Explainer
E-bike speed vs range: how much faster riding costs
Riding an e-bike at 28 mph instead of 20 mph uses about 75% more energy per mile in our physics model. See the numbers, the formula and how to plan range.
9 topics · 22 guides
Electric Bikes
Pedal-assist and throttle e-bikes, tested against the numbers that matter. An e-bike is the most efficient way to move one person across a city, and one of the most confusing things to buy. Motor types, battery sizes, legal classes and torque figures all fight for your attention, while the marketing rarely tells you what changes on the road.
Latest E-Bikes guides
Buying guide
Fastest e-bikes: how fast the quickest models really go
The fastest e-bikes assist to 28 mph (45 km/h) under US Class 3 and EU speed pedelec rules. Off-road models list 46 to 50 mph. See the speed ladder and the physics.
Comparison
High-speed electric bikes: Class 3 vs speed pedelec
High-speed electric bikes assist to 28 mph (45 km/h). Compare US Class 3 e-bikes with EU speed pedelecs: rules, licences, time saved and battery cost.
Explainer
How fast do electric bikes go? Speeds by class and country
Electric bikes go 15.5 mph (25 km/h) in the UK and EU, 20 mph for US Class 1 and 2, and 28 mph for Class 3. See throttle speeds and what happens past the cut-off.
How-to
How to make an e-bike faster without breaking the law
Make an e-bike faster legally: fix tire pressure, brake rub and chain drag, ride lower, then move up a class. Why tuning kits turn a pedelec into a moped.
Guide
Jetson electric bike charger: find the right replacement
Find the right Jetson electric bike charger by matching your bike SKU to Jetson's charger chart. Check Bolt Pro, Haze, J5 and Adventure before ordering.
Buying guide
Chopper style electric bike: what to check before you buy
A chopper style electric bike looks relaxed, but fit, motor rating and local rules decide whether it works for you. Compare real listings before you buy.
Comparison
Electric chopper bike for adults: three models compared
Compare three electric chopper bikes for adults by speed, battery, load and legal questions. See which maker claims need checking before you buy.
How-to
How to store an e-bike battery in winter
Store an e-bike battery for winter at the charge its maker sets (Bosch 30 to 60%, Shimano about 70%), dry, at 0 to 20 °C, and warm it up before charging.