Dear All, As the year draws to a close, we at Carbonal would like to take a moment to sincerely thank each and every one of you for your continued trust, support, and partnership throughout 2025. It h...
Item No.:
MX938EBProduct Origin:
ChinaPayment:
Bank Transfer, PayPal, Credit Card.Customizable:
All wheels are 100% customizable at Carbonal Bike Factory. If your preferred specs are not listed, feel free to contact us (sales@carbonalbike.com) with your special requirements described.
Product Item: 29 inch E-bike rim carbon 38mm wide 23.5mm depth hookless tubeless ready

This E-bike carbon rim with its 31mm internal width is an ideal position in the middle of the strength, to weight, to width range, it works with many tire sizes, it's the perfect choice for all eMTB's meant to be ridden on proper MTB terrain.
Specification:
|
Item: |
MX938EB |
Use: |
E-bike, Enduro |
|
Rim type: |
29" hookless |
Material: |
Toray T700 & T800 carbon fiber |
|
Tubeless ready: |
Yes |
Weight: |
500g±20 |
|
External/Internal width: |
38mm / 31mm |
ERD: |
598mm |
|
Depth: |
23.5mm |
Weave: |
UD, 3k, 6k, 3k twill, marble |
|
Weight limit: |
125kgs |
Finish: |
Matte, glossy |
|
Spoke hole count: |
28 / 32 / 36 |
Assemble hole diameter: |
8.5mm |
|
Spoke hole diameter: |
4.5mm / 2.5mm or customized |
Valve hole diameter: |
6.5mm |
|
Max spoke tension: |
140kgf (recommended 110~130kgf) |
Max tire pressure: |
60psi / 4.1bar |
|
Tire size: |
2.3" ~ 3.0" (recommended) |
Min tire pressure: |
25psi / 1.75bar |
|
Decal: |
Customized |
Standard: |
EN standard |
Features:
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.
Unique 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.
29 inch E-bike rim carbon 42mm wide 25mm depth hookless tubeless ready
Item MX942EB, weight 510g, ERD 595mm. The extra power of E-bikes asks for extra strong parts. This E-bike carbon rim feature a wide, reinforced profile, this ensures they are long lasting and perfectly compatible with higher volume tires.
Asymmetric 32mm wide carbon fiber 650b mtb trail rim tubeless ready
Item TR726X (MX732TR), weight 370g, ERD 557mm. This 650b carbon mtb trail rim with asymmetric 3mm offset profile, the unique asymmetric profile balance drive and non-drive side spoke tension to create a more durable and long lasting mtb wheelset.
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Item R18-38, weight 390g/470g, ERD 569mm. Wider, stronger and faster. This road 38mm deep clincher rim is 25mm wide. The wide rim profile offers improved aerodynamics, better handling in crosswinds condition and faster riding.
Enduro 27.5er mountain bike hookless 35mm wide carbon rim tubeless ready
Item EN729 (MX735EN), weight 440g, ERD 560mm. This enduro 27.5er carbon rim is enhanced version base on trail 35mm wide rim, more stiff, durable and long lasting, which is perfect for all mountain and enduro mountain bicycle.
Custom hand built mountain bike carbon wheels with DT swiss 350 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.
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700C disc carbon bike rim 21mm internal width 55mm deep clincher
Item D21-55, weight 480g, ERD 535mm. Featuring a wide 21mm internal rim width, this tubeless ready 55mm deep clincher rim set offers a wide and stable platform for everything from road bike to gravel bike tires.
700c disc bike asymmetrical 22mm internal width 45mm deep clincher rim
Item D22-45X, weight 390g, ERD 405mm. New 2.5mm offset asymmetric 29er/700C 45mm depth clincher rim, born for light gravel & road bike disc brake wheel. It's tubeless ready, compatible wider tire for comfortable ride, accompany you to conquer the rugged terrain.