Are 50mm carbon disc wheels suitable for both road racing and gravel riding?

Yes, the Bola ULT 50R features a 50mm rim depth with 21/24mm inner width, supporting 28–48mm tires. This enables aerodynamic benefits for road and the volume/flex needed for gravel and all-road use, matching multi-scenario needs highlighted in standards like ISO 4210-7.

What advantages do lightweight tubeless carbon wheels offer for competition?

A 1250g wheelset with tubeless setup reduces rotational mass and rolling resistance, improving acceleration, traction, and comfort—especially in long races or variable surface conditions. Tubeless setups also decrease puncture risk at lower pressures.

How does the weight compare to other high-performance options?

The Bola ULT 50R (1250g) is close to the leading carbon disc wheels in its segment. Full carbon spoke models (e.g., OVERFAST) are 100–200g lighter but often use proprietary parts and cost significantly more. The Bola ULT balances performance, cost, and reliability with mainstream replaceable components.

Which rim width works best for 28–48mm tires?

21mm internal accommodates 28–32mm tires with precise fit for road or light gravel, while the 24mm variant offers better support and volume for 35–48mm tires, optimizing stability and ride comfort.

What wheelset should I choose to improve acceleration and reduce rider fatigue?

The Bola ULT 50R's low 1250g weight, ceramic hub bearings, and aero Sapim CX-Ray spokes are engineered for responsive acceleration and long-term comfort, confirmed by rider reviews and comparative industry testing.

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Bola ULT 50G 700C Carbon DiscGravel Wheelset, 50mm Aero/Tubeless,34mm/36mm/38mm wide

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$698.00 USD

~~$780.00 USD~~ $698.00 USD

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Free shipping | VAT included in EU & USA

Rim Width(Ext/Int) 34/28 mm 36/30 mm 38/32 mm

Casstle Shimano HG Sram XDR Compy

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The Bola ULT 50G 700C Carbon Disc Gravel Wheelset

Key Features & Specs

Rim Material: Toray T800 unidirectional matte carbon fiber
Rim Depth: 50mm aerodynamic, mid-profile
Rim Widths: Internal 28mm 30mm or 32mm; External 34mm 36mm or 38mm
Wheel Size: 700C (622mm ETRTO)
Total Weight: 1285g (±2%) per set for 34mm and 36mm.1330g (±2%) per set for 38mm
Spokes: Sapim CX-Ray stainless steel, aero bladed
Hubs: BL180 alloy, TPI ceramic bearings, 54T ratchet driver
Tubeless Compatibility: Supports 28–50mm tubeless tires
Braking Interface: Disc brake, Center Lock mount
Certifications: ISO 4210-7 road safety standard, REACH-compliant materials
Warranty: 24 months manufacturer warranty

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Bola ULT 50G 700C Carbon DiscGravel Wheelset, 50mm Aero/Tubeless,34mm/36mm/38mm wide