Ronster Rides
P-51 ACE
P-51 ACE
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Ships in September!
Top Speed 20mph
Top Speed Unlockable
Street Legal California Class 2 Electric Bike
Key Features
- Full suspension
- Upgraded Magura MT5e brakes
- Integrated display
- New aluminum frame
- Upgraded Baja headlight
- Metal number plate
- New moto seat design
Specs
- Top Speed 20mph (+30mph unlocked)
- Motor 750 watt hub
- Battery 48v20ah
- Brakes Magura MT5e 4-Piston
- Headlight 1200 lumen LED
- Brake Light 2x frame-integrated LED
- Suspension 27" 200mm Front / 140mm Rear
- Wheels 20" Tires 4"
- Throttle Quarter Twist Thumb
- Controller 5-speed adjustable + pedal assist
Compliance
Classification: Class 2 E-Bike in California
Always check your local laws and guidelines before riding any bike on public streets.
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Meet the Ace — P-51’s New Class 2 E-Bike
10 pounds lighter, the Ace is P-51's latest evolution in electric rides. Designed by the same crew that started with custom Sur Rons, the Ace delivers a street-legal, Class 2 experience without sacrificing a quality ride. Cruise at 20 MPH or unlock it to reach top speeds of 28–32 MPH. With dialed-in handling and a lighter frame, the Ace is made for riders who want performance, agility, and everyday versatility—all in one sleek package.
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750 WATT MOTOR
Tuned specifically to the P-51's riding style, the power unit delivers 750W nominally and a 1800W peak power. The team custom-tuned this motor for maximum performance, using stainless steel gears ensuring reliability and exceptional torque.
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STREET LEGAL
Fully compliant with Class 2 regulations and officially classified as a bicycle, the P-51 Class 2 E-Bike lets you ride on bike paths and streets without worry.
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SMOOTH SUSPENSION
The suspension feels just like your favorite e-Moto, giving you that smooth, controlled ride you love. With fully adjustable front and rear suspension, you can dial in the perfect setup for any terrain—comfort and performance, all in one.
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QUAD-PISTON HYDRAULIC BRAKES
Magura MT5e 4-piston brake calliper forged in one piece has a high degree of rigidity, resulting inoutstanding braking force and the best possible modulation.
SUSPENSION
Suspension is at the core of P-51's mission to create a better class 2 e-bike. 27 inch downhill front forks offering 200mm of travel with adjustable compression and rebound.
Their patented frame design and precision-engineered angles deliver max suspension and travel. Enjoy smooth rides over the roughest terrains with 140mm of rear wheel travel, designed to master every bump with ease.
48 VOLT / 20 AMP HOUR
48 volt - 20 AH lithium-ion battery using 21700 LG cells with an estimated range of 40+ miles on throttle only (varies due to riding style, rider weight, and riding terrain)
BAJA FRONT LIGHT
Unlike most e-bikes, the P-51 features an integrated 12-volt system that powers a robust 1900 lumen LED front headlight, delivering exceptional nighttime visibility