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Best electric folding bikes in 2026

Updated · 6 products compared · 15 features compared

The best electric folding bike is the one that fits your storage, your stairs and your journey. All six bikes here are meant to be legal pedelecs in the UK, Ireland and the EU: pedal assistance only, a motor of 250 W or less, and assistance that stops at 25 km/h.

We compared models from Decathlon, ADO, Tern and Brompton, from a budget starter to lightweight premium. Specs come from the makers' own product pages, and we quote claimed ranges, not measured ones. Prices change often, so check today's price with the buttons.

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Quick answer: Best budget: Btwin E-Fold 500. Best value lightweight: ADO Air 20 Pro. Best all-rounder: Tern Vektron P7i. Best for hills: Tern Vektron P8i. Best for commuters who carry: Brompton Electric C Line, or the P Line if weight matters most.

Electric folding bikes: compared for Ireland and United Kingdom

FeatureBtwin E-Fold 500Best budgetBtwin E-Fold 500ADO Air 20 ProBest value lightweightADO Air 20 ProTern Vektron P7iBest all-rounderTern Vektron P7iBrompton Electric C Line (4-speed)Best for commutersBrompton Electric C Line (4-speed)Tern Vektron P8iBest premium powerTern Vektron P8iBrompton Electric P Line (4-speed)Best lightweightBrompton Electric P Line (4-speed)
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Best forOccasional rides on a tight budgetClean, low-maintenance commutingDaily commuting with a full kitMixed train and walking commutesHills and heavy loadsCarrying it often, price no object
Price bandBudgetMid-rangeUpper mid-rangePremiumPremiumPremium
Motor250 W rear hub250 W Bafang H700, 2-speed auto-shifting hubBosch Active Line Plus250 W rear hubBosch PerformanceNot published
Max torque35 Nm50 Nm50 Nm24 Nm75 NmNot published
Assistance cuts out at25 km/h25 km/h25 km/h (EU)Not published25 km/h (EU)Not published
Battery252 Wh (36 V, 7 Ah), on the rear rack; 417 Wh option sold separately370 Wh (37 V, 10 Ah), in the seatpostBosch PowerPack 400 or 545 Wh345 Wh GreenwayBosch PowerPack 400 or 545 Wh345 Wh Greenway
Removable batteryYes, key-lockedYesNot publishedYes, one-clickNot publishedYes, one-click
Claimed rangeUp to 50 km (Eco); 40 km Normal, 30 km BoostUp to 100 km545 Wh: 64-140 km; 400 Wh: 46-101 kmUp to 90 km545 Wh: 55-120 km; 400 Wh: 40-87 kmUp to 90 km
Weight (brand)21.4 kg with battery21 kg (brand, net)22.9 kgFrom 17.6 kg with battery (13.85 kg without)23.8 kgFrom 16 kg with battery (12.5 kg without)
Wheel size20 in, 20 x 1.75 tyres20 in, 20 x 1.95 tyres20 in (Schwalbe Big Apple 55-406 tyres)16 in, Schwalbe Marathon Racer20 in (Schwalbe Big Apple 55-406 tyres)16 in, Continental Contact Urban
Folded size84 x 73.5 x 46 cmNot published41 x 86 x 68 cm585 x 565 x 270 mm42 x 85 x 69 cm645 x 600 x 320 mm
GearsShimano Tourney 6-speedAutomatic 2-speed, carbon belt driveShimano Nexus 7-speed hubBrompton 4-speedShimano Nexus 8-speed hubBrompton 4-speed
BrakesAluminium V-brakesHydraulic discShimano hydraulic discBrompton dual pivot calipersHydraulic discBrompton dual pivot calipers
Max load110 kg (bike, rider and luggage)Not published125 kg gross; rider max 105 kgNot published125 kg gross; rider max 105 kgNot published
Rider height145-195 cm150-200 cm147-195 cmNot published147-195 cmNot published
VerdictThe cheapest sensible way into folding e-bikes, with a removable battery, lights, guards and a rack, but modest range and basic brakes.A belt-driven, automatic-shifting folder with a big removable battery and hydraulic discs at a mid price, though the maker gives no folded size.A well-equipped Bosch folder with a hub gear, lights, mudguards and a strong rack, and a quick fold that stands upright.The classic fold in a compact electric version, with a quick-release 345 Wh battery, though torque is modest and assist speed is not stated.Bosch Performance power with 75 Nm and an eight-speed hub gear makes it the strongest hill-climber here, at the cost of weight.The lightest electric folder here, with a titanium and carbon build, but it is the most expensive and several specs are not published.

Detailed write-ups

Btwin E-Fold 500
Best budget

Btwin E-Fold 500

Best for: Occasional rides on a tight budget · Budget

The cheapest sensible way into folding e-bikes, with a removable battery, lights, guards and a rack, but modest range and basic brakes.

