ProX 32er MTB Carbon Wheels Big Diameter 32inch Mountain Bike Wheels With Ratchet System Hub

• 32inch Light weight MTB carbon wheels

• Built with light weight 89MB MTB boost hubs

• Ratchet 54T freehub system

• Shimano 11s, Microspline 12s or SRAM XD freehub optional

• Sapim Leader spokes, strong and stiff

  • Item NO.:

    32er 89MB wheels
  • Payment:

    Paypal, Bank Transfer
  • Origin:

    China
  • Color:

    UD/3K/12K(Customized Decal Acceptable)
DESCRIPTION

ProX 89MB Mountain Bike Boost Carbon Wheels - Affordable Carbon MTB Wheels With Ratchet 54T System 

As DT Swiss hubs become increasingly expensive and lead times extend, ProX has developed its in-house 89MB Boost MTB hub as a high-performance alternative.
Featuring a precision-engineered 54T ratchet freehub system, the ProX hub delivers instant power transfer, minimal rolling resistance, faster acceleration, and reduced fatigue. Built by a reputable Taiwanese hub manufacturer, it offers premium-level reliability comparable to high-end brands like DT Swiss.
The 89MB hub supports custom logo customization (etching or sticker), ideal for OEM/ODM private branding.



32inch mountain wheels

Our mountain bike carbon rims are with asymmetric design which helps to build wheelset with more even spoke tension between drive side and non-drive side. 

Carbon MTB wheelset built with asymmetric mtb rims are stiffer and stabler.

89MB MTB bike hubs

6-bolt or Centerlock?

If you are thinking about a new MTB bike, you may have come across the question-- 6 bolt or centerlock? 
6 bolt or centerlock refer to the attachment between the rotor and hub. As long as the hub is attached to the rotor and centered correctly, both of disc brakes systems will grab your bike and slow you down.

6 Bolt: Standard, universal fit, compatible with most MTB rotors & frames. Easy to replace, widely available. Best for versatility, easy maintenance and trail/AM/Enduro riding.
Centerlock: Sleeker, lighter, faster to install/remove. More rigid, cleaner design. Common on high-end & road/XC bikes. Best for lightweight, clean setup, XC/race use.
ProX 89MB MTB boost hubs are available on both 6 bolt and centerlock options. 


32-inch Tire:

32-inch carbon rim + Maxxis Aspen 32x2.4'' tire package available for combined purchase.

Maxxis Aspen 32x2.4''

  • 120 TPI + EXO protection – lightweight, supple, and durable for XC racing
  • 2.40” Wide Trail (WT) – optimized for 30mm inner width rims
  • Tubeless Ready (TR) for lower pressures, improved grip, and fewer flats

32 inch bike tire

SPECIFICATION

ProX 89MB MTB Boost 32er Mountain Bike Carbon Wheels Specification:

-Hub: ProX 89MB MTB Boost (front 15*110mm TA/rear 12*148mm TA), Ratchet 54T freehub system

-Disc brake type: 6-bolt, center lock

-Cassette Body: Shimano 11s HG, 12s MicroSpline, Sram XD 11/12s optional 

-Type: straight pull

-Spoke Hole Count: front 28H/rear 28H

-Tire Type:Clincher/Tubeless Ready

-Spoke: Sapim Leader spokes, 14G, 2.0mm

-Spoke Tension(recommended): ≤145kgf

-Tire Pressure: 40psi max

-Maintenance Frequency On Hubs:
Standard Use: every 1,000–1,500 km or 3–6 months (whichever comes first).
Harsh Conditions (wet, muddy, dusty): every 500 km or monthly.
Post-Ride Check: clean externally after muddy/rainy rides to prevent grime buildup.

-Warranty Year: 2 years

-Tubeless Valve (not included): 44/60/80mm length optional

Tubeless Valve

ProX Asymmetric Design 32 inch Mountain Bike Carbon Wheels For XC/AM

Model (32ER)  Rims Terrain  Outer Width Rim Offset Hub Front Size Rear Size Spoke
Tire Size
(Recommended)
Weight
(+/-3%)
89MB-AD32-36SL-Leader
AD32-36SL XC & AM 36mm 2.8mm ProX 89MB 15*110mm 12*148mm Sapim Leader 32*2.3''-2.8'' 1734g
89MB-AD32-36-Leader AD32-36
XC & AM 36mm 2.8mm ProX 89MB 15*110mm 12*148mm Sapim Leader 32*2.3''-2.8'' 1814g

Rims AD32-36SL
AD32-36
Max Weight Limit 100kg/220lb 120kg/265lb
Material T700+T800 T700
Sectional Drawing


TECHNOLOGY
Carbon Fiber Material

Carbon Fiber Material

Premium Toray T700 + T800 carbon fiber are used in our carbon rims. 

Besides, advanced graphene filling technology is used in producing our super light MTB carbon rims (GP model). 

Combining with stable resin system to make consistent quality and light weight carbon mtb rims.

Light Weight

Light Weight

By using well designed lay-up structure, mixing Toray T700 and T800 carbon prepreg, light weight carbon rims are created.

Excessive materials are eliminated to save weight, while extra materials are added around spoke hole for reinforcement.

So, light weight is achieved without compromise in strength or stiffness.

Asymmetric Design

Asymmetric Design

Asymmetric design mtb rims help to make wheelset with more even spoke tension between drive side and non-drive side.

MTB carbon wheelset built with asymmetric rims are of better stiffness and stability.

The spoke tension on such wheelset will not get loose easily, lower frequency for re-truing is needed.

Hookless Design

Hookless Design

Compared to bead hook rims, the sidewalls of hookless rims are thicker and stronger, providing better impact resistance.

Straight bead provides more stance for tire. Tires will not be squeezed in bead as it was, which makes it less "light bulb effect".

Thus, the tire/rim engagement is more stable, more difficult to be blown out under strong impact, which is important for carbon mountain bike rims.

Tubeless Ready

Tubeless Ready

Tubeless tire is getting popular in road bike wheels thanks to its better traction, lower rolling resistance and better riding comfort.

All our carbon clincher rims are tubeless ready (also fit normal tube tires).

Optimized anti-burp bump design provides easy tire mounting, dismounting, as well as air inflation. 

Hand Built

Hand Built

All our carbon wheelsets are hand built by experienced mechanician.

Based on customers’ demand, various choice of hubs, spokes and nipples are optional.

After wheel built, they are trued precisely at high standard (≤0.3mm) on roundness, lateral and center tolerance.


ProX 89MB Hubs

ProX 89MB hubs are used.

89MB mtb boost hubs are with stable quality and competitive price.

15*110/12*148 boost spacing, with both 12-speed (Sram XD, Shimano MicroSpline) and 11-speed freehub optional.

Pillar Spokes

Pillar Spokes

The popular Pillar PSR AERO 1423 spokes are used.

Pillar patented cold forge technology is applied in the spoke production which increase the strength up to 20%.

Perfect aero shape, high elasticity and low drag coefficient.

2-Year Warranty

2-Year Warranty

We have strict production management system, QC and Testing process. Our quality is always very good and reliable.

For all carbon rims and carbon wheels sold by ProX, 2 years’ quality warranty is offered (starting from the date of package being signed).

Click Warranty Policy to see more details in another page.

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