ProX 20 Inch BMX Rims High Strength Carbon BMX Rims For Sale

• 20 inch carbon BMX rims

• 30mm and 32mm outer width optional

• ETRTO/BSD 406mm

• Designed for BMX bike and folding bike

• 2-year warranty

  • Item NO.:

    B20
  • Payment:

    Paypal, Bank Transfer
  • Origin:

    China
  • Color:

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

For BMX carbon rims, strength should come first. 

ProX provides two sizes of 20 inch BMX carbon rims, 23mm and 25mm inner width. Both of them are with ETRTO 406mm. They can be used for BMX bikes as well as folding bikes.

Both models are made from high strength Toray T700 carbon fiber +  stable resin system, which is the basis to guarantee strength.

In addition, we optimize the lay-up design, make our BMX carbon rims much thicker than road rims, to make sure they are strong enough for jumping.

We do strict impact testing for our carbon BMX rims, make sure they are able to tolerate great force coming from jumping and keep riders safe.

20 inch carbon bmx rims

SPECIFICATION

ProX 20 inch Carbon BMX Rims and Folding Bike Rims

Model  B32-25-Z406 B30-30-Z406
Size(ETRTO/BSD) 406mm 406mm
Use(Recommended) BMX/folding bike BMX/folding bike
Material T700 T700
Weight(±15g) 320g 360g
Max Weight Limit 100kg/220lb 100kg/220lb
Depth 25mm 30mm
Sectional Drawing carbon fiber bmx rims
20 bmx rims
Outer Width 32mm 30mm
Inner Width 25mm 23mm
ERD* 375mm 365mm
Rim Bead Hook Hook
Tire Type Tubeless or Clincher Tubeless or Clincher
Max Spoke Tension 145kgf 145kgf
Max Tire Pressure 110psi/7.5bar 110psi/7.5bar
Tire Size(Recommended) 20*1.5‘’~2.2‘’ 20*1.5‘’~2.1‘’

calculate the ERD of BMX rims

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 B32-25-Z406 rim=418mm-25mm*2+3.5mm*2=375mm

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 B32-25-Z406 rim is 375mm+3mm*2=381mm


A: Rim nipple bed thickness (=3.5mm)

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

TECHNOLOGY
Carbon Fiber Material

Carbon Fiber Material

Premium Toray T700 carbon fiber is used in our carbon BMX rims. 

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

Aero U Shape

Aero U Shape

Wide U Shape carbon rims are more aerodynamic than traditional V Shape rims. 

Besides, U shape design helps to improve the impact resistance and make stronger and more durable BMX rims. 

Tubeless Ready

Tubeless Ready

Tubeless tire is widely used in BMX carbon wheels thanks to its better traction, lower rolling resistance and better controllability.

The BMX carbon rims are compatible for both tubeless and inner tube tires.

Easy tire mounting, dismounting, as well as air inflation. 

Disc Brake

Disc Brake

Disc brake provides more sensitive and precise braking performance than rim brake.

Our BMX carbon rims are designed for disc brake, more sensitive and precise braking performance. 

Specific carbon prepreg lay-up design for disc brake rims, longer durability and lighter weight.

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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