--- description: CR266 M size only 760g ultra-light carbon fiber road cycle frames, designed for speed and performance. Built with high-modulus carbon for strength, stiffness, and superior aerodynamics, perfect for competitive riders. title: CR266-D Ultra Light Road Frame Disc Brake image: https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-1.jpg --- [Skip to content](#content) ![carbon bike frame road](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-10-1024x1024.webp) ![road bike frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-3-1024x1024.webp) ![carbon road frame mold](https://haidelibikes.com/wp-content/uploads/2025/07/CR266-carbon-road-frame-1024x1024.webp) ![carbon road bike](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-9-1024x1024.webp) ## One-Piece Mold Road Bike Frame * Ultra-Lightweight: Crafted with advanced one-piece molding technology, the CR266 weighs just **780g (M size)**—perfect for competitive road cycling and hill climbs. * Optimized Geometry: Aerodynamic, stiff yet compliant, it ensures maximum power transfer and comfort for long rides. * Fits up to **700×35C tires**, ideal for mixed surfaces and endurance riding. | **Specification** | **Details** | | ---------------------------- | ---------------------------------------------- | | **Model No.** | R266-D | | **Fork** | Disc brake fork | | **Frame Size** | S / M / L | | **Version** | One-piece mold | | **Type** | Endurance Road Frame | | **Material** | EPS + T1000 + T1100 Carbon Fiber | | **Max Tire Size** | 700 × 35C | | **Headtube** | 1-1/2″ to 1-1/2″ | | **Axle Spacing** | Front: 100 × 12 mm, Rear: 142 × 12 mm | | **Bottom Bracket** | T47 (86.5 mm) | | **Rear Hanger** | UDH (Universal Derailleur Hanger) | | **Seatpost** | 0°, 380 mm length, approx. 150 g | | **Disc Brake Compatibility** | 140 mm/160 mm rotors | | **Frame Weight** | 760 ± 40 g (M size, UD matte with alloy parts) | | **Fork Weight** | 350 ± 15 g | | **Cable Routing** | All internal, fully hidden | | **Package Includes** | Frame + Fork + Seatpost + Clamp + Thru Axle | | **Height Recommendation** | S: 166–172 cm, M: 172–178 cm, L: 178–184 cm | ## CR266 Endurance Road Bike Frame Geometry * Endurance geometry offers a more relaxed head angle and longer wheelbase, boosting stability and comfort on long rides. Ideal for gran fondos and all-day adventures. ![road frame size chart](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-11-810x1024.webp) ![one-piece mold disc brake road frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-5.webp) # One-Piece Molding * One-piece molding eliminates joints and weak spots, creating a stiffer, stronger carbon road frame with superior ride quality and weight savings. ## M size only 780g Ultra Light Weight * Weighing just 760g±40, this ultralight frame boosts climbing speed and agility without compromising strength # 1-1/2 to 1-1/2” Straight Headtube * The straight tube design enhances front-end stiffness and handling precision for a more stable ride. ![disc brake road bike frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-7-1024x1024.webp) ![carbon bike frame road](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-6-1024x1024.webp) ## Aero Seatpost * The aero seatpost reduces drag by optimizing airflow, enhancing speed and efficiency. Its design also provides added comfort by absorbing road vibrations, ideal for long-distance rides. ## ## Max 700\*35c Tires * It supports 700x35C tires, offering versatile performance for smooth roads and gravel paths. This tire clearance ensures better traction, comfort, and stability, perfect for mixed-terrain cycling. ## 0° Seatpost 380mm length * The 0° seatpost keeps a neutral rider position for efficient power transfer, while its 150g lightweight design supports optimal road bike fit and frame balance. ![road bike frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-4-1024x1024.webp) ![UDH hanger road bike frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-8-1024x1024.webp) ## ## Flat mount disc brakes * It offer cleaner integration, better heat dissipation, and consistent stopping power. ## Rear Dropouts 142\*12mm * The 142×12 rear thru axle enhances stiffness and wheel alignment, boosting control and efficiency. ## UDH Rear Hanger * UDH offers universal drivetrain compatibility and protects the rear derailleur. Its standardized design ensures easier replacements and long-term upgrade support. ## T47 Bottom Bracket * Originating as a modern take on threaded designs, the T47 bottom bracket combines the reliability of a creak-free fit with wide spindle compatibility. Its precision and durability make it a future-proof choice for high-performance road and all-road frames. ![road bike frame](https://haidelibikes.com/wp-content/uploads/2025/05/CR266-all-road-bike-frame-2-1024x1024.webp) ![haidelibikes factory](https://haidelibikes.com/wp-content/uploads/2025/04/工厂测试图-1024x572.webp) ## ## Haidelibikes Factory * Lead Time: Efficient production and on-time deliver. * Custom Painting: Yes, fully customizable designs. * OEM & ODM: Welcome-your brand, our support. * MOQ: Starting from just 5 sets. * Sample Policy: Samples available on request. ## ## Advanced Production Facilities * ISO-certified testing lab ensuring compliance with global standards. * Exclusive Infrared Detection System – Our proprietary technology for internal defect inspection, ensuring every frame meets the highest safety and durability standards. ![](https://haidelibikes.com/wp-content/uploads/2025/04/检测设备生产-1024x572.webp) ![](https://haidelibikes.com/wp-content/uploads/2025/04/生产工艺-1024x576.webp) ## ## ****Manufacturing Techniques** * Blow molding: for lightweight frames and high-strength frame structures. * EPS/latex molding: ensures precision interiors shaping. ## ## ****Full-Service Capabilities** **–** **One-Stop Solution** * Design → Prototyping → Mass production → Custom Painting * Masterful Painting Craftsmanship–Our expert painters, with 10+ years of experience, deliver flawless custom finishes, ensuring both durability and aesthetic excellence. ![](https://haidelibikes.com/wp-content/uploads/2025/04/烤漆工艺-1024x548.webp) ```json {"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/haidelibikes.com\/road-bike-frame\/endurance-road-frame\/r266-d-lightweight-carbon-road-frame-disc-brake\/","url":"https:\/\/haidelibikes.com\/road-bike-frame\/endurance-road-frame\/r266-d-lightweight-carbon-road-frame-disc-brake\/","name":"CR266-D Ultra Light Road Frame Disc Brake - Haidelibikes","isPartOf":{"@id":"https:\/\/haidelibikes.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/haidelibikes.com\/road-bike-frame\/endurance-road-frame\/r266-d-lightweight-carbon-road-frame-disc-brake\/#primaryimage"},"image":{"@id":"https:\/\/haidelibikes.com\/road-bike-frame\/endurance-road-frame\/r266-d-lightweight-carbon-road-frame-disc-brake\/#primaryimage"},"thumbnailUrl":"https:\/\/haidelibikes.com\/wp-content\/uploads\/2025\/05\/CR266-all-road-bike-frame-1.webp","datePublished":"2025-05-13T16:13:32+00:00","dateModified":"2025-07-14T09:34:54+00:00","description":"CR266 M size only 760g ultra-light carbon fiber road cycle frames, designed for speed and performance. 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