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Aro de MTB para descenso BOLA 29er de carbono | 40mm de ancho, 32mm interno

Aro de MTB para descenso BOLA 29er de carbono | 40mm de ancho, 32mm interno

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Precio habitual $430.00 USD
Precio de oferta $430.00 USD
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Llanta de carbono para descenso Bola 29er: una llanta de MTB hookless de 30 mm de profundidad, 40 mm de ancho exterior / 32 mm de interior, ~620 g, T700/T800, para enduro y gravity en bicicletas de 29 pulgadas.

El centinela de 29 pulgadas del bike park: una llanta ancha y hookless que mantiene la trazada en descensos difíciles y se niega a ceder ante el castigo constante.

Guía de compra.

Ancho interno - 32 mm: Neumáticos de enduro de 2.3-2.6 pulgadas a ~20-30 PSI para mayor tracción y resistencia a la rodadura en descensos difíciles.

Estilo de conducción: una llanta de gravity de 29er pesada y rígida para descenso, enduro, freeride y bike park; no apta para XC, carretera o bikepacking.

Elección de montaje: el perfil hookless requiere neumáticos compatibles con llantas hookless; las numerosas opciones de perforación se adaptan a los estándares habituales de bujes de MTB.

Comparativa de gama: la llanta DH de 27.5 ($430) es la versión para ruedas más pequeñas; la llanta de enduro de 29er y 34 mm ($310) es una opción de trail más ligera.

Solo montajes para disco; respete el límite de peso del sistema.

Público objetivo y notas de uso.

Ciclistas de descenso, enduro, freeride y trail agresivo en bicicletas de 29 pulgadas.

Solo para disco; ejes delanteros 15x100/20x110, traseros 12x148/12x150. Neumáticos compatibles con hookless de 2.0-2.6 pulgadas. 110 kg de peso del sistema.

La experiencia que te espera.

Montada como tubeless con un neumático de 2.4 pulgadas, se siente firme y a prueba de bombas en descensos difíciles y llenos de raíces; el ancho perfil hookless fija la carcasa, para que puedas lanzarte con confianza en el aterrizaje.

Apúntala hacia abajo y disfruta.

Envío gratuito y garantía de 3 años en la llanta respaldan el montaje.

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  • Material: Toray UD Carbon Fiber
  • Rim depth: 30mm
  • External width: 40mm
  • Internal width: 32mm
  • Size: 29 inch
  • Profile: Hookless
  • Weight Tier: 620g
  • Max Tire Pressure: 65
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  • Stiffness vs Compliance: This rim prioritizes lateral stiffness (≥8N/mm) for precise handling at high speeds, sacrificing some vertical compliance for comfort on rough trails.
  • Tire Volume vs Speed: Wide 32mm inner width supports 2.0–2.6" tires for enhanced traction and lower pressures, but reduces aerodynamic efficiency compared to narrower rims.
  • Weight vs Durability: 620g weight is heavier than XC rims, but the T700/T800 carbon layup and impact strength >40J ensure durability for downhill abuse.
  • Versatility vs Specialization: Designed specifically for downhill and enduro, it excels in aggressive terrain but is not suitable for XC or road riding.
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  • Fatigue Test: 750,000 cycles @640N (ISO 4210-7 Annex A, informative only)
  • Impact Resistance: >60J (ISO 4210-7 reference)
  • Flatness: <0.15mm (internal QC)
  • Roundness: <0.3mm (internal QC)
  • Max Spoke Tension: >350kg (internal QC)
  • Ultimate Strength: >350kg (internal QC)
  • Dynamic Equilibrium: <3g (internal QC)
  • Radial Stiffness: 90–110 N/mm (internal lab)
  • Lateral Stiffness: >=10N/mm
  • Max System Weight: 110 kgs
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  • Downhill Racing: Excellent. Designed for aggressive downhill with high impact strength and wide tire support.
  • Enduro / Gravity Riding: Excellent. Suitable for enduro and gravity-focused riding, offering stability and durability.
  • Aggressive Trail Riding: Good. Can handle rough trails but a bit heavy for general trail use.
  • Freeride / Bike Park: Excellent. Built for jumps and drops with strong carbon layup.
  • Cross-Country / Climbing: Not recommended. Too heavy and wide for XC efficiency.
  • Not Recommended For: Road or gravel riding due to MTB-specific width and profile.
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  • Frame Compatibility: 29er MTB frames with standard width axles (front 15x100/20x110, rear 12x148/12x150)
  • Tire Type: Tubeless-ready with hookless bead, compatible with tube-type tires as well
  • Tire Width Range: 2.0–2.6" (recommended)
  • Brake Standard: Disc brake only
  • Drivetrain: Compatible with any drivetrain that matches the hub standards
  • Rotor Standard: Compatible with standard 6-bolt or centerlock depending on hub
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Bola 29er Carbon Rim N/A N/A N/A 620g 30mm 32mm see store
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How to set up tubeless on this rim?

Use tubeless tape designed for hookless rims, apply 2 layers of tape covering the center channel, then install a tubeless valve (6.5mm Presta hole) and mount a tubeless-ready tire. Inflate to seat the bead; recommended tire pressure is typically 20-30 psi depending on rider weight and terrain. Check for leaks with soapy water.

What tire widths are compatible?

This rim is designed for 2.0–2.6" MTB tires. The 32mm inner width provides a stable platform for larger volume tires, improving traction and reducing tire roll. Wider tires up to 2.6" are ideal for downhill, while narrower 2.0" tires can be used for less aggressive riding.

How much weight can I save compared to alloy rims?

A typical alloy DH rim weights around 900-1000g, so this carbon rim can save approximately 280-380g per wheel. The exact savings depend on the alloy rim's weight and construction. This reduction in rotational mass improves acceleration and handling.

Can I build this rim with any hub?

Yes, the rim is drilled for 28 spokes and has an ERD of 579mm, compatible with standard J-bend or straight-pull spokes. It fits common hub standards (15x100/20x110 front, 12x148/12x150 rear) but the hub flange size must match the spoke length. Custom-built wheel options are available.

How to maintain and inspect carbon rims for damage?

Regularly inspect for cracks, delamination, or impact damage, especially after hard rides. Use a coin tap test to listen for hollow or dull sounds. Check spoke tension and true the wheel periodically. Avoid excessive heat from rim brakes (use disc brakes). Store away from direct sunlight and extreme temperatures.

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