# 700C Carbon Gravel and Road Rim, 45mm Asymmetric, 24-25mm Internal Width, Tubeless Disc Brake This **700C 45 mm Asymmetric Carbon Gravel & Road Disc Rim** is a premium aftermarket carbon rim targeted for DIY wheel builders, bike mechanics, custom project builds and riders seeking replacement rims for damaged factory wheels. Optimized for disc‑brake gravel, all‑road and cyclocross bikes, this asymmetric‑offset carbon rim balances aerodynamic speed, improved spoke‑tension equalization, wide‑volume tubeless capability and reliable off‑road impact resistance. Built for cyclists who want to assemble their own custom wheels using their preferred hubs and spokes, delivering pro‑level rim performance without complete pre‑built‑wheels markup. Manufactured with blended **unidirectional plus woven carbon‑fiber laminate**, this 45 mm mid‑depth V‑section asymmetric rim solves one key pain‑point of disc‑brake wheel construction: disc‑side and drive‑side spoke‑length mismatch. The asymmetric offset redistributes rim material to balance spoke tension left‑to‑right, boosting overall wheel trueness, long‑term durability and lateral stiffness once laced. Available in multiple weight tiers ranging **360‑435g (±10g per rim)**, you can select lighter weight for road‑racing builds or a slightly heavier variant for gravel‑heavy abuse. Rim geometry: **30 mm external width,** with choice of **24 mm or 25 mm internal bed**. 24 mm hooked internal: optimized for 27‑42 c tires, perfect for endurance road, fast gravel racing 25 mm hookless internal: optimized for 29‑42 c large‑volume gravel / cyclocross rubber Fully **tubeless‑ready out‑of‑box**, equipped with integrated bead‑lock shelf and accepts standard 6.5 mm tubeless valves. It supports both tubeless setups and traditional tube‑type clincher tyres, giving maximum flexibility for your build. Compatible with both **Center‑Lock and 6‑bolt disc rotor standards**, so it works with nearly any modern disc‑brake hub on the market. Rigorously validated against **ISO 4210 cycling safety standards**, passing compression, torsion and 750 000‑cycle fatigue testing alongside >40 J impact‑resistance benchmark. Strict internal QC inspects flatness, roundness, spoke‑hole concentricity and maximum spoke‑tension rating >300 kg, giving builders consistent, reliable raw rim stock for hand‑built wheels. **Quick Buyer Insight**: This listing is for **single rim only (hubs, spokes, nipples sold separately)**. Best for DIY wheel‑builders, replacing one damaged rim, or building a pair from scratch. Asymmetric profile greatly improves spoke‑tension balance on disc‑brake wheels vs standard symmetric rims. Not a complete wheelset. **Performance & Use** The 700C Carbon Gravel/Cyclocross Rim offers an ideal balance of strength and weight, combining advanced carbon fiber materials that reduce overall rim weight to between 360 and 435 grams. This lightweight design enhances your bike's acceleration and handling without compromising durability on rough gravel or cyclocross terrains. The asymmetric carbon lay‑up equalizes spoke tension after lacing, minimizing wheel‑truing drift over long‑term use. With a 45 mm rim depth, this 700C carbon rim is engineered to provide excellent aerodynamic performance while maintaining stability in crosswinds. This optimal depth supports effective power transfer and handling control, especially on mixed surfaces common in gravel and cyclocross riding. Riders benefit from improved speed and efficiency, as the rim profile balances wind resistance and stiffness to enhance overall ride quality on varied terrain. The rim supports a tubeless setup with an internal width of 24mm(hook) or 25 mm(hookless), allowing for better tire seating and increased tire volume. This design improves traction and comfort by enabling lower tire pressures, crucial for gravel and off‑road cycling.Tubeless technology reduces the risk of punctures and adds to the rim's versatility across different tire selections, making it a practical upgrade for DIY builders optimizing their bike’s performance in challenging conditions. ## Details - **Price:** 310.0 USD - 340.0 USD - **Type:** Carbon Bicycle Rim - **Tags:** 30mm wide, 45mm carbon rim, 700c, 700C Carbon Rim, asymmetric bicycle rim, bolacarbon, carbon, carbon gravel