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C3STROM ASTRO PRO: Class 3 Electric Bike

A special class 3 e-bike that was created at the height of its powers. Through cutting-edge innovation, we reinvent speed and comfort with a motorcycle spirit and outstanding road performance. 


In stock items ship within 
2 business days.

Ride With The Change

The Astro Pro is a futuristic electric moped bike created for today’s urban road warriors. You’ll have a completely new perspective on the road thanks to its powerful ebike, which has a top speed of 32 mph, street tires, and appearance of a vintage rebel motorbike.

Rebel Soul

The soul of the Astro Pro is the 750W Bafang motor with 80Nm of torque. Control that power with 5-level PAS and Multi-Class riding modes Class3 and Off-Road. Blazing through the city has never been this thrilling.


Bafang Motor

80Nm Torque

Extreme Acceleration

Ultra Long Range

The streets are yours to ride thanks to the 1040Wh Samsung battery. Ride all day and through the night with its 78 miles of provided range and fast charging that takes just 4-5 hours.

4-5 Hours Fast Charging

1040Wh Samsung Battery

78 Miles Range

Ride All Day and Through Night

Built to Last

The battery and other components are enclosed and safeguarded by a sleek and sturdy aluminum alloy frame. This ride is smooth and sturdy thanks to the frame, comfortable silicone saddle, puncture-resistant street tires, hydraulic front fork, and optional rear rack.

Lighting System

The front headlight, which was independently created, provides greater nighttime driving performance and safety. It also has integrated turn signals. 18 LEDs power the integrated tail light in the saddle.

4 Piston Hydraulic Disc Braking System

ASTRO PRO comes safety-complete with 4-piston hydraulic disc brakes, crucial for effective stopping at faster speeds on all terrains.

Fantastic Step frame

Customized cup holder can be added, and carry a 1040Wh SAMSUNG Battery.

Extra Long Seat

The soft, comfort-enhancing silicone saddle allows stable, rider-centered handling.


Powerful 750W Motor

Start off strong with the 750W motor of the ASTRO, pushing 28 mph, or turn on the off-road mode to reach 32 mph. Adaptable riding modes meet adaptable needs.

Rear Rack

With more possibilities, which can hold an extra battery.


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32-78 miles

(32 miles reached using only electricity;78 miles achieved using class 1 speed with pedal assist)


Class 3: 28mph

Off-road: 32mph

Charge Time:4-5 hrs

Removable Lithium-ion 1040WH(52v20ah)

SAMSUNG 21700 cells

Motor:BAFANG 750W nominal/ 1200W peak
Assist:Half Twist Throttle/Peadal Assist
Gearing & Rear Derailleur:8 Speed
Vehicle Weight:94 lbs
Rider Weight Limit:330 lbs
Seat Height:30.6″
Frame:Aluminum Alloy
Suspension (if applicable):Front
Crankset:56T, 170mm
Brakes:4 Piston Hydraulic
Head Light:LED
Tail Light:LED
  • Brakes


    4-piston hydraulic brake,

    203mm disc

  • Chain


    KMC Z7

  • Crank Set


    56T, 170 mm

  • Derailleur


    8 Speed

  • Fenders


    Full coverage front and

    rear fenders

  • Tires


    20 inch x 4.25 inch

    Anti-puncture tires 

  • Frame


    6061 Aluminium alloy

  • Rear Rack


    33Lb carring capacity

    with optional

    adaptation custom carry bag

    and backup battery

  • Saddle


    Ultra long seat filled

    with silicone

  • Pedals


    Wellgo platform pedals

  • Shifter


    twist shift, 7 speedharness



Our stylish, extremely speedable ASTRO ebikes are sure-fire hits for everyone on your list.