ProX 20 Inch 3-Spoke Carbon Wheels 406 and 451 Carbon Wheelset For BMX And Folding Bikes

20 inch 3-spoke carbon wheels

• Fit Folding bikes and BMX bikes

ETRTO options: 406mm and 451mm

26mm outer width/19mm inner width

Disc Brake hubs (6-bolt), Ratchet 36T freehub system

Disc brake hubs, front 5*100QR/rear 5*135QR

• Tubeless ready, 20*1.1''-1.5''

  • Item NO.:

    P3-406/P3-451
  • Order(MOQ):

    1
  • Payment:

    Paypal, Bank Transfer
  • Origin:

    China
  • Color:

    Black(Customized Decal Acceptable)
DESCRIPTION

20 Inch 3-spoke BMX and Folding Bike Carbon Wheels 
This carbon 3-Spoke BMX wheels are engineered for riders who demand maximum stiffness, durability, and a clean aerodynamic look. Designed specifically for disc brake BMX bikes as well as folding bikes, this wheelset combines a 3-spoke carbon structure with disc brake hubs, delivering consistent performance even under high loads and aggressive riding.


Key Features

*3-Spoke Carbon Design: 
Extremely high lateral stiffness and impact resistance
No spoke tension loss, no truing required
*Disc Brake:
Designed exclusively for disc brake systems
Stable braking performance, unaffected by rim heat

*Aero & Clean Aesthetics: 
3-spoke structure reduces air turbulence

Aero design on beam carbon spoke
Minimalist, modern appearance ideal for premium builds

20 Inch BMX 3-spoke Carbon Aero Disc Wheelset


*Tubeless Ready

Hole-free rim bed design for tubeless use, also compatible with inner tubes.
Enhanced puncture resistance and ride comfort

*Drain Hole

Provides an exit for accumulated water inside rim during rolling or stationary by gravity and centrifugal forces.
Some kind of pressure relief, especially for tubeless tire using by high pressure shock pump.

*Two Size Options for Different Riding Styles 

Available in two sizes (406mm and 451mm), these wheels are suitable for street riding, folding bikes, BMX bikes and custom builds targeting premium performance and standout aesthetics.

✅ Choose 406mm if:
You ride traditional BMX racing or freestyle
You want quick acceleration and sharp handling
Your frame is designed for standard 20” BMX
You prefer lighter overall setup
Typical use cases:
BMX race, street, park, pump track, tricks, youth racing

✅ Choose 451mm if:
You want higher cruising speed
You ride urban, pump track, or race-inspired setups
Your frame and fork explicitly support 451mm
You prioritize stability and smooth rolling
Typical use cases:
Speed-focused BMX, urban builds, custom performance bikes


3-Spoke Wheels are lighter and more responsive, offering quicker acceleration and agile handling. If you prefer wheels for more even stiffer, please check more details about 20 inch 5-spoke wheels which is delivering better stability at high speeds. 

SPECIFICATION

ProX 20 Inch 3-Spoke Carbon Wheel BMX/Folding Bike Tri-Spoke Carbon Wheels Specification:

-Hub: ProX 36DB hubs, Ratchet 36T freehub system

-Cassette Body: Shimano HG 11/12s or SRAM 12s XDR 

-Tire Type: both inner tube and tubeless compatible

-Rim Width: 26mm outer/19mm inner

-Rim Depth: 40mm depth on 406mm wheels, 41mm depth on 451mm wheels

-Finish Options: UD/marble/3K twill weave, matte/glossy finish

-Brake Type: Disc brake, 6-bolt, front 5*100mm QR, rear 5*135mm QR

-Tire Pressure: 110psi/7.5 bar

-Tire Size (Recommended): 2.0*1.1''-1.5'' tire

-Warranty Year: 2 years

-Tubeless Valve (not included): 60mm length

-Recommended 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.