rim, Cyclocross Rim, disc brake rim, gravel, Gravel Bike Rim, https, Lightweight Carbon Rim, rims, road bike rim, Tubeless Bike Rim, type, wide tire rim ## Variants | Variant | Price | Available | |---------|-------|-----------| | UD Matt / 20/20 / Standard | 310.00 USD | In stock | | UD Matt / 20/20 / Superlight | 320.00 USD | In stock | | UD Matt / 20/20 / Ultralight | 330.00 USD | In stock | | UD Matt / 20/20 / Extremelight | 340.00 USD | In stock | | UD Matt / 24/24 / Standard | 310.00 USD | In stock | | UD Matt / 24/24 / Superlight | 320.00 USD | In stock | | UD Matt / 24/24 / Ultralight | 330.00 USD | In stock | | UD Matt / 24/24 / Extremelight | 340.00 USD | In stock | | UD Matt / Customs / Standard | 310.00 USD | In stock | | UD Matt / Customs / Superlight | 320.00 USD | In stock | | UD Matt / Customs / Ultralight | 330.00 USD | In stock | | UD Matt / Customs / Extremelight | 340.00 USD | In stock | | UD Glossy / 20/20 / Standard | 310.00 USD | In stock | | UD Glossy / 20/20 / Superlight | 320.00 USD | In stock | | UD Glossy / 20/20 / Ultralight | 330.00 USD | In stock | | UD Glossy / 20/20 / Extremelight | 340.00 USD | In stock | | UD Glossy / 24/24 / Standard | 310.00 USD | In stock | | UD Glossy / 24/24 / Superlight | 320.00 USD | In stock | | UD Glossy / 24/24 / Ultralight | 330.00 USD | In stock | | UD Glossy / 24/24 / Extremelight | 340.00 USD | In stock | | UD Glossy / Customs / Standard | 310.00 USD | In stock | | UD Glossy / Customs / Superlight | 320.00 USD | In stock | | UD Glossy / Customs / Ultralight | 330.00 USD | In stock | | UD Glossy / Customs / Extremelight | 340.00 USD | In stock | | Marble Matt / 20/20 / Standard | 310.00 USD | In stock | | Marble Matt / 20/20 / Superlight | 320.00 USD | In stock | | Marble Matt / 20/20 / Ultralight | 330.00 USD | In stock | | Marble Matt / 20/20 / Extremelight | 340.00 USD | In stock | | Marble Matt / 24/24 / Standard | 310.00 USD | In stock | | Marble Matt / 24/24 / Superlight | 320.00 USD | In stock | | Marble Matt / 24/24 / Ultralight | 330.00 USD | In stock | | Marble Matt / 24/24 / Extremelight | 340.00 USD | In stock | | Marble Matt / Customs / Standard | 310.00 USD | In stock | | Marble Matt / Customs / Superlight | 320.00 USD | In stock | | Marble Matt / Customs / Ultralight | 330.00 USD | In stock | | Marble Matt / Customs / Extremelight | 340.00 USD | In stock | | Marble Glossy / 20/20 / Standard | 310.00 USD | In stock | | Marble Glossy / 20/20 / Superlight | 320.00 USD | In stock | | Marble Glossy / 20/20 / Ultralight | 330.00 USD | In stock | | Marble Glossy / 20/20 / Extremelight | 340.00 USD | In stock | | Marble Glossy / 24/24 / Standard | 310.00 USD | In stock | | Marble Glossy / 24/24 / Superlight | 320.00 USD | In stock | | Marble Glossy / 24/24 / Ultralight | 330.00 USD | In stock | | Marble Glossy / 24/24 / Extremelight | 340.00 USD | In stock | | Marble Glossy / Customs / Standard | 310.00 USD | In stock | | Marble Glossy / Customs / Superlight | 320.00 USD | In stock | | Marble Glossy / Customs / Ultralight | 330.00 USD | In stock | | Marble Glossy / Customs / Extremelight | 340.00 USD | In stock | ## Images - 700C Carbon Gravel and Road Rim, 45mm Depth, 30mm Width, Tubeless-Ready, Disc Brake Compatible Carbon Fiber Sporting Goods - 700C Carbon Gravel and Road Rim, 45mm Asymmetric, 24-25mm Internal Width, Tubeless Disc Brake Carbon Fiber Sporting Goods - Close-up of rim's tubeless valve hole, compatible with 6.5mm tubeless valves, carbon construction - Matte carbon rim surface finish, 700C, suitable for high-performance gravel or cyclocross wheel builds - 700C Carbon Gravel/Cyclocross Rim, 35mm Depth, 24/25mm Tubeless, 330–400g Carbon Fiber Sporting Goods - 700C Carbon Gravel/Cyclocross Rim, 35mm Depth, 24/25mm Tubeless, 330–400g Carbon Fiber Sporting Goods ## Additional Information - **AI Summary:** The 700C Carbon Gravel/Road Rim is a carbon rim for cyclists building wheels for mixed road, gravel, and cyclocross routes. It is intended for riders seeking a lightweight 700C wheel component with an aerodynamic profile, a wide tire platform, and support for tubeless disc-brake builds. --- > Source: [Bola Carbon Wheelset ](https://bolacarbon.com/products/700c-carbon-gravel-road-rim-45mm-asymmetric-24mm-inner-wide-tubeless) > Updated: 2026-08-21