AR40
AR40
AR40
AR40
AR40
AR40

AR40

100-3324-001

$630.00
/

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. 

Wheel
Decal Color
Freehub Body
  • 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.

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


SPEC TABLE FRONT REAR
Effective Rim Diameter (ERD) 579mm (+/- 3mm)
Internal Rim Width 25mm
Sidewall Width 3.6mm
Pinch Flat Technology Wide Hookless Bead
Hole Count 24h
Depth 40mm
Tubeless Tape Width 29mm
Tubeless Valve Length 61mm 61mm
Spoke Tension 120kgf
Brake Type Centerlock
Spacing Front: 12x100 | Rear: 12x142

SPEC TABLE FRONT REAR
Rim Weight 425g 425g
Wheel Weight 690g 825g
Wheelset Weight 1515g (Includes Tape and Valves - HG Freehub)


SPEC TABLE FRONT REAR
Recommended Tire Size 27 - 50mm
Minimum Tire Size 27mm *
Maximum Tire Pressure for Min. Tire (psi | bar) 80 psi | 5.5 bar

 

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

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. Visit our tire pressure page to dial in your best tire pressure.  

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. Please refer to the Tire Compatibility page to see what tires are approved/recommended for use with the AR40. 

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 

SUPPORT

Custom ENVE Decals

 

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