# Bola ULT 50G 700C Carbon Gravel Disc Wheelset — 50mm Rim Depth, Tubeless Ready, 34–38mm External Width

The Bola ULT 50G 700C Carbon Disc Wheelset pairs Toray T800 unidirectional matte carbon construction with a 50mm aerodynamic rim profile, delivering a lightweight, stiff, and confidence-inspiring platform for gravel racing, mixed-terrain endurance rides, and road-to-gravel versatility. Engineered to balance aero performance with wide tire compatibility, these wheels are designed for riders seeking improved speed, stability, and tubeless flexibility at a competitive factory-direct price.

## Key Specifications

-   **Rim Material:** Toray T800 UD matte carbon fiber
-   **Rim Depth:** 50mm aerodynamic mid-profile
-   **Internal / External Widths:** Internal: 28 / 30 / 32mm; External: 34 / 36 / 38mm
-   **Wheel Size:** 700C (ETRTO 622mm)
-   **Total Weight (pair):** 1285g ±2% (34/36mm); 1330g ±2% (38mm)
-   **Spokes:** Sapim CX-Ray stainless steel, aero bladed
-   **Hub System:** BL180 alloy hubs with TPI ceramic bearings and 54T ratchet driver
-   **Braking Interface:** Center Lock disc brake compatible
-   **Tubeless:** Tubeless-ready, supports 28–50mm tires
-   **Certifications & Warranty:** ISO 4210-7, REACH-compliant, 24-month manufacturer warranty

## Performance & Use

The 50mm rim depth provides aerodynamic benefit without sacrificing handling on variable surfaces, while the broad internal widths enable stable sidewalls and optimal tire shaping for 28–50mm tubeless tires. The Sapim CX-Ray bladed spokes and ceramic-bearing BL180 hubs deliver a responsive ride feel and efficient power transfer, and the 54T ratchet engagement ensures reliable engagement for technical terrain and sprint efforts. Bola’s multi-stage quality control and included warranty position this wheelset as a cost-effective alternative to higher-priced factory models while retaining high-spec components.

## Details

- **Price:** 698.0 USD
- **Type:** Carbon Gravel & Road Disc Wheelset
- **Tags:** 30mm wide, 34mm wide, 36mm wide, 50mm, 50mm rim depth, 50mm rim depth wheelset, 700c, 700c bike wheels, 700C carbon disc wheelset, 700C carbon wheelset, 700C road bike wheels, aero carbon wheelset, aero gravel wheels, bola, bolacarbon, carbon, carbon disc brake wheels, carbon disc wheelset, carbon gravel wheelset, center lock, center lock disc brake wheels, center lock disc wheels, ceramic bearing hub, ceramic bearing hubs, disc, disc brake wheelset, gravel, gravel bike wheels, gravel racing wheels, gravel wheelset 1250g, https, lightweight carbon wheels, lightweight gravel wheels, lightweight road bike wheels, road, Sapim CX-Ray, Sapim CX-Ray spokes, Toray T800, Toray T800 carbon rim, tubeless, tubeless bike wheels, tubeless ready carbon wheels, tubeless ready wheels, tubeless-ready, type, ult, wheels, wheelset, wide rim carbon wheels

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 34/28 mm / Shimano HG / Black Bola | 698.00 USD | In stock |
| 34/28 mm / Shimano HG / White Bola | 698.00 USD | In stock |
| 34/28 mm / Shimano HG / Customized | 698.00 USD | In stock |
| 34/28 mm / Sram  XDR / Black Bola | 698.00 USD | In stock |
| 34/28 mm / Sram  XDR / White Bola | 698.00 USD | In stock |
| 34/28 mm / Sram  XDR / Customized | 698.00 USD | In stock |
| 34/28 mm / Compy / Black Bola | 698.00 USD | In stock |
| 34/28 mm / Compy / White Bola | 698.00 USD | In stock |
| 34/28 mm / Compy / Customized | 698.00 USD | In stock |
| 36/30 mm / Shimano HG / Black Bola | 698.00 USD | In stock |
| 36/30 mm / Shimano HG / White Bola | 698.00 USD | In stock |
| 36/30 mm / Shimano HG / Customized | 698.00 USD | In stock |
| 36/30 mm / Sram  XDR / Black Bola | 698.00 USD | In stock |
| 36/30 mm / Sram  XDR / White Bola | 698.00 USD | In stock |
| 36/30 mm / Sram  XDR / Customized | 698.00 USD | In stock |
| 36/30 mm / Compy / Black Bola | 698.00 USD | In stock |
| 36/30 mm / Compy / White Bola | 698.00 USD | In stock |
| 36/30 mm / Compy / Customized | 698.00 USD | In stock |
| 38/32 mm / Shimano HG / Black Bola | 698.00 USD | In stock |
| 38/32 mm / Shimano HG / White Bola | 698.00 USD | In stock |
| 38/32 mm / Shimano HG / Customized | 698.00 USD | In stock |
| 38/32 mm / Sram  XDR / Black Bola | 698.00 USD | In stock |
| 38/32 mm / Sram  XDR / White Bola | 698.00 USD | In stock |
| 38/32 mm / Sram  XDR / Customized | 698.00 USD | In stock |
| 38/32 mm / Compy / Black Bola | 698.00 USD | In stock |
| 38/32 mm / Compy / White Bola | 698.00 USD | In stock |
| 38/32 mm / Compy / Customized | 698.00 USD | In stock |

## Images

- Bola ULT 50R 700C Carbon Disc Wheelset – 50mm, 21/24mm Inner, Tubeless Ready, 1250g Carbon Fiber Sporting Goods
- Bola ULT 50R 700C Carbon Disc Wheelset – 50mm, 21/24mm Inner, Tubeless Ready, 1250g Carbon Fiber Sporting Goods
- Bola ULT 50R 700C Carbon Disc Wheelset – 50mm, 21/24mm Inner, Tubeless Ready, 1250g Carbon Fiber Sporting Goods

## Additional Information

- **Product rating count:** 5
- **Related products settings:** ahead
- **AI Summary:** The Bola ULT 50G 700C Carbon Disc Gravel Wheelset is a Toray T800 carbon wheelset for riders who race gravel, cover long mixed-terrain distances, or want aerodynamic support for endurance road riding. Its 50mm profile, wide rim options, and tubeless-ready design suit riders balancing speed with broad tire-fit flexibility.
- **Hub Model:** BL 100 54T
- **Rim Depth (mm):** 50
- **Rim Width (mm, external):** 34
- **Wheelset Weight (grams):** 1285
- **Spoke:** Sapim CX Ray
- **Bearing:** TPI Ceramic

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> Source: [Bola Carbon Wheelset ](https://bolacarbon.com/products/bola-ult-50g-700c-carbon-gravel-wheelset)
> Updated: 2026-08-02