Custom geometry, battery integration, internal cable routing, paint, and branding options
OEM/ODM support for e-bike brands, distributors, and assembly factories
Carbon E-Bike Frame Manufacturer in China
A carbon e-bike frame is a bicycle frame constructed from carbon fiber, a composite material renowned for its exceptional strength-to-weight ratio and remarkable durability. Carbon e-bike frames can be molded into complex shapes, enabling designers to optimize geometry and aesthetics while seamlessly integrating electric motor components.
Carbon World offers customizable geometry options and OEM services based on customer needs, allowing you to tailor performance, comfort, and style to your needs. Every detail counts, from selecting frame geometry and size to choosing a compatible motor like Bafang or Shimano. You can choose a full suspension or hardtail configuration depending on the terrain you ride, whether it's city streets, rugged trails, or gravel roads. Our carbon frame e-bikes are the benchmark for lightweight e-mobility, with extensive testing and a commitment to sustainability. Partner with us to take your e-bike to new heights.
Technical Specifications of Carbon E-Bike Frame
1. Road Carbon Electric Bike Frame
Carbon E-Bike Frame
•Model: MYB04FM-R950-E-Bike
•Material: full carbon
•Weave: UD
•Include: Frame and Fork
•Headset size: top 1-1/2 down 1-1/2
•BB: BSA/BB30 /BB T47
•Size: 47/50/53/57
•Fork Clearance:100mm
•Rear Clearance:135mm
•Seatpost Inner Diameter: 31.6mm
•Seatpost Outer Diameter: 34.9 mm
•Brake Type: Flat mount Disc Brake
•Cables: full internal (hidden)
•Motor: Rear hub motor Mahle X35 or FSA
•Battery: Mahle X35 , Mahle X20 FSA battery
•Warranty:2 years
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Carbon E-Bike Frames
•Model: MYB04FM-R955-E-Bike
•Material: 100% carbon
•Weave: UD
•Include: Frame and Fork
•Headset Size: Top 1-1/2 down 1-1/2
•BB: BSA/BB30 /BB386
•Size: 47/50/53/57
•Fork Clearance: 100mm
•Rear Clearance: 135mm
•Seatpost Inner Diameter: 31.6mm
•Seatpost Outer Diameter: 34.9 mm
•Brake Type: Flat mount Disc Brake
•Cables: Full internal (hidden)
•Motor: Rear hub motor Mahle X35 or FSA
•Battery: Mahle X35 , Mahle X20 FSA battery
•Warranty: 2 years
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Carbon E-bike Road Frame
•Model: MYB04FM-RD17-E-Bike
•Type: Carbon E-bike Road Frame
•Material: High Modulus Toray T700 & T800 Carbon Fiber
•Weave: UD Matte/Glossy/painting
•Available Sizes: S, M, L
•Motor system: Fazua
•Headtube: Tapered 1 1/2"(down) and 1 1/8"(up)
•Tire Size: 700X32C
•Weight: Frame 1400+-40g. Fork 420+-15g
•Drop Out: Thru axle 12mm
•Cable Routing: Internal
•including: Frame, fork, seatpost, and clamp
•Warranty: 2 years
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2. MTB Carbon Electric Bike Frame
Carbon E-Bike Frame
•Model: MYB04FM-MD17-MTB E-Bike
•Type: 27.5plus/29er full suspension enduro ebike frame
•Materials: High Modulus Toray T700&T800 Carbon Fiber
•Weave: UD Matte/Glossy/painting
•Size: 15,17,19,21
•Weight: 2300+45g
•Brake: Post mount disc brake, 203mm disc rotor
•Motor System: BAFANG M500/M600
•Battery: BAFANG BTF03/04
•Max Tire Clearance:29erX2.3 " or 650BX2.8"
•Headtube:Tapered 1 1/2"(down) and 1 1/8"(up)
•Cable Routing: internal
•Rock Shock:22*185*50 /22*185*55mm
•Rear Travel:150mm
•Test: ISO4210
•Warranty: 2 years
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Carbon E-Bike Frames
•Model: MYB04FM-MD21-MTB E-Bike
•Material: High modulus Toray T700 & T800 carbon fiber
•Weave: UD matte/glossy/painting
•Available Size:15,17,19,21
•Motor System: SHIMANO
•Battery: SHIMANO BT-E8036 OR DARFON E4C0G
•Headtube: Tapered 1 1/2"(down) and 1 1/8"(up)
•Tire Size: 29erX2.6 " or 650BX3.0"
•Frame Travel:150mm
•Rear Shock:205*65MM
