Lightweight Trail Electric Mountain Bike Frame Manufacturer
JOBO develops lightweight aluminum e-bike frame platforms using optimized tube forming and precision welding technology. Our manufacturing process ensures high strength-to-weight performance and structural accuracy. We provide flexible OEM and ODM development services with strong engineering support for performance-oriented electric bike brands.
TDC33L
- Lightweight Alloy Architecture
- Agile Trail Geometry
- Hydroformed Design
- Smooth Weld Finish
- Versatile Wheel Compatibility
- Dropper Post Ready
JOBO Product Range
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JOBO Electric bike Factory | Accept OEM requirements!
Trail & Cross-Country E-MTB Applications
This frame is optimized for trail and cross-country electric mountain bikes requiring agile handling and riding efficiency. The lightweight structure enhances climbing ability and rider control across mixed terrain, allowing brands to create responsive and versatile off-road electric bike models.
Details Display
Tapered Head Tube
Precision Steering Control. Engineered for high-speed eMTB riding, the oversized tapered head tube delivers maximum front-end stiffness. It handles heavy suspension fork loads with zero flex, ensuring pinpoint steering accuracy on rugged trails.
Integrated Mid-Drive Motor Mount
Built for Massive Torque. This precision-cast, heavy-duty motor bracket ensures flawless alignment for mainstream mid-drive systems. It securely anchors the motor, efficiently transfers high-torque power, and protects the drive unit from lower trail impacts.
Optimized Suspension Linkage
Unmatched Trail Traction. Featuring a robust rocker arm and high-strength pivots, this active rear suspension setup efficiently absorbs big drops and technical terrain. It keeps your rear tire firmly planted for maximum grip and a plush ride.
Concealed Battery Downtube
Sleek & Perfectly Balanced. The massive, fully integrated downtube securely houses high-capacity e-bike batteries. This seamless design protects power cells from water and debris while lowering the bike’s center of gravity for superior cornering stability.
Maximum Tire Clearance
Grip Without Limits. The widened rear triangle design effortlessly accommodates plus-size eMTB tires. Enjoy superior mud shedding capabilities and the freedom to run aggressive, high-volume rubber for ultimate off-road traction.
Detailed Specifications
Frame Material6061 aluminum alloy
E bike Typemountain/ full suspension
Wheel Size27.5'
Frame Size17"、19"、21"
Motor TypeShimanoE5000/E6100/E7000/E8000/Bafang M200
Battery TpyeYouth SYR009 for 52 cells（including battery case)
Welding Processsmooth welding
Frequently Asked Questions
Answers to most common questions about products, orders, shipments, and payments.
What riding style is this lightweight e-MTB frame designed for?
The frame is optimized for trail and cross-country (XC) electric mountain bikes. Its agile geometry and lightweight structure enhance climbing efficiency and responsive handling across mixed off-road terrain.
How is the hydroformed aluminum e-bike frame manufactured?
It is constructed using optimized hydroformed tube shaping and precision smooth welding technology. This manufacturing process ensures an excellent strength-to-weight ratio and high structural accuracy for off-road performance.
What type of head tube is used on this trail e-bike frame?
The frame features an oversized tapered head tube. This design provides maximum front-end stiffness, handles heavy suspension fork loads, and ensures precise steering control on rugged trails.
Which motor systems are compatible with this frame?
It includes a precision-cast, integrated mid-drive motor mount. The robust bracket ensures accurate alignment and handles high torque transfer for mainstream mid-drive e-bike motor systems.
How does the rear suspension linkage improve trail riding?
The active rear suspension uses an optimized linkage with a robust rocker arm and high-strength pivots. It efficiently absorbs drops and technical terrain impacts while keeping the rear tire planted for maximum traction.
Where is the e-bike battery housed within the frame?
The frame features a concealed, fully integrated downtube designed for high-capacity batteries. This seamless housing protects the battery from water and debris while lowering the center of gravity for better cornering stability.
Does the rear triangle support plus-size e-MTB tires?
Yes, the widened rear triangle provides maximum tire clearance. It effortlessly accommodates plus-size tires, offering superior mud-shedding capabilities and allowing riders to run high-volume rubber for off-road grip.
Are OEM and ODM services available for this lightweight e-bike frame?
Yes, JOBO operates as an OEM and ODM factory. We provide flexible manufacturing services and strong engineering support to help brands develop custom, performance-oriented trail electric mountain bikes.