32 Inch Mountain Bike Rims

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LightCarbon 32inch MTB Rims 32er Mountain Bike Carbon Rims Tubeless Ready

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LightCarbon 32inch MTB Rims 32er Mountain Bike Carbon Rims Tubeless Ready

- Big diameter 32er MTB carbon rims

- Designed for XC/All Mountain use

- Asymmetric design

- Hookless, tubeless ready

- Light weight T700+T800 material

- High quality, 2-year warranty

  • item no.:

    AD32-36
  • product orgin:

    China
  • payment:

    Paypal, Bank transfer
  • color:

    UD/3K(customized painting acceptable)
contact us
  • specification

Why Choose 32-Inch MTB Carbon Rims?


Although 29-inch wheels remain the mainstream choice in modern mountain biking, the 32-inch format is developed to extend MTB performance beyond current limits and explore the next step in wheel size evolution. 32-inch rims are not intended to replace 29ers. Instead, they introduce distinct benefits for riders who value rolling efficiency, stability, and speed when riding over rough and uneven terrain.

32er VS 29er MTB rims


LightCarbon AD32-36 carbon rims are constructed from Toray T700 carbon fiber, providing the foundation for a strong and durable MTB rim. The maximum rider weight limit is 120kg (265lb).

The AD32-36SL version uses a premium Toray T700 + T800 carbon fiber blend to achieve a super-lightweight construction, making it better suited for lighter XC and all-mountain riders, with a maximum rider weight limit of 100kg (220lb).

The asymmetric rim design helps create more balanced spoke tension between the drive side and non-drive side. This allows higher spoke tension on the non-drive side compared with conventional symmetric rims, improving overall wheel stiffness. More even spoke tension also helps maintain wheel stability over long-term use, reducing the likelihood of spokes loosening and minimizing maintenance requirements.

In addition, the rim lay-up is carefully optimized by removing unnecessary material to reduce weight, while reinforcing the spoke hole areas with additional carbon layers. The result is an MTB carbon rim that combines high strength with low weight.



LightCarbon 32er MTB Carbon Rims Features


Key Highlights

Outstanding Obstacle Roll-Over

The increased wheel diameter lowers the effective impact angle when encountering rocks, roots, and trail irregularities. This allows the bike to glide more smoothly across rough sections, improving speed and reducing rider fatigue over long distances.

Higher Riding Efficiency

Once up to pace, 32-inch wheels retain momentum more effectively. This makes it easier to sustain speed through technical terrain and extended climbs with less energy loss.

Increased Stability and Handling Confidence

The larger rim diameter enhances stability at higher speeds, particularly on uneven or broken trails, giving riders greater control when the terrain gets challenging.

Improved Traction and Grip

With a larger tire footprint on the ground, braking and climbing traction are noticeably improved, resulting in more predictable and controlled handling.


Who Are 32-Inch Rims For?

- Riders aiming for maximum efficiency on demanding, rough terrain

- Taller cyclists who benefit from improved bike proportions and wheel scaling

- Early adopters interested in next-generation mountain bike technology


Looking Ahead: The Future of 32-Inch Wheels

With ongoing advancements in frame geometry, suspension systems, and tire design, the 32-inch platform shows strong long-term promise for delivering smoother, faster, and more stable trail performance. A mixed-wheel frame solution (32” front / 29” rear) is already in development, designed to fully unlock the performance advantages of this larger rim size. The 32-inch carbon rim isn’t about following trends — it represents a forward-looking approach to the next evolution of mountain bike performance.



LightCarbon 32er MTB Carbon Rims Big Diameter Mountain Bike Carbon Rims

Model AD32-36SL AD32-36
Terrain (Recommended) Cross Country and All Mountain Cross Country and All Mountain
Material T700+T800 T700
Weight(±15g) 460g 500g
Outer Width 36mm 36mm
Inner Width 30mm 30mm
Spoke Holes Angle Axial 8°, Radial 8° Axial 8°, Radial 8°
Rim Offset 0mm 0mm
ERD* 646mm 646mm
BSD 686mm 686mm
Tire Bead Hookless Hookless
Tire Type Tubeless or Clincher Tubeless or Clincher
Max Weight Limit 100kg/220lb 120kg/220lb
Max Spoke Tension 145kgf 145kgf
Max Tire Pressure 40psi/4.1bar 40psi/2.7bar
Tire Size(Recommended) 32*2.3''-2.8'' 32*2.3''-2.8''
Sectional Drawing carbon rim drawing AD32-36SL carbon rim drawing AD32-36


ERD of mountain bike rims 32 inch

ERD*

Effective Rim Diameter (ERD) is the maximum distance that spokes need to bridge going from one end of the rim to another. How do we calculate 

the ERD of our rims? The corresponding equation and a drawing is as shown:

ERD=OD-(rim depth)*2+(rim thickness)*2

For example

ERD of M32UL-36C rim=697mm-28mm*2+3mm*2=647mm

Most people prefer ERD including the length of the nipple cap. However, customers may use different nipples and components for building. 

Please add the height of the nipple cap(2.5mm~3mm generally) for your spoke calculation. If the height of the nipple cap is 3mm, 

then ERD of your M32UL-36C rim is 647mm+3mm*2=653mm

A: Rim nipple bed thickness (=3mm)

B: Length of nipple cap (2.5mm~3mm generally)




LightCarbon 32er Mountain Bike Carbon Rims Video


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