29 Inch Asymmetric Hookless Tubeless Carbon MTB Rim — 32 mm Inner Width, 23 mm Profile, 325–385 g (XC & AM)

Take confident lines and push harder on technical climbs with a rim engineered to balance weight, stiffness, and durability. The Bola 29" asymmetric carbon rim is tubeless-ready and available in two weight variants so you can choose the compromise between low rotational mass for XC racing and reinforced structure for all-mountain riding.

Bola 29 Inch Asymmetric Hookless Tubeless Carbon MTB Rim - Designed for XC and All-Mountain Riding

Riding on trails and mixed terrain becomes more composed when wheel tension, lateral stiffness, and tyre support are all optimised. This rim's asymmetric bed reduces drive/non-drive spoke tension differential for a more balanced, resilient wheel build, and the 32 mm internal width stabilises 2.3"–2.5" tyres for better traction and cornering at the recommended pressures.

The result is a ride that feels more planted and predictable: improved power transfer on climbs, reduced spoke fatigue over time, and enhanced traction through rough sections when paired with tubeless tyres set to the specified pressure range.

Why it fits your routine

• Purpose-built geometry: 29" diameter with a 23 mm profile and 32 mm inner width supports 2.3"–2.5" tyres for XC and AM use.
• Asymmetric advantage: Lateral offset of the spoke bed reduces tension differential between drive and non-drive sides, yielding a stiffer, longer-lasting wheel build and improved power transfer.
• Choice of weights: Standard at 385 ± 15 g or Superlight at 325 ± 10 g per rim so riders can prioritise durability or lower rotational mass.
• Hookless tubeless design: Uniform bead shelf and reduced mass; compatible with tubeless-rated tyres from major brands when used within 45–65 psi.
• Strength and tolerances: Forward compressive strength > 300 kg, lateral torsion resistance > 50 kg, spoke hole tension > 280 kg, flatness < 0.15 mm, roundness < 0.3 mm for consistent wheel behaviour.
• Precision build metrics: ERD 598 mm, outer width 38 mm, dynamic equilibrium imbalance < 3 g for reliable trueness and lacing consistency.
• Tire and rider guidance: Recommended operating tyre pressures 45–65 psi; maximum rider weight 100 kg for the specified use cases.
• Customization and OEM support: Spoke hole, valve and assembly hole diameters, nipple angles, and spoke counts are customizable for private-label or specific wheel builds.
• Warranty: Three-year manufacturer warranty covering structural defects under normal riding conditions.

Technical details include a U-shaped hookless rim profile, spoke hole diameter 4.5 mm (customizable), valve hole 6.5 mm (customizable), assembly hole 7.5 mm (customizable), and left/right nipple direction available at left 5° / right 7° settings. The Superlight option reduces weight by approximately 60 g per rim compared to the Standard variant, improving acceleration and climbing efficiency on race-oriented courses while the Standard rim prioritises additional structural margin for more aggressive trail and AM use.