundation hubs, the AR40 delivers reliable engagement, reduced bearing stress, and long-term durability. Oversized ratchets and intelligent hub design create a smooth, efficient ride with easy serviceability, ensuring performance that lasts season after season. While designed with road performance in mind, the AR40 is fully rated for gravel riding and racing. The wide hookless bead design improves impact resistance and tubeless reliability, making these wheels equally at home on rough backroads, fast gravel sectors, and long endurance adventures. Key Features 40mm Aerodynamic Carbon Rims – balanced speed, stability, and versatility across road and gravel terrain 25mm Internal Width – optimised for modern tyres from 27mm to 50mm wide ENVE Innerdrive Foundation Hubs – reliable engagement, long bearing life, and easy maintenance 1510g Wheelset Weight – lightweight performance with gravel-rated durability