•Hub Spacing:148X12mm
•Feature: Hidden cables
•Warranty: 2 years
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Carbon E-bike MTB Frame
•Model: MYB04FM-MD15-E-Bike
•Type: 27.5+ Carbon electric bike frame
•Material: High Modulus Toray T700 & T800
•Weave: UD Matte/Glossy/painting
•Available Size:15.5"/17.5"/19.5"/21
•Motor System: Shimano E8000 / Bafang M500/M600
•Headtube: Tapered 1 1/2"(down) and 1 1/8"(up)
•Tire Size: 27.5X2.6/2.8/3.0
•Battery: BMZ V9 BAFANGG internal
•Frame Travel:135-152mm
•Rear Shock: 200-20/200-57mm;210-47.5/210-50/210-55mm
•Seattube: 31.6mm
•Hub Spacing: 148X12mm
•Cable Routing: Internal
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Key Features of Carbon E-bike Frame
Weight
Carbon e-bike frames are significantly lighter than aluminum or steel, making your e-bike easier to handle and more efficient on climbs and long rides.
Strength and Durability
Despite their lightweight build, carbon frames offer outstanding strength and resilience. They can handle tough trails, daily commutes, and high-torque motor systems with ease.
Comfort
Carbon fiber naturally absorbs road vibrations, providing a smoother, more comfortable ride, especially on uneven or off-road terrain.
Aesthetics
Carbon frame e-bikes look sleek and high-end. The clean lines and modern finish make a bold visual statement while enhancing aerodynamics.
What to Look for in a Carbon Fiber Electric Bike Frame
The quality of the carbon fiber has a decisive influence on the frame's performance. High-quality carbon fiber materials, such as T700 or T800, are not only light but also strong, providing excellent durability and impact resistance.
The manufacturing process and design details of the frame cannot be ignored. The interface should be smooth and seamless, which not only affects the appearance but also affects the overall structural strength and durability of the frame.
The motor and battery are the core components of electric bicycles, and their integration with the frame is crucial. The ideal carbon fiber electric bicycle should perfectly integrate the motor and battery into the frame to achieve a reasonable distribution of weight and stability of the whole vehicle.
Different riding styles have different requirements for frame geometry design. Whether the frame supports front and rear suspension systems is crucial to improving riding comfort and handling.
Maintenance of Carbon Frame E-Bikes
Maintaining a carbon frame e-bike is straightforward, and proper care ensures long-lasting performance. While carbon fiber won't rust or corrode like metal frames, it still requires routine attention.
Clean the frame regularly using mild soap and water. Avoid high-pressure washing, as it may force moisture into bearings or electronic components. After any fall or impact, inspect the frame carefully. Carbon can sometimes hide internal damage even when the surface looks fine.
Keep all cables and connectors dry and secure, especially if your bike has internal routing. Follow the motor and battery maintenance schedule recommended by the manufacturer, typically every 500 to 1,000 kilometers. When tightening bolts, always use a torque wrench to prevent over-tightening, which can damage the carbon structure.
What Makes an E-Bike Frame Different from a Standard Bike Frame
Manufacturing & OEM of Carbon Fiber E-Bike Frame
High-performance materials: We use premium carbon fibers such as Toray T700 and T800, balancing strength, stiffness, and fatigue resistance.
Optimized layup design: Fiber orientation is strategically adjusted in key stress areas, including the bottom bracket, head tube, and battery zone.
Advanced molding process: EPS molding combined with controlled curing ensures smooth internal surfaces and consistent wall thickness.
