BROVA BRHM0021 | Full Suspension E-MTB Frame
Engineered for extreme off-road performance, the BROVA BRHM0021 is a premium full suspension E-MTB frame constructed from high-strength 6061 aluminum alloy.- All-Mountain Platform: Built for the 29" wheel platform, delivering exceptional stability and rollover capability across technical trails.
- RDP Four-Bar Suspension: Equipped with a 160mm travel RDP four-bar linkage system, providing maximum rider confidence and superb handling characteristics on demanding terrain.
- Fully Internal Routing: Clean, integrated cable routing for reduced drag, enhanced durability, and a sleek, professional aesthetic.
- Seamless Compatibility: Precision-engineered to integrate the BAFANG M600 mid-drive motor and SSE-103 (Sony) 65-cell battery, with industry-standard ZS56/ZS56 headset, 31.6mm seat post, and 148mm×12 E-thru rear hub.
- Optimized Geometry: Redesigned frame geometry for agile handling, precise cornering, and unmatched power transfer, built to withstand the torque of high-performance E-MTB systems.
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BRHM0021
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BROVA
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6061
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15.5"/17"/19"/20.5"
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ZS56 / ZS56
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Φ31.6
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BAFANG M600
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SSE-103 (Sony) 65 cell
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148mmx12 E-thru system
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PPost Mount 180mm
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29"x2.6" 27.5"x2.8"
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160mm
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230*65
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upper 16.8mm/Φ8, lower 32mm/Φ8
Full Suspension e-MTB Aluminum Frame
Engineered for high-end eBike brands, our full suspension aluminum e-MTB frame combines advanced kinematics design, optimized geometry, and robust structural integrity. Designed specifically for mid-drive motor systems, this frame delivers exceptional riding performance across enduro and trail applications.
We support OEM and ODM projects for premium eBike brands, from concept development to mass production.
Explore Engineering
Key Features-Why BROVA Engineering Stands Apart
Advanced Suspension Kinematics
Precisely engineered linkage system ensures efficient power transfer, improved traction, and superior shock absorption on technical terrain.
Optimized Geometry for e-MTB
Balanced reach, head angle, and chainstay length provide stability at high speed while maintaining agile handling.
High-Strength Aluminum Construction
Manufactured using premium 6061 aluminum alloy, offering an excellent strength-to-weight ratio.
Mid-Drive Motor Integration
Compatible with leading motor systems such as Bosch, Shimano, Avinox and Bafang.
Internal Cable Routing
Clean design with improved protection and reduced maintenance.
Battery Integration Options
Supports both internal and semi-integrated battery solutions.
Suspension System Design
Our suspension platform is developed to optimize leverage ratio and anti-squat characteristics, ensuring efficient pedaling and improved downhill control.
Fatigue Resistance
The frame is engineered to withstand long-term stress cycles, making it suitable for aggressive off-road riding conditions.
Structural Reinforcement
Critical stress areas such as the motor mount and pivot points are reinforced through advanced welding and CNC machining processes.
Manufacturing Precision
All frames are produced under strict quality control procedures, ensuring consistent alignment and dimensional accuracy.
| Size | ST | TT | HT | CA | SA | FR | OF | BB | RC |
| S | 400 | 609 | 130 | 65 | 75.1 | 564 | 42 | 20 | 462 |
| M | 440 | 609 | 130 | 65 | 75.1 | 564 | 42 | 20 | 462 |
| L | 480 | 642 | 140 | 65 | 75.1 | 564 | 42 | 20 | 462 |
| XL | 520 | 669 | 150 | 65 | 75.1 | 564 | 42 | 20 | 462 |
Manufacturing & Quality
M0021 EMTB Suspension AM FAQ
Yes, we provide full ODM service including geometry design, structure development, and prototype testing.
