Colorado Motorized Bicycle Laws

License Required & Registration Required

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    Motorized bicycles fall under the category of a moped in Colorado.

    The definition of a moped in Colorado, is a vehicle with no more than 3 wheels and an engine capacity of no more than 50ccs or 4,476 watts.


    You must have a valid drivers license to ride a motorized bicycle in Colorado. A motorcycle license is not needed.


    To register your motorized bicycle you'll need the following:

    • A completed Low-Powered Scooter Registration form.
    • Proof of ownership.
    • Proof of insurance.
    • $5.85 fee for registration.
    Bicycle Requirements

    Your motorized bicycle must also have:
    • A headlight visible for 500 feet or yards
    • A rear red reflector or light
    • A bell or audible warning device