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