Why it matters
In Great Britain, the legal category is crucial. A compliant electrically assisted pedal cycle (EAPC) is treated differently from an electric cycle that falls outside the EAPC definition.
The fundamentals
GOV.UK states that an EAPC must have pedals that can propel it. Its motor must have no more than 250 watts continuous rated power and must not be able to propel the bike above 15.5mph. Riders must be at least 14.
Choosing for real journeys
A compliant EAPC does not need a driving licence, registration, vehicle tax or compulsory motor insurance in Great Britain.
Practical considerations
EAPCs can be ridden on cycle paths and wherever pedal cycles are allowed, but GOV.UK states that they cannot be ridden on pavements.
UK guidance
A 500W headline does not automatically tell you the legal status of a bike. GOV.UK specifies 250W continuous rated power for an EAPC. A vehicle outside the EAPC rules can be treated as a motorcycle or moped.
Technology and safety
GOV.UK explains that twist-and-go cycles capable of propulsion without pedalling may require vehicle approval. An off-road mode does not automatically make a bike road legal.
How to compare
GOV.UK also specifies required markings, including continuous rated power and manufacturer information. Northern Ireland has separate guidance, so riders there should check the current rules applying locally.
More Smart Cycling guides
People Also Ask
What is the legal wattage?
An EAPC motor must have no more than 250W continuous rated power.
What is the legal speed?
Motor assistance must not propel a Great Britain EAPC above 15.5mph.
Can you ride an e-bike on the pavement?
No, GOV.UK states that EAPCs cannot be ridden on pavements.
How old do you have to be?
You must be 14 or over to ride an EAPC in Great Britain.
Official UK sources
GOV.UK — Riding an electric bike: the rules
GOV.UK — Battery safety for e-cycle users
GOV.UK — Third Cycling and Walking Investment Strategy