2026 Enve AR40 - White

The AR40 is the latest addition to the Foundation lineup. Featuring an aerodynamically optimized 40mm rim depth front and rear with a 25mm internal rim width, the AR40 is designed to deliver ultimate versatility for the road ride and racer looking for performance on and off-road.

• Ultimate versatility for the on and off-road rider
• 1515g Wheelset Weight Avg. (+/- 3%)
• Inner Rim Width: 25mm
• Aero optimized tire size: 27mm*
• Tested and qualified to Enve's gravel standards
• For Use With Tubeless Tires Only

*Tire must be Tubeless and listed as "Approved/Recommended" on Enve's Tire Compatibility Page.

Features

Aerodynamics: Wind Tunnel Tested, Real-World Proven

Aerodynamics are a non-negotiable advantage for road cyclists and triathletes-delivering greater efficiency and confidence-inspiring handling, no matter the wind conditions. With more than 15 years of experience developing some of the world's fastest wheels, ENVE is uniquely qualified to bring best-in-class aerodynamics to the Foundation customer.

Like our SES wheel family, the AR40 was tested and developed in the Mercedes-Benz Formula One wind tunnel to achieve real-world aerodynamic performance. Unlike other wheel brands that test isolated wheels at elite speeds of 30 mph (48 kph), ENVE develops and tests wheels in-frame at multiple speeds ranging from 20 mph (32 kph) to 30 mph (48 kph).

Tubeless: Roll Fast, Flat Less

Since 2016, ENVE has been converting road riders from inner tubes to tubeless due to the numerous benefits of the system, which include:

• Lower rolling resistance – By eliminating the inner tube, the friction between tire and tube is also eliminated, allowing the tire to flex and conform to the road with greater efficiency.
• Flat less, ride more – Flat tires are a buzzkill. With a little sealant you can eliminate nearly all flats that would have been caused by an intrusive thorn or piece of debris.
• Run the Best Pressure – Tubeless means you can run the pressure you want to maximize comfort, traction, and rolling efficiency.

Hookless/Straight-Sidewall Design - Tubeless performance depends on the tire maintaining a light press-fit with the rim on the rim’s bead seat diameter. ENVE chooses a hookless tubeless rim profile as it allows for the critical tolerance at the rim’s bead seat diameter to be both consistent and accurate.

The AR40 is designed for use with tubeless tires greater than 28 mm wide.

Wide Hookless Bead and Molded Spoke Holes

POT-HOLE and IMPACT PROTECTION

Potholes and unforeseen impacts are part of the ride, but that doesn't mean they need to ruin your day. The AR40 features ENVE's patent pending Wide Hookless Bead which is a design element at the leading edge of the rim that dissipates impact energy and reduces the likelihood of pinch flatting your tubed or tubeless tire

MOLDED SPOKE HOLE

ENVE's patented process of molding spoke and valve stem holes results in rims that are stronger and lighter. Because carbon fiber gets its strength from continuous fibers, ENVE routes the fibers around the hole without cutting them, increasing the strength of each spoke hole. This technique pays large dividends in the final product by allowing for a lighter spoke face while improving rim strength.

Because of this process, our spoke holes are capable of maintaining higher spoke tensions, greatly reducing the risk of spoke pull-through and the need to constantly true your wheels. Strong, light, and maintenance free.

Innerdrive™ Hubs

INNERDRIVE™ represents the pinnacle of hub driven bicycle mechanisms. Oversized steel ratchets are positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement.

HIGHLIGHTS

• 100% ENVE Designed oversized 42 mm ratchet drive system
• Longer bearing life
• Reduced axle stress = less bearing drag and prolonged bearing life
• Drive component retention
• Perfect Preload - automatic preload adjustment
• Low maintenance & easy serviceability

• Spokes:Sapim CX-Ray J-Bend
• Hub:ENVE INNERDRIVE - Foundation
• Hub Spacing:Front: 12x100 | Rear: 12x142
• Nipples:Alpina Nylock Brass
• Spoke Tension:120kgf
• Brake Type:Centerlock

Recommended Tire Size: 27 - 50mm

Minimum Tire Size: 27mm 

Maximum Tire Pressure for Min. Tire (psi | bar): 80 psi | 5.5 bar

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