Carbonal bicycle rim & wheel performance products technology
Hot Products
disc brake wheel rim

Aerodynamic 38mm deep bicycle disc brake wheel rim tubeless compatible

Item D18-38, weight 400g, ERD 569mm. This road 38mm deep bicycle disc brake wheel rim is 25mm width, wide u shape rim profile offered improved aerodynamics, and toray T800 carbon be used to make this rim stronger, lighter and stiffer for road disc brake wheels.

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650b bike rim

Asymmetric rim profile 29 inch mtb rims carbon hookless tubeless ready

Item MX932XC, weight 330g, ERD 595mm. This asymmetric 3mm offset 29er mtb rim balances drive and non-drive side spoke tension to create a more durable and well-balanced light mtb wheel, it's perfect upgrade for your xc mountain bike.

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disc brake tubular rim

Disc brake 38mm deep lightweight carbon road bicycle tubular rim

Item DT38S, weight 330g, ERD 569mm. Wider and U shape 38mm deep aero designed rim profile, constructed with premium Toray T700 & T800 carbon fiber, makes this disc tubular rim super light, a good choice for lightweight road wheels.

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road disc rim

Aero road bike carbon rim 21mm wide 38mm deep clincher tubeless

Item D21-38, weight 410g, ERD 569mm. Featuring a wide 28mm external rim width, this tubeless ready 38mm clincher rim set offers a wide and stable platform for everything from road bike to gravel bike tires.

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carbon rim for ebike

29 inch E-bike rim carbon 38mm wide 23.5mm depth hookless tubeless ready

Item MX938EB, weight 500g, ERD 598mm. 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 ideal choice for all eMTB.

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hookless gravel rim

Asymmetric 29er hookless 29mm wide 28mm deep carbon rim for gravel bike

Item GZX28, weight 350g, ERD 589mm. This new hookless asymmetric 29er gravel bike carbon rim with wider 24mm inner width, more lightweight than hook version but without compromising stiffness and strength.

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disc bike rim

29er disc bike rims 27.5mm wide 38mm depth hookless for cyclocross and gravel bikes

Item GZX38, weight 380g, ERD 569mm. The GZX38 was designed with one goal in mind: making the best rim possible for long distance gravel racing or riding. With a massive 24mm inner width, this rim provides a stable profile for even the widest gravel tires.

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gravel bike rim

29er disc bike rims 27.5mm wide 50mm depth hookless for cyclocross and gravel bikes

Item GZX50, weight 420g, ERD 545mm. The 27.5mm external and 24mm internal width 50mm road disc rim provides the perfect platform for anything from a 30C to 50C gravel, cyclocross tire and makes tubeless set up a breeze.

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Latest news
Carbonal produce carbon rim with different carbon fiber weaves

Carbonal produce carbon rim with different carbon fiber weaves

Update (2021-04-02): We produce carbon rim with the most popular carbon fiber weaves: UD, 3k, 3k twill, 6k and marble, and they can be in matte plain weave and glossy plain weave. So there are total 1...

You need a lot of work to make a good rim.


  • Design is everything. You know better at racing and market. So just send us your rim profile design and your own test requirement, and we can make it happen. And most importantly, both of us need to know our competitor very well, so we can do better!


  • We design the mold construction and structure/lay-up for your rim.


  • We always check every tool of the mold before molding to make sure accurary, solidness and enduro.


  • Carbon fiber prepreg, long strips.

carbon fiber long strips
long strips carbon fiber


  • Small pieces designed for nipple hole reinforcement.

small pieces carbon fiber for rim nipple hole enhancement


  • Place carbon fiber on mold directly.

place carbon fiber on rim mold

carbon fiber in the rim mold


  • Now a carbon rim is born!

carbon rim molding

raw finish carbon rim


  • Use hubs and spokes to build the rim into a wheel with super high tension. Test the stength, check hole angles accuracy and have UCI impact testing.

carbon wheels for testing


  • Mount with different tires to check tire fitting and tubeless setting.

different tires for testing the carbon wheel


  • To make sure the correct internal layups, we cut and burn the rim for analyzing.

cut carbon rim to check the inside

cut and burn carbon rim for checking quality


  • We are MORE than the above. Come and check it out!
tools for making carbon rim


  • If you love your work, it is not work!