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Disc Brake 25mm Clincher Carbon Rims

/ProX 25mm Wide Disc Brake Carbon Clincher Rims Symmetric 700C Road Rim Tubeless Ready

carbon road bike rim
carbon road bike rim carbon road bike rim carbon road bike rim carbon road bike rim carbon road bike rim carbon road bike rim carbon road bike rim carbon road bike rim

ProX 25mm Wide Disc Brake Carbon Clincher Rims Symmetric 700C Road Rim Tubeless Ready

• Road disc brake carbon rims, 25mm width

• Carbon clincher rims (tubeless ready)

• 30/38/45/50/60/80mm depth optional

• U shape design, stiff and aero

• High quality, 2-year warranty

  • Brand:

    PROX

  • Item NO.:

    PRD25-C

  • Payment:

    Paypal, Bank Transfer

  • Origin:

    China

  • Color:

    UD/3K/12K(Customized Decal Acceptable)
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DESCRIPTION

For disc brake carbon rims, it not only means simply removing the brake track, but also adjusting rim lay-up design to make it lighter so as to keep overall system weight competitive.

PRD25 series (ProX Road Disc 25mm width) carbon rims are made from Premium Toray T700 carbon fiber +  stable resin system, which is the basis for light weight.

In addition, we optimize the lay-up design, eliminate excessive materials to save weight, and add extra materials around spoke hole area for reinforcement.

Thus, our road carbon rims are light weight, but still strong and stiff.

PRD25 series carbon rims are with 25mm outer (18mm inner) width, with depth 30/38/45/50/60/80mm optional.

No matter you need shallow carbon rims for climbing or deep carbon rims for flat road riding, there is always one for you.

SPECIFICATION

ProX Road Disc 25mm Wide Carbon Clincher Rims 700C Tubeless Ready

Model  PRD25-30C PRD25-38C PRD25-45C PRD25-50C PRD25-60C PRD25-80C
Terrian(Recommended) Road Road Road Road Road Road
Material T700 T700 T700 T700 T700 T700
Weight(±15g) 380g 390g 420g 450g 520g 660g
Max Weight Limit 100kg/220lb 110kg/240lb 110kg/240lb 115kg/250lb 115kg/250lb 120kg/265lb
Depth 30mm 38mm 45mm 50mm 60mm 80mm
Sectional Drawing 30mm height disc brake carbon rim
 38mm height disc brake carbon rim
 45mm height disc brake carbon rim
 50mm height disc brake carbon rim
 60mm height disc brake carbon rim
 80mm height disc brake carbon rim
Outer Width 25mm 25mm 25mm 25mm 25mm 25mm
Inner Width 18mm 18mm 18mm 18mm 18mm 18mm
Rim Offset  0mm 0mm 0mm 0mm 0mm 0mm
ERD* 580mm 564mm 550mm 540mm 520mm 480mm
Rim Bead Hook Hook Hook Hook Hook Hook
Tire Type Tubeless or Clincher Tubeless or Clincher Tubeless or Clincher Tubeless or Clincher Tubeless or Clincher Tubeless or Clincher
Brake Type Disc Brake Disc Brake Disc Brake Disc Brake Disc Brake Disc Brake
Max Spoke Tension 130kgf  130kgf  130kgf  130kgf  130kgf  130kgf 
Max Tire Pressure 125psi/8.6bar 125psi/8.6bar 125psi/8.6bar 125psi/8.6bar 125psi/8.6bar 125psi/8.6bar
Tire Size(Recommended) 700*25-40C 700*25-40C 700*25-40C 700*25-40C 700*25-40C 700*25-40C


calculate the ERD of road rims

ERD*

Effective Rim Diameter (ERD) is the maximum distance that spokes need to bridge going from one end of the rim to another. How do we calculate the ERD of our rims? The corresponding equation and a drawing is as shown:

ERD=OD-(rim depth)*2+(rim thickness)*2

For example：

ERD of PRD25-30C rim=633mm-30mm*2+3.5mm*2=580mm

Most people prefer ERD including the length of the nipple cap. However, customers may use different nipples and components for building. Please add the height of the nipple cap(2.5mm~3mm generally) for your spoke calculation. If the height of the nipple cap is 3mm, then ERD of your PRD25-30C rim is 580mm+3mm*2=586mm


A: Rim nipple bed thickness (=3.5mm)

B: Length of nipple cap (2.5mm~3mm generally)

TECHNOLOGY
Carbon Fiber Material

Carbon Fiber Material

Premium Toray T700 carbon fiber are used in our carbon rims. 

