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700C rim brake RX38DH asymmetric 25mm wide 38mm deep clincher rim - 470g


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Product Item: 700C rim brake RX38DH asymmetric 25mm wide 38mm deep clincher rim - 470g.

38mm clincher asymmetric rim profile

Asymmetric rim profile with offset spoke holes for better triangulation of spoke angles and balance of tensions in a wheel build, resulting a stronger, stiffer, more compliant and reliable road wheels.


Item: RX38DH Use: Road bike / Cyclocross
Size: 700c Rim type: Clincher
Material: Toray T700 carbon fiber Tubeless ready: Yes 
Weight: 460g±15  / disc version 400g - DX38D Finish: Matte / Gloss
Max rider weight: 120kgs Weave: UD black
Width: Inner 18mm / outer 25mm Depth: 38mm
High TG resin temperature:
255°C ERD: 569mm
Spoke hole: 16 / 18 / 20 / 24 / 28 / 32 / 36 Assembly hole diameter: 8.5mm
Spoke hole offset: 2.5mm Brake type: Rim brake
Valve hole diameter: 6.5mm Max spoke tension: 140kgf (recommended 110~130kgf)
Max / Min tire pressure: 125psi (8.6bar) / 90psi (6.5bar) Cycling tire pressure: 120psi / 8.3bar (recommended max)
Warranty: 2 years Standard: EN standard

* Asymmetrical profile allows for equalized spoke tension which creates a stronger wheel that stays true.

* Angled holes allows the nipple to pull straight in line with the spoke for reduced stress. This results in fewer broken spokes and nipples.

* For unique hole drilling and alternate options, please contact us for special orders.

If you have any special requirement like rim in 3k twill, 6k, marble finish surface, custom painting etc., please contact us at sales@carbonalbike.com. Since we manufacture every single one of the rim in our own factory, we have the ability to get you our rims with custom finishes, hole counts, or graphics.

* Carbonal warrants its products to be free from manufacturing defects for a period of 5-years after original date of purchase. And we understand that accidents and damage can happen, if in case of bad luck, Carbonal supports you by offering replacement product with 15% discount on the current price of products within 2 years. 

* Accessories: Brake pads for carbon rim


One Piece molding

One Piece Molding, a rim is made by one piece long carbon fiber, no wrinkles, to make the strength of rim is the strongest.

Super Lightweight Tec

Super Lightweight Tec, constructed with premium Toray T700 carbon fiber, precise layup, achieve a most lightweight.

High Temperature Resin

Use pregreg carbon fiber, which is carbon with resin together already, so you can make any shapes as you want, High TG resin be used to make rim is good enough at high temperature heating on wheels during braking.

Wider Rim System Wider rim system, wider rim offer better control, more comforatble ride and less drag.


If you need any other further assistance, please do not hesitate to email or call us.

E-mail: sales@carbonalbike.com   Tel: +86-592-5786546


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  1. Edwin Dom

    by Edwin Dom on 01 Sun,2017

    Dear Sir, Mdm,
    I have a request on availebility / price for;
    2 pc / 700 C assymetric clinscher UD matt 38 mm ( 24 hole - 4.5 mm ) road disc break use -
    No break surface rims! Due to exessive taxes and customs fee, please note that materials must be schipped as
    " production material sample " value / less then $17.90"
    Thanks for replying,
    Edwin Dom,


    Hello Edwin,
    Thanks for your inquiry.
    Yes, it's ok to declare a lower value for customs as per your request.
    Best regards,

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