 Model Category Size(ETRTO/BSD) Max Weight Limit Brake Type Rim Depth Tire Type Terrain Material Hub Hub Size Weight(+/-25g)
P3-40DB-406-F 3-spoke Front 406mm 100kg/220lb Disc Brake 40mm Clincher/TLR BMX/folding bike T700 ProX 36DB hub 5*100mm QR 550g
P3-40DB-406-R 3-spoke Rear 406mm
100kg/220lb Disc Brake 40mm Clincher/TLR BMX/folding bike T700 ProX 36DB hub 5*135mm QR 650g
P3-41DB-451-F
3-spoke Front
451mm 100kg/220lb
Disc Brake
41mm
Clincher/TLR
BMX/folding bike
T700
ProX 36DB hub
5*100mm QR
640g
P3-41DB-451-R
3-spoke Rear
451mm
100kg/220lb
Disc Brake
41mm
Clincher/TLR
BMX/folding bike
T700
ProX 36DB hub
5*135mm QR
750g


P3-40DB-406 Drawing
P3-40DB-406 Drawing


P3-41DB-451 Drawing

P3-41DB-451 Drawing

TECHNOLOGY
Carbon Fiber Material

Carbon Fiber Material

Premium Toray T700 carbon fiber are used in our road carbon 3-spoke wheels. 

Combining with stable resin system to make consistent quality and high strength 20 inch 3-spoke carbon wheels.

Tubeless

Tubeless

Tubeless tire is getting popular in BMX bike due to its better traction, lower rolling resistance and better riding comfort.

Our 3-spoke BMX bike wheels are perfect for both tubeless tire and inner tube tire.

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

Narrow Inner Width

Wider Inner Width

Relatively wider 19mm inner width, make it possible to fit multiple sizes of tire.

Normally road tire size 20*1.1'' are recommended (also fit other wider tires).

Chosen Road Hubs

OEM ProX Hubs

OEM hubs are used in our 3-spoke wheels are with stable quality and competitive price.

With Shimano HG 11/12 speed, SRAM 12 speed XDR freehub optional.

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.

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Related Products
32 carbon mtb rims
ProX 32er MTB Carbon Rims 32inch Mountain Bike Carbon Rims Tubeless Ready
• 32-inch MTB carbon rims symmetric design • Bead Hook and Hookless optional • Tubeless ready mtb carbon rims for XC/AM • Light weight T700+T800+Graphene material • High quality, 2 years warranty
29er carbon hardtail frame
ProX 29er Carbon Hardtail Frame Full Hidden Cable MTB Hardtail Frame
• Hidden internal cables go into headtube • Knock Block system • Flat mount and post mount caliper compatible • 29er*2.35'' max tire clearance • 12x148mm boost thur-axle
carbon gravel bike frame
ProX Carbon Gravel Bike Frame Micro Suspension System Plus Integrated Handlebar
• With micro suspension system • Flat mount disc front 140mm/160mm, rear 160mm • Bottom bracket T47*P1.0 (85.5mm) • Max tire clearance 700C*47C or 650B*1.95'' • Full hidden cable with integrated handlebar • UDH rear hanger • Thru-axle front 12*100mm/rear 12*142mm
carbon hardtail frame 29er
ProX Carbon 29er Hardtail Frame Cheap Price Chinese Carbon Hardtail Frame
• Priced from USD279/set • Carbon frame 29er hardtail for XC • 12x148mm boost thru-axle • Full internal cable routing
DT Swiss 350MB Boost Carbon Wheels
ProX Carbon Fiber MTB Wheels DT350 Boost Mountain Bike Wheel Sets
• Cost-effective DT Swiss 350 MTB Boost hubs • Asymmetric carbon rims for XC/TR/AM/EN/Ebike • Shimano 11-12s and Sram 11/12s XD freehub • Sapim Race spokes, super strong and durable • High quality carbon wheels, 2-year warranty
e mtb carbon wheelset
ProX E-bike Wheels E810 Carbon Wheelset For E-Mountain Bikes
• Specific wheels for E-bike, 140kg max weight limit • Steel material bearings, freehub and axle sleeve, higher strength • Priced from USD389/pair • Shimano 11s, Microspline 12s or SRAM XD freehub • Sapim Race spokes, super strong and durable
trail mountain bike frame
ProX Full Suspension Trail MTB Frame Carbon Trail Mountain Bike Frame
• Trail 29er/650b plus full suspension carbon frame • Fit 165*45mm trunnion mount rear shock • Max 130mm rear travel • 12*148mm Boost thru axle
carbon wheels 29 mtb
ProX Carbon Fibre MTB Wheels 88MB ODM Ratchet System Mountain Bike Carbon Wheels
• Compatible for both center lock & 6-bolt • Affordable MTB boost carbon wheels, priced from USD399/pair • Ratchet 36T freehub system • Shimano 11s, Microspline 12s or SRAM XD freehub • Pillar 1423 spokes, strong and stiff

click here to leave a message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

about

contact