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SES 4.5 AR Chris King R45 Disc Brake Wheelset - Clincher

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SES 4.5 AR Disc Wheelset with Chris King R45 Hubs

When that unplanned route deviation is rewarded with sweeping canyon views and open road for days, you don't want to turn around just because the surface turns less than pristine. Whether it's dirt, gravel, or ancient, cracking pavement, the ENVE SES 4.5 AR Disc Clincher Wheelset with Chris King R45 Hubs lets you push onward and upward to roads much less traveled.

While this wheelset shares much of its name with ENVE's SES 4.5, the SES 4.5 AR isn't just a wider version of its namesake. The impetus of the 4.5 AR was originally driven by the unique challenges of European cobbles and a desire to run big tires without the associated decreases in aerodynamics that happens when pairing them with standard width road rims. ENVE engineers created a whole new carbon layup and rim shape designed to pair with 28-30mm tires, maintain aerodynamics, and make the most out of the 4.5 AR's wide, 25mm internal rim width, disc specific hub pairing, and intended all-road utility. ENVE further tweaks the design with the inclusion of a hookless bead design, inspired by its mountain rims, which increases tubeless reliability and results in a clean tire to rim interaction.

Even with all those changes, the 4.5 AR sees a continuation of ENVE's now signature shallow front and deeper rear wheel pairings. The 4.5 AR features a 49mm front and 55mm rear depth to comingle with its SES 4.5 sibling in the sweet spot between the 3.4 and TT-leaning 6.7 wheelsets. ENVE's wind tunnel and real world testing indicate that these wheels hold steady in a wide variety of wind conditions, so they bring their all-purpose depth to multi-surface cycling.

While shaping and dimensions are the brand's calling card, ENVE's obsessively clean construction also sets it apart from the herd of carbon competitors. ENVE wraps carbon fiber continuously around a removable bladder to construct the rims, routing the fibers around each hole for a completely intact, precise design that boasts the highest claimed strength-to-weight ratio on the market. As an added step, ENVE removes the bladder for a final product that's both lighter and more structurally sound than rims that remain packed with molding material. While that extra step of removing the bladder adds time and expense to the manufacturing process, the end result is worth it.


  • A versatile, aerodynamic, all-terrain wheelset
  • Carbon construction blends low weight and stiffness
  • Rim depth strikes a balance between confident handling and speed
  • Wider rim designed to pair with 28-30mm tires
  • There's no susbstitute for the signature, droning buzz Chris King hubs
  • Item #ENV003Q
Rim Material
carbon fiber
Wheel Size
700 c
Tire Type
tubeless-ready clincher
Rim Depth
[front] 49mm, [rear] 55mm
Rim Width
[front, internal] 25mm, [front, external] 31mm, [rear, internal] 25mm, [rear, external] 30.5mm
Brake Compatibility
centerlock disc
Chris King R45
Front Axle
12 x 100mm thru-axle
Rear Axle
12 x 142mm thru-axle
Spoke Count
24 / 24
Claimed Weight
3lb 7.8oz (1583g)
Recommended Use
cycling, gravel, cyclocross
Manufacturer Warranty
limited 5 years, lifetime incident protection