Cybervelo EK4 Folding Electric Bike Review: Does the 80-Mile Range Hold Up in 2026?

The Cybervelo EK4 folding electric bike is a strong budget-tier e-bike that punches well above its $699 price point. The 1000W peak brushless motor produces enough torque for hill climbing on grades most commuters encounter daily, and acceleration from a stop feels confident across all 5 pedal-assist levels. The 48V 20.8Ah lithium battery stores 998Wh of energy — roughly double the watt-hours of competing folders in this price bracket — which supports the advertised 80-mile max range under pedal-assist conditions.

The Cybervelo EK4 suits riders who commute long distances, live in hilly terrain, or need a bike that fits in a car trunk or studio apartment. The 20-inch fat tires (4-inch width) handle gravel, packed dirt, and wet pavement with stability that narrower tires cannot match. The removable 48V battery can be detached and carried inside for apartment charging, and the 7-speed Shimano drivetrain gives riders mechanical gear options beyond the 3 assist modes.

The Cybervelo EK4 has real trade-offs to consider. There are no integrated front or rear lights, requiring a separate purchase for any riding before sunrise or after sunset. Weight is not published by the manufacturer, which matters when carrying the folded bike up stairs or onto transit. Rear suspension is absent — only a front fork is present — so rough pavement transmits directly to the rider. The EK4 also lacks UL 2849 certification, which some apartment buildings and insurers now require for indoor battery charging. Riders over 200 lbs should confirm the weight limit with the seller before purchasing.