# Bola SL 38RB Carbon Tubular Road Wheelset for Rim Brake — DT Swiss 350, Sapim CX-Ray, 700C, 38mm x 25mm Attack a rolling stage, survive a long endurance ride, or sprint out of a technical criterium corner with a wheelset tuned for racing responsiveness. The Bola SL 38RB pairs a shallow, race-oriented rim depth with extremely low rotating mass so you feel every change in pace and terrain with direct control. ## Bola SL 38RB Carbon Tubular Road Wheelset - Designed for competitive road racing The 38mm-deep, 25mm-wide high-modulus carbon rim gives a blend of aerodynamic benefit and nimble handling suited to mixed parcours. At approximately 1,190g per pair (±20g), the set reduces rotational weight to improve acceleration and climbing response while the machined braking surface supports reliable rim-brake modulation. Riders who demand precision and predictable behavior will appreciate the hand-built construction and component choices that prioritize serviceability and long-term performance under race conditions. ### Why it fits your routine - **Balanced race geometry:** 38mm depth offers aerodynamic gains on flats while remaining light enough for steep climbs, making these wheels versatile across road races, criteriums, and endurance events. - **Lightweight build:** At 1,190g per set (±20g) the reduced rotational mass improves acceleration and lowers rider fatigue over long distances. - **Premium hubs:** DT Swiss 350 hubs (100mm front / 130mm rear) use sealed cartridge bearings and are supported by a wide global service network for easier maintenance. - **Aero, durable spokes:** Sapim CX-Ray bladed stainless spokes combine tensile strength, fatigue resistance, and aerodynamic advantage in a pro-level lacing pattern (20F radial / 24R; 2x drive, radial non-drive). - **Tubular tire fit:** High-modulus carbon tubular rims designed for glued tubular tires provide a supple ride quality favored by many racers and pro teams. - **Hand-built precision:** Each wheelset is trued and tensioned by hand to ensure spoke balance, long-term trueness, and straightforward serviceability. - **Race-legal and safety tested:** Certified to EN14781 and ISO 4210 fatigue testing and accepted for UCI road racing, with a maximum rider weight rating of 100kg. - **Rim-brake compatibility:** Machined brake track for rim calipers provides consistent braking feel when maintained with recommended cleaning practices. - **Service lifecycle:** Component selection and hand-built assembly support predictable maintenance intervals and access to replacement parts over the wheelset lifetime. Technical highlights: 700C tubular fit, 38mm rim depth / 25mm external width, DT Swiss 350 hubs (100x130mm), Sapim CX-Ray spokes in a mixed radial and 2x drive pattern, rim brake with machined track, hand-built construction, set weight ~1,190g ±20g, EN14781 and ISO 4210 certified, UCI legal, and maximum rider weight 100kg. ## Details - **Price:** 860.0 USD - **Type:** High-Performance Carbon Road Wheelsets - **Tags:** 25mm wide, 38mm, 38mm carbon tubular wheelset, aero wheelset, carbon road wheelset, carbon tubular wheelset, climbing wheelset, competitive road cycling, DT Swiss, DT Swiss 350, DT Swiss 350 road wheels, DT Swiss 350 wheelset, DT Swiss 350s hub, hand built carbon wheels, hand-built, lightweight climbing wheels, lightweight race wheels, rim brake, rim brake carbon wheelset, rim brake wheelset, road, road racing wheelset, Sapim CX-Ray, tubular, tubular road wheels, UCI legal wheels, wheels, wheelset ## Variants | Variant | Price | Available | |---------|-------|-----------| | UD Matt / Shimano HG / Black Bola | 860.00 USD | In stock | | UD Matt / Shimano HG / White Bola | 860.00 USD | In stock | | UD Matt / Shimano HG / Customized | 860.00 USD | In stock | | UD Matt / Sram XDR / Black Bola | 860.00 USD | In stock | | UD Matt / Sram XDR / White Bola | 860.00 USD | In stock | | UD Matt / Sram XDR / Customized | 860.00 USD | In stock | | UD Matt / Compy / Black Bola | 860.00 USD | In stock | | UD Matt / Compy / White Bola | 860.00 USD | In stock | | UD Matt / Compy / Customized | 860.00 USD | In stock | | UD Glossy / Shimano HG / Black Bola | 860.00 USD | In stock | | UD Glossy / Shimano HG / White Bola | 860.00 USD | In stock | | UD Glossy / Shimano HG / Customized | 860.00 USD | In stock | | UD Glossy / Sram XDR / Black Bola | 860.00 USD | In stock | | UD Glossy / Sram XDR / White Bola | 860.00 USD | In stock | | UD Glossy / Sram XDR / Customized | 860.00 USD | In stock | | UD Glossy / Compy / Black Bola | 860.00 USD | In stock | | UD Glossy / Compy / White Bola | 860.00 USD | In stock | | UD Glossy / Compy / Customized | 860.00 USD | In stock | | 3K Matt / Shimano HG / Black Bola | 860.00 USD | In stock | | 3K Matt / Shimano HG / White Bola | 860.00 USD | In stock | | 3K Matt / Shimano HG / Customized | 860.00 USD | In stock | | 3K Matt / Sram XDR / Black Bola | 860.00 USD | In stock | | 3K Matt / Sram XDR / White Bola | 860.00 USD | In stock | | 3K Matt / Sram XDR / Customized | 860.00 USD | In stock | | 3K Matt / Compy / Black Bola | 860.00 USD | In stock | | 3K Matt / Compy / White Bola | 860.00 USD | In stock | | 3K Matt / Compy / Customized | 860.00 USD | In stock | | 3K Glossy / Shimano HG / Black Bola | 860.00 USD | In stock | | 3K Glossy / Shimano HG / White Bola | 860.00 USD | In stock | | 3K Glossy / Shimano HG / Customized | 860.00 USD | In stock | | 3K Glossy / Sram XDR / Black Bola | 860.00 USD | In stock | | 3K Glossy / Sram XDR / White Bola | 860.00 USD | In stock | | 3K Glossy / Sram XDR / Customized | 860.00 USD | In stock | | 3K Glossy / Compy / Black Bola | 860.00 USD | In stock | | 3K Glossy / Compy / White Bola | 860.00 USD | In stock | | 3K Glossy / Compy / Customized | 860.00 USD | In stock | ## Images - 38mm Carbon Tubular Road Wheelset featuring DT Swiss 350 hubs, CX-Ray spokes, 700C size, and 25mm rim brake compatibility. - 38mm Carbon Tubular Road Wheelset featuring DT Swiss 350 hubs, CX-Ray spokes, and 25mm rim brake design. - 38mm Carbon Tubular Road Wheelset featuring DT Swiss 350 hubs, CX-Ray spokes, 700C size, and 25mm rim brake compatibility. ## Additional Information - **Product rating count:** 1 - **Related products settings:** ahead - **AI Summary:** The Bola SL 38RB Carbon Tubular Road Wheelset is a hand-built carbon wheelset for competitive road cyclists using tubular tires and rim brakes, designed for racing on mixed terrain where climbing response and aerodynamic efficiency both matter. It is suited to riders who value a serviceable race-oriented build. - **Hub Model:** DT Swiss 350s - **Rim Depth (mm):** 38 - **Rim Width (mm, external):** 25 - **Wheelset Weight (grams):** 1190 - **Spoke:** Sapim CX Ray - **Bearing:** DT Steel --- > Source: [Bola Carbon Wheelset ](https://bolacarbon.com/products/bola-sl-38rb-carbon-tubular-wheelset) > Updated: 2026-08-02