ProX 28mm Wide Tubular Carbon Rims 700C Road Bike Rims

• Road tubular carbon rims, 28mm width

• Both disc brake and rim brake available

• 22/33/38/44/50/55mm depth optional

• 28mm wide U shape design, more aero and stiff

• High quality, 2-year warranty

  • Item NO.:

    PR28-T
  • Payment:

    Paypal, Bank Transfer, West Union
  • Origin:

    China
  • Color:

    UD/3K/12K(Customized Decal Acceptable)
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-T series (ProX Road Disc-brake 28mm width Tubular) 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.

PRD28-T series disc-brake tubular carbon rims are with 28mm width, with depth 22/33/38/44/50/55mm optional.


For rim-brake carbon rims, it is important to havebrake track with high TG and faster heat elimination. 

PRV28-T series (ProX Road Rim-brake 28mm width Tubular) carbon rims are made from premium Toray T700 carbon fiber, plus stable resin system.

Such rims are designed with high TG 3K grooved brake track, which provides more friction, shorten about 30% braking distance, faster heat elimination.

PRV28-T series rim-brake tubular carbon rims are with 28mm width, with depth 33/38/44/50/55mm optional.

SPECIFICATION

ProX 28mm Wide Tubular Carbon Rims Super Light (Disc Brake)

Model  PRD28-22T-SL PRD28-33T-SL PRD28-38T-SL PRD28-44T-SL PRD28-50T-SL PRD28-55T-SL
Terrian(Recommended) Road Road Road Road Road Road
Material T700+T800 T700+T800 T700+T800 T700+T800 T700+T800 T700+T800
Weight(±15g) 300g 320g 330g 340g 360g 380g
Max Weight Limit 90kg/198lb 105kg/230lb 105kg/230lb 110kg/240lb 115kg/250lb 115kg/250lb
Depth 22mm 33mm 38mm 44mm 50mm 55mm
Sectional Drawing tubular 22mm deep tubular 33mm deep tubular 38mm deep tubular 44mm deep tubular 50mm deep tubular 55mm deep
Outer Width 28mm 28mm 28mm 28mm 28mm 28mm
Rim Offset  0mm 0mm 0mm 0mm 0mm 0mm
ERD* 596mm 574mm 564mm 552mm 540mm 530mm
Tire Type Tubular Tubular Tubular Tubular Tubular Tubular
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 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar
Tire Size(Recommended) 700*25C-35C 700*25C-35C 700*25C-35C 700*25C-35C 700*25C-35C 700*25C-35C


ProX 28mm Wide Tubular Carbon Rims (Rim-Brake)

Model  PRV28-33T PRV28-38T PRV28-44T PRV28-50T PRV28-55T
Terrian(Recommended) Road Road Road Road Road
Material T700 T700 T700 T700 T700
Weight(±15g) 350g 360g 370g 410g 420g
Max Weight Limit 105kg/230lb 105kg/230lb 110kg/240lb 115kg/250lb 115kg/250lb
Depth 33mm 38mm 44mm 50mm 55mm
Sectional Drawing tubular cross drawing 33mm depth rim brake tubular cross drawing 38mm depth rim brake tubular cross drawing 44mm depth rim brake tubular cross drawing 50mm depth rim brake tubular cross drawing 55mm depth rim brake
Outer Width 28mm 28mm 28mm 28mm 28mm
Rim Offset  0mm 0mm 0mm 0mm 0mm
ERD* 574mm 564mm 552mm 540mm 530mm
Tire Type Tubular Tubular Tubular Tubular Tubular
Brake Type Rim Brake Rim Brake Rim Brake Rim Brake Rim Brake
Max Spoke Tension 130kgf  130kgf  130kgf  130kgf  130kgf 
Max Tire Pressure 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar 120psi/8.2bar
Tire Size(Recommended) 700*25C-35C 700*25C-35C 700*25C-35C 700*25C-35C 700*25C-35C


calculate the ERD of road tubular 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 PRD28-22T-SL 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 PRD28-22T-SL 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.

Wide 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. 

Easy Tire Mounting

Easy Tire Mounting

Small groove in the middle of tire bed, make it easy for tubular glue to be applied on.

Once tubular glue is applied, tubular tire can be mounted easily, based on the precise diamter of our rim.

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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