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New OCLV NEXT Thermoplastics Material Debuts on Bontrager Aeolus Pro 37V & 49V Wheels

Bontrager Aeolus Pro OCLV NEXT 49v logo close up
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The newest Bontrager wheel line has an updated rim shape, new rim depths, and introduces an entirely new OCLV NEXT thermoplastics material. There is much to unpack here, so let’s start with the new material.

Bontrager Aeolus Pro OCLV NEXT 49v logo
No stickers on the wheel or any gloss finish

What is OCLV NEXT?

Thermoplastics are polymers that can be melted and recast almost indefinitely. This type of carbon construction is becoming increasingly popular in the component world. Bontrager is the latest and largest manufacturer to employ the construction process. It allows for less wasted material, with scraps that are reusable. The material and construction also have a unique quality to absorb vibrations and offer a resonance-free ride, making them an excellent material for rims.

Bontrager Aeolus Pro OCLV NEXT 49v on road

Bontrager didn’t reveal many secrets in creating the OCLV NEXT rims. We know the rim is manufactured with a laser-machined mold. The precise mold produces a final product exactly as it’s made — no need for sanding or finishing. Like most thermoplastic rims, the Bontrager OCLV NEXT rims have a matte finish and a subdued branding.

Bontrager Aeolus Pro OCLV NEXT 49v logo grass

This finish is part of the laser machine molding process, eliminates the need for decals, and saves weight. This thermoplastic manufacturing process also helps reduce up to 95% of the volatile organic compounds (VOC) and carbon dust emissions associated with traditional carbon rim finishing, e.g., sanding.

Bontager Rim dimensions Aeolus 37V OCLV NEXT

New Aeolus Rim Shape

This new version of the Bontrager Aeolus wheel boasts a new beefed-up rim profile. The rim itself is wider, at a 32mm outer width and a 25mm internal width.

The bead is 3.5mm and hooked but with a flat top, presumably for impact protection. The wheels come taped with Bontrager TLR tape.

Regarding aerodynamics, the new Aeolus shape seems to be trending in the right direction, besting its predecessor.

Bontrager Aeolus Pro OCLV NEXT 49v less abuse

Thermoplastic composite rims are touted for their unique ability to dissipate some road vibrations. The team at Bontrager tested this against its Aeolus 37V in a traditional thermoset construction. The thermoplastic construction boasted a 5% decrease in vibration over cobbles, with nearly no change on gravel or tarmac.

Bontrager Aeolus Pro OCLV NEXT pair

Bontrager Aeolus Pro 37V Wheels

The Bontrager Aeolus Pro 37V wheels are a practical size that will fit most all riding and gravel. The rim is a 37mm deep OCLV NEXT hoop paired with Bontrager Rapid Drive 108 road hubs. The combo should be a great option for those looking for a wheelset to climb and roll the flats without drawbacks.

Bontrager Aeolus Pro OCLV NEXT 37v

The Aeolus Pro 37V/49V internal rim width is 25mm and pairs well with higher-volume road and gravel tires. The matte rim finish should match any bike, and the subtle branding is classy.

Bontrager Aeolus Pro OCLV NEXT 49v hub

We didn’t have a wheelset in the house, but Bontrager posts a weight of 1450g for the Aeolus Pro 37V wheels, about 105g lighter than the previous version.

Bontrager Aeolus Pro OCLV NEXT 49v gravel close up

Bontrager Aeolus Pro 37V Wheels Details:

  • Rims: OCLV NEXT Rim 37mm depth and 25mm inner width, Tubeless Ready (TLR)
  • Hubset: Rapid Drive 108 road hubs provide quick engagement for faster acceleration and increased control 12mm thru-axle Centerlock disc
  • Spokes: DT Swiss Aerolite14, 17 spokes, and Prolock alloy nipples
  • Freehub body: Compatible with Shimano 10/11/12 speed, SRAM 10/11 freehubs, 12sp XDR
  • No rider weight limit
  • Weight: 1450* w/o Bontrager rim strips
  • Price: $1800.00/set
Bontrager Aeolus Pro OCLV NEXT 49v pair

Bontrager Aeolus Pro 49V Wheels

The Bontrager Aeolus Pro 49V wheels are nearly the same as the 37V but with a deeper rim that boasts some aero gains. Bontrager says the new Aeolus Pro 49V is faster than the deeper Aeolus RSL 51 wheel with the same 28mm tires.

Bontrager Aeolus Pro OCLV NEXT 49v on bike

As for construction, the Bontrager Aeolus Pro 49V Wheels get the same Bontrager Rapid Drive 108 road hubs and DT-Swiss Aerolite spoke treatment.

