• 38mm Tubular Carbon Rim 700C, disc brake, 25mm wide, lightweight at 350g, featuring a sleek black finish.
  • Cross-sectional diagram, 38mm tubular carbon rim, 700C, 25mm outer width, disc brake compatible
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  • Tubular carbon rim 700C 38mm profile, internal reinforcement strip, disc brake compatible
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Carbon Fiber Sporting Goods

38mm Tubular Carbon Rim 700C, Disc Brake, 25mm Wide, 350g

38mm Tubular Carbon Rim 700C, Disc Brake, 25mm Wide, 350g

$260.00 USD
$260.00 USD $260.00 USD
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🚚 预计发货：3天内

38mm Tubular Carbon Rim – 700C, Disc Brake, 25mm Wide

Lead answer: Lightweight 38mm tubular carbon rim for disc brake road, gravel, and climbing setups, verified at 350g (±15g). Features 25mm outer/18mm inner width, U-shape profile, and custom hole options. Designed for competitive cyclists needing reliable, high-performance carbon fiber for custom wheel builds.

Technical Specifications

Parameter Value
Rim Depth 38mm (U-shape)
Diameter 700C
Outer Width 25mm
Inner Width 18mm
ERD 564mm
Weight 350g ±15g
Tire Compatibility Tubular only
Brake Compatibility Disc brake (no brake track)
Material Carbon Fiber (UD or 3K finish)
Valve Hole 6.5mm (customizable)
Spoke Hole 4.5mm (customizable)
Assembly Hole 7.5mm (customizable)
Nipple Direction Front: 7°, Rear: 5° / 7° (customizable)
Max Rider Weight 100kg
Tire Pressure Range 100–125 psi

Applications

  • Disc brake road, gravel, and climbing builds
  • Lightweight custom wheelsets for professional and endurance cyclists
  • Compatible with frames supporting 700C / 25mm wide tubular rims

Frequently Asked Questions

  • Are 38mm carbon rims good for climbing?
    Yes, this 38mm profile balances aerodynamic benefit and low weight (350g), suitable for climbs as well as general riding. Shallower rims may offer lighter weight but less aero performance.
  • What is the difference between tubular and clincher rims for disc brake bikes?
    Tubular rims require tubular tires; preferred for racing due to lower weight. Clincher rims use standard clincher tires and inner tubes. This product is tubular-specific.
  • Are 25mm wide carbon rims compatible with most disc brake frames?
    Yes, most modern disc brake road and gravel frames are designed for up to 28mm+ tires on 25mm outer-width rims.
  • What certifications or standards does this rim meet?
    Manufactured to ISO 4210 standards with control for spoke tension (>280kg) and radial flatness (<0.15mm).

Designed and tested by an experienced carbon rim manufacturer for cycling brands, teams, and custom wheel builders in Europe and North America. Our commitment: quality, performance, customization, and sustainable practices.

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