MRR V5m Modified Class Competition Motor
The New Benchmark for Modified Racing
The MRR-V5m is not just an evolution; it is a dedicated powerhouse specifically engineered for high-RPM modified racing. While it shares the iconic Maclan aesthetic with the V5 series, the V5m features a completely unique internal architecture. From the screw sizes to the sensor unit, every component has been optimized to handle the extreme demands of modified class competition.
Key Features
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Dedicated Modified Stator: A brand-new stator design engineered specifically for maximum High-RPM power delivery and efficiency.
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Unique Internal Hardware: Featuring specific sensor units and hardware optimized for modified racing—not shared with the standard V5.
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Enhanced Cooling: Precision-vented housing designed to maintain performance during grueling main events.
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Maximum Tuning Versatility: A wide range of motor turns and rotor options to suit any track condition or driving style.
Optional Tuning Rotors
Fine-tune your power delivery with our precision-balanced optional rotors:
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MCL4501 (12.1mm): Maximum RPM and top-end speed.
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MCL4502 (12.2mm): Optimized for a balance of RPM and mid-range torque.
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MCL4503 (12.3mm): Standard balanced power for consistent driveability.
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MCL4504 (12.5mm): Maximum torque and braking strength for technical tracks.
MRR V5m DETAIL SPECIFICATIONS
| Item (V5m Modified Class) | Value |
|---|---|
| Odd Wind Turn Options: | 3.5T/4.5T/5.5T/6.5T/7.5T/8.5T/9.5T |
| Even Wind Turn Options: | 5.0T/6.0T/7.0T |
| Case Diameter: | 36mm |
| Shaft Extension: | 14mm |
| Shaft Size: | 3.17mm |
| Weight: | 156g ~ 166g ±2g (3.5T/163g)(4.5T/166g)(5.0T/157g)(5.5T/165g)(6.0T/153g)(6.5T/161g)(7.0T/160g)(7.5T/166g)(8.5T/164g)(9.5T/162g) |
| Bearing Size: | ID: 3.175mm OD: 9.525mm H: 3.9675mm |
| Poles: | 2-Pole |
| Default Rotor (3.5T to 5.0T): | MCL4501 12.1mm |
| Default Rotor (5.5T to 9.5T) | MCL4503 12.3mm |
| ROAR Approved: | Yes (March 19, 2026) |
| Warranty Note: | This item is covered by a limited 30-Day Express Limited Warranty against manufacturing defects. Normal wear-and-tear parts (e.g., rotor, fan, wires, and etc.) are excluded. |