Combining with stable resin system to make consistent quality and light weight carbon road bike rims.

Narrow Inner Width

Narrow Inner Width

Relatively narrow 18mm inner width, make it possible to fit mutiple sizes of tire.

Normally road tire size 700x25C and 700x28C are recommended (also fit other wider tires).

Aero U Shape

Aero U Shape

Wide U Shape carbon road rims are more aerodynamic than traditional V Shape road bike carbon rims. 

It is also of better stiffness and strength. 

Bead Lock

Bead Lock

There are small ridges on both side of rim channel called “bead lock”, which makes it easy for tubeless tire inflation.

Together with hooked bead to well lock the tire, prevent it from blowing out.

Tubeless Ready

Tubeless Ready

Tubeless tire is getting popular in carbon road bike wheels thanks to its better traction, lower rolling resistance and better riding comfort.

All our carbon clincher rims are tubeless ready (also fit normal tube tires).

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

Road Disc Brake

Road Disc Brake

Road disc brake provides more sensitive and precise braking performance than rim brake.

Carbon fiber road bike rims designed specifically for disc brake use, no brake track. No “burning rim” worries during braking.

Specific carbon prepreg lay-up design for disc brake rims, longer durability and lighter weight.

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.

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Contact Us
Xiamen ProX Carbon Technology Co., Ltd. set up factory in Xiamen City (Fujian Province, China) in 2010. At the beginning, we manufactured all kinds of customized carbon fiber products according to customers’ demand, including carbon bike rims, carbon tubes, carbon drone body shell, etc. Since 2012, we decided to focus on main products - carbon bike rims. In 2012, we built full range carbon road rims with 20.5mm width. In 2014, we built full range carbon road rims with 23mm width. In 2015, we built full range carbon road rims with 25mm width. In 2016, we introduced product line for BMX carbon rims, as well as fatbike carbon rims. In 2018, we introduced product line for MTB carbon rims (both symmetric and asymmetric design). During the same year, we set up wheel building workshop, and started to build carbon wheelset in-house. In 2019, we added 28mm width carbon road rims into our product line (both rim brake and disc brake). Besides, we created gravel carbon rims. During the same year (2019), LightCarbon (China leading carbon frame manufacturer) visited us. After several trial order for testing, they were very satisfied with our quality. Eventually, LightCarbon invested our facotry, and we build close business relationship. ProX supply carbon rims and carbon wheelset to LightCarbon, and LightCarbon supply carbon frameset and components to ProX. Since then, both ProX and LightCarbon are able to supply carbon rims, carbon wheels and carbon frameset, with same factory price. So it is convenient for customers to do one-stop purchasing. We are known and recognized by more and more brands, and have been selling our carbon rims/wheels/framesets to over 60 countries till 2023. ProX is always ready to supply you high quality carbon rims/wheels/frames, with fast delivery! Why Choose ProX? * More than 10 years’ experience in carbon rims developing and manufacturing. * More than 3,000M² plant area. * 50+ total staff, including 6 engineers, 40+ well-trained workers. * Already got 40+ utility and invention patent. * 4,000 pcs/month production capacity for carbon rims. * 1200 pairs/month production capacity for carbon wheelsets. * Our carbon rims are rigorously tested under international standard ISO4210. * Well selected hubs and spokes used to build wheelset, including DT Swiss, Powerway hubs, etc. Sapim, Pillar spokes, etc. * All wheelsets are hand built and trued by experienced mechanician. * Customized logo, painting or package is available. * We can also help to make new graphic design. * Private mould for rims and even hubs are also negotiable. * Good production management to ensure in-time delivery. * Fast response and good after-sale support.....     LEARN MORE >>  
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