Our demo Bontrager Aeolus Pro 49V Wheels set came in at 1579g for the pair, including valves.

Bontrager Aeolus Pro OCLV NEXT 49v gravel

Bontrager Aeolus Pro 49V Wheels Details:

  • Rims: OCLV NEXT Rim 49mm depth and 25mm inner width, Tubeless Ready (TLR)
  • Hubset: Rapid Drive 108 road hubs provide quick engagement for faster acceleration and increased control 12mm thru-axle Centerlock disc
  • Spokes: DT Swiss Aerolite14, 17 spokes, and Prolock alloy nipples
  • Freehub body: Compatible with Shimano 10/11/12 speed, SRAM 10/11 freehubs, 12sp XDR
  • No rider weight limit
  • Weight: 1555g* claimed
  • Price: $1800.00/set
Bontrager Aeolus Pro OCLV NEXT 49v gravel

Is the Bontrager Carbon Care the Same for OCLV NEXT?

Like all Bontrager carbon wheels, the new Bontrager Aeolus Pro 37V and 49V are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you structurally damage your wheels while riding in the first two years of ownership, Trek will replace them.

Bontrager Aeolus Pro OCLV NEXT 49vwheels

Bontrager Aeolus Pro 37V and 49V Availability

The new Aeolus Pro 37V and 49V crafted with OCLV NEXT thermoplastics should be available at your local Trek Dealer or at TrekBikes.com.

Look for a full review coming shortly.

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12 Comments
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Traildude
Traildude
7 months ago

Didn’t Guerrilla Industry LLC patent this thermoplastic process?

Caincreek
Caincreek
7 months ago

Not much of a secret, these are made via contract by the same folks that make thermoplastic wheels for everyone else in the industry. Here is the Bike Rumor article on the manufacture: https://bikerumor.com/forge-bond-wheels-usa-carbon-thermoplastic/

blahblahblah
blahblahblah
7 months ago

you dont need 108 hubs for the road

Robin
Robin
7 months ago
Reply to  blahblahblah

What does “need” have to do with anything? Everyone’s got something on their bike that someone else will say isn’t “needed”. So what? Since when does one person’s opinion “need” to be heeded?

JNH
JNH
7 months ago
Reply to  blahblahblah

After about 36 POE it’s all diminishing returns anyway. Don’t get me wrong I really like my King hubs, but they don’t make me any better at tech climbing. But nice is still nice.

Roger Pedacter
Roger Pedacter
7 months ago

1700g with rim strips, lol

Evan
Evan
7 months ago

“internal rim width is 25mm and pairs well with higher-volume road”

This is really pushing the limits of ETRTO standards which assert that the narrowest safe tire to mount on a 25mm internal rim is 32mm.

Robin
Robin
7 months ago
Reply to  Evan

You should check the latest standards. The minimum tire width for 25 internal-width tubeless rims is 29mm.

Dirk
Dirk
7 months ago
Reply to  Robin

And till late 28mm where just fine and are still listed in the latest release. Likely because of some incidents with hookless wide iw wheels. Enve still pushes them on their 25 iw wheels. Reserve (hooked) still mentions them. The problem is also that not all 28mm are the same. A gp5000 clincher on a 21iw blows up beyond 30mm. So is that a 30mm or 28mm ? I run 26mm Pirelli’s on 23mm iw and they are 28.7 exactly the same and Ere research 28mm ! Unless manufacturers measure their tires in a std way on a set iw for a certain tyre width it keeps on guessing.
But it’s all over the place and completely inconsistent.

Robin
Robin
7 months ago
Reply to  Dirk

That much is true. With hooked rims though, like these and Reserve’s, it’s likely more reasonable to run 28mm tires. It would be nice if tire manufacturers got on board with standardizing tire measurements.

Robin
Robin
7 months ago
Reply to  Dirk

I’m now sure if ETRTO is using stated tire size or WAM sizing for their standards. There can be a huge difference, just as you mentioned. My 30mm wide GP5000 S TR tires measure 33mm wide on Reserve wheels with a 25mm IW. From what I understand the 28mm version of the same tires on the same rims inflate to a bit over 30mm. Somewhere I read there’s a rule of thumb or maybe an established safety margin for tires: the tire width should be at least 110% of the internal width (I could be misremembering that). If that’s really the case then 28mm would ok on 25mm IW rims, at least with a clincher rim.

Thomas
Thomas
2 months ago

Please when is the full review, can’t wait

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