• 29er Carbon MTB Rim, asymmetric design with 27mm internal width and 25mm profile, ideal for XC and trail riding.
  • 29er carbon MTB rim cross-section showing 27mm internal width and hookless bead profile
  • Hookless tubeless-ready carbon mountain bike rim detail for cross-country and trail use
  • 29er asymmetric carbon MTB rim with red Bola graphics, lightweight for XC racing
  • White-branded 29er carbon MTB rim, asymmetric design, 27mm internal width
  • Asymmetric 29er MTB rim, yellow Bola logo, 25mm profile for cross-country and trail performance
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Carbon Fiber Sporting Goods

29er Carbon MTB Rim, Asymmetric, 27mm Internal, 25mm Profile – XC/Trail

29er Carbon MTB Rim, Asymmetric, 27mm Internal, 25mm Profile – XC/Trail

$260.00 USD
$300.00 USD $260.00 USD
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29er Asymmetric Carbon MTB Rim – 27mm Internal, 25mm Profile

Answer: This 29-inch asymmetric carbon MTB rim, made from pre-impregnated T700/T800 carbon composite, features a 27mm internal width, 25mm profile height, and U-shape design for cross-country (XC) and trail use. Asymmetric rim construction reduces spoke tension imbalance, supporting greater wheel stiffness and spoke durability without additional weight.

Key Features & Specifications

  • Rim Size: 29er (622mm ETRTO)
  • Internal Width: 27mm
  • Profile Height: 25mm
  • Outer Width: 33mm
  • ERD: 589mm
  • Weight: Standard 415g ±15g / Superlight 325g ±10g
  • Spoke Hole Offset: 3mm asymmetric
  • Hookless, Tubeless Ready, ETRTO compliant
  • Compressive Strength: >300kg; Torsion Resistance: >50kg
  • Material: T700/T800 Carbon Fiber
  • Pressure Rating: 45–65 psi (tubeless), compatible with 2.1"–2.4" XC MTB tires
  • Custom drilling and finish options available (MOQ/lead time applies)
  • Certified to ETRTO standards and tubeless-ready spec

Comparison Table

Feature 29er Asymmetric Carbon Rim Standard Carbon Rim
Spoke Balance Asymmetric, reduces tension imbalance Symmetrical, increased dishing stress
Weight (29") 325g–415g 400g–500g
Int. Width 27mm 22–26mm
Use Case XC, Trail, Endurance General XC/Trail

FAQs

  • Q: What are the best 29er carbon rims for XC mountain biking?
    A: Rims with 25mm+ profile height, 27mm inner width, and asymmetric spoke hole design offer optimal stiffness, low weight, and longevity for XC use.
  • Q: Is a 27mm inner width carbon rim suitable for XC trail riding?
    A: Yes, 27mm supports common 2.1–2.4" XC tires, offering balance of traction and rolling speed.
  • Q: What advantages do asymmetric carbon rims offer?
    A: Asymmetric drilling improves spoke tension balance, reducing the risk of premature spoke failure and increasing wheel lateral stiffness.
  • Q: How does price compare to similar high-performance rims?
    A: Offered at competitive cost, meeting U.S./E.U. market norms for small brand and OEM use.
  • Q: Does the 25mm profile work for aggressive XC?
    A: 25mm rim height balances low weight and impact strength, supporting aggressive XC/race use. Higher profiles may benefit heavier or more aggressive riders, but with added weight.

Always verify compatibility with your hub model and intended tire size. Contact Bola Carbon for specific custom and warranty queries.

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