Massachusetts
Last updated
Massachusetts recognizes Class 1 and Class 2 e-bikes as bicycles: no license, no registration, no insurance, and no minimum age. Class 1 gives pedal assist up to 20 mph on a motor of 750 watts or less, and Class 2 adds a throttle up to 20 mph; both carry the same rights and duties as a regular cyclist on roads, in bike lanes, and on paved shared-use paths and DCR rail trails, unless a city, town, or agency restricts them after a public notice and hearing.
The catch is Class 3, which Massachusetts never adopted. A 28 mph e-bike, a throttle bike that assists past 20 mph, or anything over 750 watts falls outside the e-bike definition and becomes a motorized bicycle: a valid driver license or learner permit, RMV registration, a moped plate, a helmet at every age, a 16-year-old minimum, and no bike paths. A bill that would add a Class 3 category, Massachusetts S.2373, has not passed. For the recognized classes, the bicycle helmet law applies, so riders 16 or younger wear an approved helmet, and sidewalks are banned statewide for all e-bikes with a fine up to $20, stricter than the rule for pedal bicycles. Natural-surface and single-track trails are off-limits unless local rules say otherwise, so check posted signage. The rules took effect November 8, 2022. Our Massachusetts bicycle and e-bike insurance page pairs these rules with the state's best rides, riding season, and events. The full breakdown is below.
Massachusetts E-bike Laws
Class 1 and Class 2 are bicycles; Class 3 was never adopted. Here is where Massachusetts stands on e-bikes and what happens to the faster ones.
Massachusetts recognizes Class 1 and Class 2 e-bikes as bicycles: no license, no registration, no insurance. The catch is Class 3, which the state never adopted, so a 28 mph e-bike is treated as a motorized bicycle that needs a license, registration, and plates.
Recognized. A motor of 750 watts or less assists only while pedaling and cuts off at 20 mph; treated as a bicycle with all the rights of a regular cyclist (MGL c.85 s.11B-3/4).
Recognized. A throttle of 750 watts or less can propel the bike, but assistance ends at 20 mph; treated as a bicycle, with the same rules as Class 1.
Not recognized in Massachusetts. A 28 mph e-bike falls outside the e-bike definition and is a motorized bicycle under MGL c.90 s.1, needing a license, registration, plates, and a helmet. Massachusetts S.2373 would add a Class 3 category but has not passed.
Class 1 and Class 2 e-bikes need no license. The wrinkle: a faster, out-of-class bike becomes a motorized bicycle and then a valid driver license or learner permit is mandatory (MGL c.90 s.1B).
No registration or plates for compliant e-bikes. Out-of-class bikes default to motorized-bicycle status and must carry a moped plate from the RMV.
Massachusetts mandates no coverage for any e-bike class, so protection is on you - a theft and liability policy fills the gap the state leaves open.
No age floor to ride a Class 1 or Class 2 e-bike. The motorized-bicycle bucket that faster bikes fall into carries a 16-year-old minimum (MGL c.90 s.1B).
Because Class 1 and Class 2 e-bikes are bicycles, the bicycle helmet law applies: riders 16 or younger must wear an approved helmet (MGL c.85 s.11B). Motorized-bicycle operators wear one at every age.
Where You Can Ride
- Roads & bike lanesClass 1 and Class 2 e-bikes have full access to roads and bike lanes, with the same rights and duties as bicycles (MGL c.85 s.11B-3/4).
- Bike & multi-use pathsPermitted on paved bikeways and shared-use paths, unless a city, town, or agency restricts them after a public notice and hearing.
- Rail trails & state parksGenerally allowed on paved DCR shared-use paths and rail trails; natural-surface and single-track trails are off-limits unless local rules say otherwise. Check posted signage.
- SidewalksBanned statewide for all e-bikes, with a fine up to $20 (MGL c.85 s.11B-3/4) - stricter than the rule for pedal bicycles.
- Out-of-class e-motosA 28 mph e-bike, a throttle bike that assists past 20 mph, or anything over 750 watts is not an electric bicycle here. It is a motorized bicycle that needs a license, registration, plates, and a helmet, and is barred from bike paths.
Effective November 8, 2022 under Massachusetts MGL c.90 s.1 & c.85 s.11B-3/4 (enacted via Massachusetts H.5151). Statutes: MGL c.90 s.1, c.90 s.1B, c.85 s.11B, c.85 s.11B-3/4 (enacted via Massachusetts H.5151). Cities and park districts can add their own path and trail restrictions — check signage where you ride. Last reviewed June 2026.