E-bikes have become a familiar sight on Colorado streets, from Denver bike lanes to the trails winding through Golden and Idaho Springs. As more riders trade pedal power for a motor assist, drivers and cyclists alike are adjusting to a faster kind of two-wheeled traffic, and Colorado lawmakers have updated the rules to keep pace.
At Mintz Law Firm, we help e-bike riders and their families sort out what comes next after a crash, from figuring out who was at fault to pursuing the compensation a bicycle accident can leave behind. Below, we break down Colorado’s newest e-bike regulations and what options you have if you were hit while riding one.
How Colorado’s New E-Bike Law Changes the Rules for the Road
Colorado sorts e-bikes into three classes based on speed and how the motor works. Class 1 and Class 2 e-bikes top out at 20 miles per hour, while Class 3 models can reach 28 miles per hour and require the rider to be at least 16 years old. Riders on Class 1 and Class 2 e-bikes do not need a license, registration, or insurance, and they share the road with drivers under the same rules that apply to any bicycle vs. auto accident. Anyone under 18 riding a Class 3 e-bike must wear a helmet, and cities such as Denver, Aurora, and Lakewood can set their own rules for which trails allow faster e-bikes.
In 2025, state lawmakers passed House Bill 25-1197, adding battery certification and labeling rules meant to reduce fires and prevent buyers from being sold an overpowered device disguised as an e-bike. The law also tightened how sellers must disclose an e-bike’s wattage, top speed, and class at the point of sale. According to the Colorado Department of Transportation’s e-bike safety guidance, any bike that exceeds 750 watts of power or is modified to exceed the speed limit is reclassified as a motor vehicle, which brings its own licensing and insurance requirements.
Who May Be Responsible When an E-Bike Rider Is Hit
Fault after an e-bike collision depends on Colorado’s negligence rules, the same standard that applies to any crash between a cyclist and a driver. Colorado follows modified comparative negligence, which means you may still recover damages even if you share some blame for the crash, as long as your share of fault is under 50 percent. Drivers who fail to check their mirrors before turning, run a stop sign, or crowd a bike lane are common causes of e-bike collisions, and Colorado law treats those failures the same way it would in any other traffic case. A driver who insists the crash was your fault simply because you were on a faster e-bike is not automatically correct, and building a strong claim usually means gathering the same evidence any car accident case would require.
E-bikes travel faster than traditional bicycles, so a crash can cause more serious injury than pedal-powered cycling typically does. Riders may be left with broken bones, road rash, or a traumatic brain injury after being thrown from a bike moving 20 miles per hour or faster. The higher speeds involved also mean that medical bills, time away from work, and recovery periods tend to be longer than after a low-speed bicycle mishap.
What to Do After a Colorado E-Bike Accident
If you are hit while riding an e-bike, a few steps in the hours and days afterward can make a real difference in your claim. Insurance adjusters look closely at what you did right after the crash, so keeping a clear record early matters:
- Seek medical care: get checked out right away, even if your injuries feel minor at first.
- Report the crash: contact local police so there is an official record of what happened.
- Photograph the scene: capture your e-bike, the crash site, and any visible injuries before evidence disappears.
- Collect driver information: get the other driver’s contact and insurance details whenever possible.
These steps protect your health first and your claim second, and they give an attorney a much clearer picture of what happened if you decide to pursue compensation.
Talk to Mintz Law Firm About Your E-Bike Accident
A crash while riding an e-bike can leave you dealing with medical bills, lost wages, and an insurance company that would rather minimize your claim than pay it fairly. With over 300 years of combined experience and more than $ 20 million recovered annually for injured clients since 2016, our attorneys know how to build a strong case under Colorado’s e-bike laws and hold negligent drivers accountable.
If you or a family member was hurt in a Colorado e-bike accident, we are ready to review what happened and explain your options at no cost to you. Get in touch with our team today to schedule a free consultation.