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

- 32-inch MTB carbon rims, tubeless ready

- Designed for XC/All Mountain use

- Bead Hook and Hookless optional

- Light weight T700+T800+Graphene material

- High quality, 2 years warranty

  • item no.:

    M32-36
  • 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 M32UL carbon rims are produced using a high-grade composite blend of Toray T700 + T800 carbon fiber combined with Graphene-enhanced pre-preg. This material selection allows the rim to achieve an exceptionally low weight while maintaining the strength required for off-road use. These rims are best suited for XC and light AM riders, with a maximum system weight limit of 100kg (220lb).


LightCarbon 32inch MTB rim 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 M32UL-36C M32UL-36Z
Terrain (Recommended) Cross Country and All Mountain Cross Country and All Mountain
Material T700+T800+Graphene T700+T800+Graphene
Weight(±15g) 480g 480g
Outer Width 36mm 36mm
Inner Width 30mm 30mm
Spoke Holes Angle Axial 8°, Radial 8° Axial 8°, Radial 8°
Rim Offset 0mm 0mm
ERD* 647mm 647mm
BSD 686mm 686mm
Tire Bead Hook Hookless
Tire Type Tubeless or Clincher Tubeless or Clincher
Max Weight Limit 100kg/220lb 100kg/220lb
Max Spoke Tension 145kgf 145kgf
Max Tire Pressure 60psi/4.1bar 40psi/2.7bar
Tire Size(Recommended) 32*2.3''-2.8'' 32*2.3''-2.8''
Sectional Drawing  32inch MTB rims M32UL-36C 32inch MTB rims M32UL-36Z


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 MTB Carbon Rims Video


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