OEM customization: Our solutions go beyond appearance. From structural design to mass production, we support custom decals and paint finishes, delivering a complete process from initial prototyping to stable batch production with strict quality control.
Test of Carbon E-Bike Frame
Testing a carbon e-bike frame is not limited to standard bicycle frame loads. It also focuses on the special stress areas created by the electric assist system. Before shipment, we check key areas such as the head tube, bottom bracket, motor mount, battery compartment, rear triangle, and shock mounting points.
Regular checks include frame alignment, critical interface dimensions, motor and battery bay fit, cable routing layout, surface quality, and project-based fatigue or impact testing. For e-MTB frames, braking load, rear shock mounting, linkage movement, and rear triangle stiffness are also important inspection points.
For OEM projects, specific test items and inspection records can be confirmed according to the frame specification, motor system, and target market requirements.
FAQ
Q: What motor systems can your carbon e-bike frames support?
A: We can support different motor systems depending on the frame type and project requirements. Road and urban e-bike frames can be developed for lightweight rear hub motor systems, while e-MTB frames can be designed around mid-drive systems such as Bafang, Shimano, Fazua, Mahle, or other project-defined motor platforms.
Q: Can you customize the battery compartment and charging port position?
A: Yes. The battery compartment, access method, charging port position, and wiring path can be customized according to the selected battery system and frame structure. These details should be confirmed before sampling to reduce assembly and service issues later.
Q: What is the difference between a rear hub motor e-bike frame and a mid-drive e-bike frame?
A: A rear hub motor frame usually places the motor at the rear wheel, so the frame design focuses more on rear dropout spacing, cable routing, and battery integration. A mid-drive e-bike frame needs a stronger motor mounting area around the bottom bracket, because motor torque and pedaling loads are transferred through the center of the frame.
Q: Are carbon e-bike frames suitable for MTB and trail riding?
A: Yes, carbon e-bike frames can be used for MTB and trail riding when the layup, motor mount, rear triangle, suspension structure, tire clearance, and braking areas are designed for off-road loads. For aggressive trail or e-MTB use, testing and reinforcement requirements should be confirmed during project development.
Q: What frame areas are reinforced for e-bike use?
A: Common reinforcement areas include the motor mount, bottom bracket area, battery compartment, head tube, down tube, chainstay, rear triangle, brake mount, and suspension linkage points. The exact reinforcement plan depends on the motor system, riding type, frame geometry, and target load requirements.
Q: Can you provide full suspension carbon e-MTB frames?
A: Yes. We can support full suspension carbon e-MTB frame projects based on customer drawings or project specifications. Key details include rear travel, shock mount position, linkage structure, motor clearance, battery layout, tire clearance, and axle standard.
Q: What information is needed for a custom e-bike frame project?
A: For a custom project, please provide frame drawings or reference geometry, motor model, battery size and position, controller and wiring layout, wheel size, tire clearance, brake type, axle standard, suspension requirements, target frame sizes, order quantity, and branding needs.
Q: Do you support internal routing for motor wiring and brake hoses?
A: Yes. We can support internal routing for motor wiring, brake hoses, shift cables, display cables, charging port wiring, and other system cables. The routing design should be confirmed together with the motor, battery, controller, display, and headset/frame structure.
Q: How do you test carbon e-bike frames before shipment?
A: Before shipment, we check key areas such as frame alignment, motor mount fit, battery bay fit, cable routing, surface quality, and critical interface dimensions. For project-based requirements, fatigue, impact, braking-load, and rear-triangle stiffness tests can also be arranged according to the frame specification.
Q: Can you customize paint, logo, packaging, and labels for OEM orders?
A: Yes. For OEM orders, we can customize paint finish, logo placement, decals, surface style, packaging, labels, and inspection documents. These details can be confirmed during the sample stage before batch production.
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Leading carbon e-bike frame manufacturer and supplier in China, specializing in high-quality carbon fiber products with OEM/ODM services. Our factory offers carbon bike rims, fairings, and custom carbon fiber solutions for sports, automotive, and industrial use. Contact us for a quote.
