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Disc Brake 28mm Clincher Carbon Rims

/ProX 28mm Wide Disc Brake Carbon Clincher Rims Symmetric 700C Road Rim Tubeless Ready

carbon clincher rims
carbon clincher rims carbon clincher rims carbon clincher rims carbon clincher rims carbon clincher rims carbon clincher rims carbon clincher rims carbon clincher rims

ProX 28mm Wide Disc Brake Carbon Clincher Rims Symmetric 700C Road Rim Tubeless Ready

• Road disc brake carbon rims, 28mm width

• Carbon clincher rims (tubeless ready)

• 22/33/38/44/50/55mm depth optional

• Wide U shape design, more aero and stiff

• High quality, 2-year warranty

  • Brand:

    PROX

  • Item NO.:

    PRD28-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.

PRD28 series (ProX Road Disc 28mm width) carbon rims are made from Premium Toray T700+T800 carbon fiber, plus 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 carbon road rims are light weight, but still strong and stiff.

carbon road rims

PRD28 series carbon rims are with 28mm outer (21mm inner) width, with depth 22/33/38/44/50/55mm 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 28mm Wide Carbon Clincher Rims 700C Tubeless Ready

Model  PRD28-22C PRD28-33C PRD28-38C PRD28-44C PRD28-50C PRD28-55C
Terrian(Recommended) Road Road Road Road Road Road
Material T700+T800 T700+T800 T700+T800 T700+T800 T700+T800 T700+T800
Weight(±15g) 380g 400g 410g 430g 460g 480g
Max Weight Limit 90kg/198lb 105kg/230lb 105kg/230lb 110kg/240lb 115kg/250lb 115kg/250lb
Depth 22mm 33mm 38mm 44mm 50mm 55mm
Sectional Drawing
Outer Width 28mm 28mm 28mm 28mm 28mm 28mm
Inner Width 21mm 21mm 21mm 21mm 21mm 21mm
Rim Offset  0mm 0mm 0mm 0mm 0mm 0mm
ERD* 596mm 574mm 564mm 552mm 540mm 530mm
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*28C-45C 700*28C-45C 700*28C-45C 700*28C-45C 700*28C-45C 700*28C-45C


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 PRD28-22C rim=633mm-22mm*2+3.5mm*2=596mm

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 PRD28-22C rim is 596mm+3mm*2=602mm


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 + T800 carbon fiber are used in our carbon rims. 

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

Light Weight

Light Weight

By using well designed lay-up structure, mixing Toray T700 and T800 carbon prepreg, light weight carbon rims are created.

Excessive materials are eliminated to save weight, while extra materials are added around spoke hole for reinforcement.

So, light weight is achieved without compromise in strength or stiffness.

Wider Inner Width

Wider Inner Width

Wider 21mm inner width, optimized for increasingly popular 700x28C tires (also fit even wider tires).

Wider stance for tire, easy tire mounting and dismounting.

Better traction and cornering performance.

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 road bike carbon 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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