Dear All, We would like to inform you that our office and factory will be closed for the Chinese New Year holidays from February 14 to 23, 2026. Normal operations will resume on February 24, 2026. Dur...
Item No.:
BMX45101Size:
20 inchMaterial:
Toray T700 + T800 carbon fiberType:
clincherWeight:
310g±10ERD:
426mmInner width:
15.5mmOuter width:
22.5mmDepth:
24mmMax weight limit:
100kgProduct Item: Pro 20 inch 451 22.5mm wide 24mm depth carbon fiber clincher rim

This 20" 451 carbon clincher rim with 15.5mm internal width can fit tyres from 1.1" to 1.4". It's light, stiff and strong for training and racing.
Specification:
|
Item: |
BMX45101 |
Use: |
BMX, Folding bike, Birdy, recumbent |
|
Rim type: |
20" clincher |
Material: |
Toray T700 + T800 carbon fiber |
|
Tubeless ready: |
No |
Weight: |
310g±10 |
|
External/Internal width: |
22.5mm / 15.5mm |
ETRTO: |
451mm |
|
Depth: |
24mm |
ERD: |
426mm (including nipple head dimension) |
|
Weave: |
UD / Marble |
Finish: |
Matte, gloss |
|
Spoke hole count: |
28, 32, 36 or customized |
Max weight limit: |
120kgs / 265lbs |
|
Spoke hole diameter: |
4.5mm or customized |
Assemble hole diameter: |
8.5mm |
|
Max spoke tension: |
>300kgf |
Valve hole diameter: |
6.5mm (Presta) or 8.5mm (Schrader) |
|
Decal: |
Customized |
Tyre fit: |
23C - 37C recommended |
|
Warranty: |
5 years |
Standard: |
EN standard |
5 years warranty:
Carbonal warrants its products to be free from manufacturing defects for a period of 5 years after original date of purchase.
This warranty only applies to the original owner and is not transferable.
Valid proof of purchase, pictures of the defect and the product serial number is required for a warranty claim.
Please retain your proof of purchase for any future warranty claims.
This warranty does not cover:
1. Normal wear and tear;
2. Any damage caused by accident, misuse, neglect, abuse, or any other fractious reasons;
3. Improper assembly, maintenance, or maintenance by an unauthorized technician.
1.3 million liability insurance worldwide, included commercial general liability and occurrence basis.
Manufacturing process:
Our Engineering team creates a unique fiber orientation which amplifies the desired riding characteristics for a given rim. And each rim carries its own layup schedule documents which are meticulously by the layup workers, it ensures the accuracy of each rim in the production process.
Our carbon rims are made in one piece molding, each rim is made by one piece long carbon fiber, no wrinkles, to make the strength of rim is the strongest. And we use a unique process to remove the air bladder from the valve hole, so that the rim does not have to be patched like traditional manufacturers use.
100% Quality Inspection:
Carbonal does 100% quality inspection and record in database, each carbon rim is given a unique ID number, which allow us to deliver the highest quality product possible and track every rim to ensure the best after-sale service.
Read more about Carbonal carbon rim Quality Control.
Pro 20 inch 451 23mm wide 50mm depth carbon fiber clincher rim
Item BMX451-50, weight: 410g±15, ERD 374mm. This rim can be used for Folding bike, Recumbent bike, Birdy bike, Moulton bicycle, Dahon, Tern bike, Tyrell, Fsir, BMX, BMX Racing etc.
Pro 20 inch 406 23mm wide 45mm depth carbon fiber clincher rim
Item BMX406-45, weight: 310g±15, ERD 340mm. This rim can be used for Folding bike, Recumbent bike, Birdy bike, Moulton bicycle, Dahon, Tern bike, Tyrell, Fsir, BMX, BMX Racing etc.
Bitex BX303F/R hub + Sapim CX-Ray spoke custom road bicycle wheelset
[Rim Brake] Custom hand built road bicycle carbon wheels with Bitex BX303F/R hub + Aero CX-Ray Sapim spokes & nipples. Eco Racing level, the most affordable performance carbon road bicycle wheelset.
29er asymmetric mtb XC rim convex spoke hole hookless tubeless ready
Item XC927A, weight 310g, ERD 595mm. This asymmetric 3mm offset 29er mtb rim with 1.5mm convex spoke hole brings stronger spoke holes, better rigidity and faster power transfer.
650b trail bike rim asymmetric 30mm internal width 25mm deep mtb carbon rims
Item TR730X, weight 435g, ERD 557mm. This 650b trail bike rim tubeless compatible with 30mm internal width & 25mm deep asymmetric 3mm offset rim profile, it will give you a more reliable tubeless fit, increased stiffness and significantly lower weight.
Custom hand built mountain bike carbon wheels with DT swiss 350 boost hub + Sapim CX-Ray spokes, Sapim SILS nipples. Choose your favorite carbon mtb rim model. Each wheelset is painstakingly hand built by experienced wheel builder.
700c Full Carbon 24mm Wide Tubular Triathlon & Track Disc Wheels - REAR Wheel
Item DISCT-DR-W24, weight: 990g(±5%). Crafted for TT experts and top triathletes, this 24mm tubular aero disc stands out in every facet: aerodynamics, rolling resistance, braking, and acceleration.
700c disc carbon bike rim 21mm internal width 33mm deep clincher
Item D21-33, weight 370g/ 400g, ERD 579mm. Featuring a wide 21mm internal rim width, this tubeless ready 33mm deep bike clincher rim set offers a wide and stable platform for everything from road bike to gravel bike tires.