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Carbon Fiber Sporting Goods

12-Inch Carbon Hookless Tubeless Rim for Kids Bikes, 25mm x 21mm, 90g

12-Inch Carbon Hookless Tubeless Rim for Kids Bikes, 25mm x 21mm, 90g

$120.00 USD
$300.00 USD $120.00 USD
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12-Inch Carbon Hookless Tubeless Rim for Children's Balance & Training Bikes

Summary: Lightweight (90g) 12-inch hookless tubeless carbon rim with a 25mm profile and 21mm internal width, purpose-built for kids balance and training bikes. Designed for reduced rotational mass and responsive handling for riders aged 2–5 years. Tested to EN14766/ISO4210 standards, supporting up to 100 kg rider load. Suitable for OEM and custom builds requiring dependable carbon rim performance at competitive pricing.

Key Specifications

  • Wheel Size: 12 inches (203mm BSD)
  • Profile Height: 25mm (U-section, hookless profile)
  • Internal Width: 21mm; Outer Width: 25mm
  • Weight: 90 ±10g per rim
  • ERD: 170mm
  • Material: Unidirectional Toray carbon fiber (T700/T800 mix)
  • Tubeless Compatibility: Yes – up to 65psi; suitable for tires rated for hookless carbon rims
  • Max Rider Weight: 100kg
  • Certifications: Tested to EN14766/ISO4210 standards

Comparison Table

Parameter This Model Typical Alloy
Material UD Carbon (T700/T800) 6061 Alloy
Weight 90g (±10g) 160g (±15g)
Tubeless Yes, Hookless Limited/No
Internal Width 21mm 18mm

FAQ

  • What is the recommended tire pressure for this rim?
    45–65 psi for most 12-inch kids tires rated for tubeless use on hookless rims. Always check tire manufacturer limits.
  • Are hookless tubeless rims safe for kids bikes?
    Yes, when used with tires specifically rated for hookless carbon rims and within recommended pressure limits, they are compliant with EN14766/ISO4210 safety standards.
  • Why choose a 21mm wide rim for children's bikes?
    Wider internal width increases tire volume, improving ride compliance and grip, while promoting stability at lower speeds for young riders.
  • Is this rim customizable for OEM builds?
    Yes – custom drilling and logo options available for small batch OEM partners.
  • What must be considered when selecting a lightweight carbon rim?
    Verify compatibility with tubeless-ready tires, age-appropriate weight capacity, and verified lab testing; consider ease of build and service support.

 

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