# Bola EXT 45R 700C Carbon Disc Wheelset — 45mm Rim, Hyper Carbon Spokes, TPI Ceramic Hub Take a mixed-surface weekend ride that moves from smooth tarmac to rougher backroads without swapping wheels. The Bola EXT 45R 700C Carbon Disc Wheelset is built for riders who want lightweight acceleration on climbs, stable high-speed rolling on flats, and confidence when the pavement gives way to packed gravel. ## Bola EXT 45R 700C Carbon Disc Wheelset - Designed for versatile road and gravel riding Riders feel the difference when rotational mass is reduced and hubs engage quickly: this pair weighs 1170g and pairs a 45mm deep T800 UD matte carbon rim with Hyper carbon aero-profile spokes and a high-engagement 54T ratchet ceramic-bearing hub. The result is responsive acceleration, steady cruising, and predictable handling across mixed terrain. ### Why it fits your routine - **Balanced depth for mixed conditions:** The 45mm rim depth provides aerodynamic benefit on open roads while remaining stable and manageable on gravel sections. - **Optimized internal widths:** 21/24mm internal rim widths support 28–32c tubeless-ready tires for a wide range of road and light-gravel setups. - **Lightweight construction:** A 1170g pair reduces rotational mass to help with quick accelerations and efficient climbing without sacrificing durability. - **Durable, high-quality materials:** T800 UD matte carbon rims and Hyper carbon spokes deliver stiffness and aerodynamic shaping with an emphasis on longevity. - **High-engagement hub system:** The BL180 CNC aluminum hub with a 54T ratchet and TPI ceramic bearings offers rapid engagement and efficient power transfer for responsive ride feel. - **Tubeless ready for versatility:** Full tubeless compatibility allows lower pressures for improved comfort and traction on rough surfaces while reducing puncture risk. - **Safety and compliance:** ISO 4210-7 certification and REACH compliance underline manufacturing standards and reliability for long-term use. - **Warranty and support:** A 24-month limited warranty covers manufacturing defects in rims, hubs, and spokes, backed by after-sales support suitable for both retail customers and wholesale partners. - **B2B-friendly options:** OEM/ODM customization is available for retailers and brands requiring custom logos, finishes, or production-scale adaptations. This wheelset pairs practical, rideable rim depth with a modern carbon hub and spoke system for riders who demand performance across varied road and gravel conditions while retaining warranty-backed durability and industry-standard certifications. ## Details - **Price:** 1111.0 USD - **Type:** Carbon Road & Gravel Disc Wheelsets - **Tags:** 28mm wide, 30mm wide, 45mm, 700c, 700C carbon wheelset, 700C wheels, 700C wheelset, aero carbon road wheels, aero carbon spoke wheelset, bola, bolacarbon, carbon, carbon disc brake wheels, carbon disc wheelset, carbon spokes, carbon spokes wheelset, carbon wheelset, ceramic, ceramic hub, ceramic hub wheelset, disc, disc brake wheelset, gravel carbon wheels, https, hyper, ISO 4210-7, lightweight bike wheels, name, OEM ODM carbon wheels, performance bike upgrade, price, road, road and gravel cycling, road gravel wheel upgrade, spokes, T800 carbon wheels, tubeless, tubeless ready carbon wheels, tubeless ready wheels, type, wheels, wheelset ## Variants | Variant | Price | Available | |---------|-------|-----------| | 30/24mm / Shimano HG / Black Bola | 1111.00 USD | In stock | | 30/24mm / Shimano HG / White Bola | 1111.00 USD | In stock | | 30/24mm / Shimano HG / Customized | 1111.00 USD | In stock | | 30/24mm / Sram XDR / Black Bola | 1111.00 USD | In stock | | 30/24mm / Sram XDR / White Bola | 1111.00 USD | In stock | | 30/24mm / Sram XDR / Customized | 1111.00 USD | In stock | | 30/24mm / Compy / Black Bola | 1111.00 USD | In stock | | 30/24mm / Compy / White Bola | 1111.00 USD | In stock | | 30/24mm / Compy / Customized | 1111.00 USD | In stock | | 28/21mm / Shimano HG / Black Bola | 1111.00 USD | In stock | | 28/21mm / Shimano HG / White Bola | 1111.00 USD | In stock | | 28/21mm / Shimano HG / Customized | 1111.00 USD | In stock | | 28/21mm / Sram XDR / Black Bola | 1111.00 USD | In stock | | 28/21mm / Sram XDR / White Bola | 1111.00 USD | In stock | | 28/21mm / Sram XDR / Customized | 1111.00 USD | In stock | | 28/21mm / Compy / Black Bola | 1111.00 USD | In stock | | 28/21mm / Compy / White Bola | 1111.00 USD | In stock | | 28/21mm / Compy / Customized | 1111.00 USD | In stock | ## Images - Bola EXT 40R 700C Carbon Disc Wheelset – 40mm, Aero Carbon Spokes, 1170g, Ceramic Hub Carbon Fiber Sporting Goods - Bola EXT 40R 700C Carbon Disc Wheelset – 40mm, Aero Carbon Spokes, 1170g, Ceramic Hub Carbon Fiber Sporting Goods - Bola EXT 40R 700C Carbon Disc Wheelset – 40mm, Aero Carbon Spokes, 1170g, Ceramic Hub Carbon Fiber Sporting Goods ## Additional Information - **Product rating count:** 2 - **Search product boosts:** Rim Depth: 45mm aero profile for optimized speed and stability, Rim Material: Toray T800 UD matte carbon fiber, tubeless-ready, Internal/External Width: 21/24mm for modern 28-32c tire fitment, Spokes: Hyper carbon, aero bladed for improved stiffness and reduced drag, Hub System: BL 180 54T CNC aluminum hub with TPI ceramic bearings, Certified Standards: ISO 4210-7 safety, REACH environmental compliance, Complete Weight (pair): 1170g, Brake Compatibility: Disc only, Max Recommended Rider Weight: 100kg, Warranty: 2-year global coverage for individual and B2B buyers - **Related products settings:** ahead - **AI Summary:** The Bola EXT 45R 700C Carbon Disc Wheelset is a T800 UD carbon wheelset for cyclists seeking one setup for road riding, gravel routes, training, and racing. Its 45 mm rim profile, 1170 g pair weight, tubeless-ready construction, and ceramic-bearing ratchet hub suit enthusiasts who want a lightweight upgrade for mixed-surface riding. - **Hub Model:** BL 180 54T - **Rim Depth (mm):** 45 - **Rim Width (mm, external):** 30 - **Wheelset Weight (grams):** 1170 - **Spoke:** carbon spokes - **Bearing:** TPI Ceramic --- > Source: [Bola Carbon Wheelset ](https://bolacarbon.com/products/bola-ext-45r-700c-carbon-wheelset) > Updated: 2026-08-02