Folding E-Bikes

Compact fold · fat-tire folding · lightweight · mid-drive folding · fold-flat

A folding e-bike has a hinged frame, small wheels and folding bars or pedals, so it packs down to fit on a train, under a desk or in a car trunk. It is an ordinary e-bike in law, Class 1 to 3 in the US and a 25 km/h pedelec in the EU; the fold and the weight decide whether it can actually be carried.

Legal class
E-bike, Class 1 to 3
Wheels
16 to 20 in
Usual drive
Hub motor
Fold
Frame hinge
Use
Transit, car, apartment
US safety standard
UL 2849

What a folding e-bike is

A Bike That Packs Down

A folding e-bike solves storage and the last mile: it rides to the station, folds for the train and rides on at the other end, or lives in an apartment or a car trunk. The fold, the folded size and the weight matter as much as the motor.

The type spans very different bikes. The London-built Brompton folds to a small package and is carried every day; US fat-tire folders such as the Lectric XP4 fold mainly to fit in a car or RV; Tern in Taiwan builds mid-drive folders on Bosch systems.

Chinese makers, Fiido among them, sell light, low-priced folders direct to consumers in Europe and the US, and Gocycle in the UK builds a fold-flat design with a front hub motor.

Variants

Five Kinds of Folding E-Bike

Folding e-bike variants
VariantDefining traitSuitsExamples
Compact foldThree-part fold to a small package, 16 in wheelsDaily train and bus commutingBrompton Electric C Line
Fat-tire folding20 x 3 in or wider tires, larger batteryCar trunks, RVs and boatsLectric XP4
LightweightSmall battery and hub motor to save weightCarrying up stairsFiido D11
Mid-drive foldingBosch mid-drive on a folding frameHills and longer ridesTern Vektron Gen 4
Fold-flatWheels fold alongside the frameCar storage and small spacesGocycle G4i

Drive and equipment

Hub Motors Keep the Fold Simple

Most folders use a hub motor because it leaves the folding bottom bracket area free. Brompton moved its electric line to its own e-Motiq rear hub; Gocycle uses its own front hub; Lectric and Fiido use rear hubs. Tern's Vektron is the main mid-drive folder, with a Bosch motor.

Battery size is a trade-off against carrying weight. Brompton mounts the battery in a bag on the front block so the bike can be carried without it; fat-tire folders carry large packs in the frame. See Drive Systems and Batteries & Safety.

Rules and standards

E-Bike Rules Apply; Transit Operators Set Carry Rules

In the US a folding e-bike is a Class 1, 2 or 3 e-bike under state law. Transit agencies set their own rules for carrying e-bikes on trains and buses, and many allow folded bikes when full-size bikes are not allowed. New York City has required UL 2849 certification for e-bikes sold or rented in the city since 2023.

In the EU a folding pedelec is held to 250 W and 25 km/h under EN 15194. See e-bike laws by state.

Representative brands

Five Folding E-Bike Makers

One representative model per brand. The hero chart shows each brand's lineup figure from the EbikesX brand dataset; brands with no recorded figure are left off the chart.

Representative folding e-bike brands
BrandModelVariantLegal classDriveCountry
BromptonElectric C LineCompact foldClass 1Brompton e-Motiq rear hubUK
Lectric eBikesXP4Fat-tire foldingClass 3Rear hubUSA
FiidoD11LightweightClass 1In-house rear hubChina
TernVektron Gen 4Mid-drive foldingClass 1Bosch mid-driveTaiwan
GocycleG4iFold-flat-In-house front hubUK

Core brands with folding models

Core folding brands
BrandCountryDriveBattery (Wh)Representative model
AddmotorUnited StatesBafang (some models); others unnamed, rear hub, front hub960Triketan M-330F
BromptonUnited KingdomBrompton e-Motiq (in-house), rear hub300-345Electric C Line
FiidoChinain-house hub, rear hub417D11
GoCycleUnited Kingdom--G4
Lectric EbikesUnited Statesrear hub-XP 3.0
PedegoUnited Statesunverified (Gen2 750W motor, maker not named), unverified835Ridge Rider 2
QuietKatUnited StatesBafang, mid-Apex
Rad Power BikesUnited Statesrear hub-RadRover 6 Plus
Riese & MüllerGermanyBosch, mid400, 500Load 75
TernTaiwanBosch, mid400, 500GSD

Archive brands still selling folding models, with specs from 2020: AmegoEV, GoPowerBike, Haibike, Hercules, Hilltopper Bikes, Joulvert, JupiterBike, Liberty Trike, Luna Cycle, Magnum, Mate, Maxfoot Bike, MOD Bikes, Recon Power Bikes, Revelo Bikes, SONDORS Ebikes, SSR Motorsports, Swagtron, Winora, X-treme.

Every brand on file is in the brand directory.

Record

Sources

Brand data
EbikesX brand dataset, brands_2026 and type_page_brands, checked Q4 2026
Standards
EN 15194; UL 2849; New York City Local Law 39 of 2023
Last verified
Q4 2026