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Pros

  • Lowest price tier here
  • Removable key-locked battery
  • Lights, mudguards and rack fitted
  • Optional larger 417 Wh battery

Cons

  • Small 252 Wh battery as standard
  • V-brakes are less powerful than discs
  • Heavier and bulkier folded than premium rivals

The E-Fold 500 is Decathlon's entry model and it is easy to see why it is popular. For a modest outlay you get a 250 W rear hub motor with 35 Nm of torque, assistance that stops at the legal 25 km/h, and a Shimano six-speed gear set. The battery sits on the rear rack and lifts off with a key, so you can charge it indoors rather than carrying the whole bike up the stairs.

The standard 252 Wh pack is small. Decathlon claims up to 50 km in Eco mode, falling to 30 km in Boost, and those figures depend on rider weight, hills and tyre pressure, so treat them as best case. If you need more, a 417 Wh battery is sold separately, with a claimed 45 to 70 km. Lights, mudguards and the pannier rack are all built in, which saves money on accessories.

Expect compromises. The brakes are alloy V-brakes rather than discs, and at 21.4 kg it is not a bike to carry far. It folds from the side to 84 x 73.5 x 46 cm and can be rolled along while folded, but it is bulkier than a Brompton or Tern. For short commutes, shared flats and the occasional boot-of-the-car trip, it is a practical and affordable choice, and Decathlon's high street presence makes servicing simple.

Key specifications
Motor250 W rear hub
Max torque35 Nm
Assistance cuts out at25 km/h
Battery252 Wh (36 V, 7 Ah), on the rear rack; 417 Wh option sold separately
Removable batteryYes, key-locked
Claimed rangeUp to 50 km (Eco); 40 km Normal, 30 km Boost
Weight (brand)21.4 kg with battery
Wheel size20 in, 20 x 1.75 tyres
Folded size84 x 73.5 x 46 cm
GearsShimano Tourney 6-speed
BrakesAluminium V-brakes
Max load110 kg (bike, rider and luggage)
Rider height145-195 cm
EquipmentFront and rear lights, mudguards and rear rack included
FoldSide fold with lever hinges and a rubber strap; rolls while folded

Spec check note: The maker's page gives the unfolded size as 145 x 113 x 64 cm in one place and 144 x 114 x 64 cm in the spec table; we do not use it. Range is the maker's claim for Eco mode.

Specifications checked against: Decathlon Ireland product page (E-Fold 500)

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ADO Air 20 Pro
Best value lightweight

ADO Air 20 Pro

Best for: Clean, low-maintenance commuting · Mid-range

A belt-driven, automatic-shifting folder with a big removable battery and hydraulic discs at a mid price, though the maker gives no folded size.

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Pros

  • Carbon belt drive needs little upkeep
  • Automatic 2-speed shifting, no gear fuss
  • Hydraulic disc brakes and front suspension
  • 370 Wh removable battery

Cons

  • Folded dimensions not published
  • Only two gears limit steep hills
  • Mudguards not mentioned on the page

The ADO Air 20 Pro takes a different approach from most folders. A 250 W Bafang motor with a built-in two-speed automatic gearbox does the shifting for you, and a carbon belt replaces the chain, so there is no oil on your trousers and very little maintenance. Torque is 50 Nm, assistance stops at 25 km/h, and the pedal sensor is torque-based so the help feels progressive.

The 370 Wh battery slides out of the seatpost, which makes charging at a desk easy. ADO quotes up to 100 km, but that is a best-case claim and real journeys with hills, wind and a heavier rider will be shorter. Hydraulic disc brakes, an adjustable suspension fork with lockout, a 160 lumen headlight and a rear rack come as standard, and the maker lists a rider range of 150 to 200 cm.

There are gaps. ADO does not publish a folded size, so measure your boot or cupboard against the retailer's figures before ordering. At 21 kg it is manageable rather than light, and the two automatic gears are less flexible than a derailleur on long climbs. If you want a fuss-free, clean-running commuter at a mid price, it is one of the most interesting options here.

Key specifications
Motor250 W Bafang H700, 2-speed auto-shifting hub
Max torque50 Nm
Assistance cuts out at25 km/h
Battery370 Wh (37 V, 10 Ah), in the seatpost
Removable batteryYes
Claimed rangeUp to 100 km
Weight (brand)21 kg (brand, net)
Wheel size20 in, 20 x 1.95 tyres
Folded sizeNot published
GearsAutomatic 2-speed, carbon belt drive
BrakesHydraulic disc
Max loadNot published
Rider height150-200 cm
SuspensionAdjustable front fork with lockout
Lights160 lm headlight; rear rack fitted

Spec check note: ADO does not publish folded dimensions or a maximum load, so these are shown as not published. ADO's blog quotes 18 kg and its product page 21 kg net including accessories; we use the product page.

Specifications checked against: ADO UK product page (Air 20 Pro)

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Tern Vektron P7i
Best all-rounder

Tern Vektron P7i

Best for: Daily commuting with a full kit · Upper mid-range

A well-equipped Bosch folder with a hub gear, lights, mudguards and a strong rack, and a quick fold that stands upright.

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Pros

  • Bosch motor and PowerPack battery
  • Low-maintenance Nexus hub gear
  • Lights, guards, rack and kickstand included
  • Folds in about 10 seconds and stands upright

Cons

  • Heavier than the lightest folders
  • Battery removability not stated on the page
  • Wheel size not stated directly

Tern's Vektron P7i is the practical, sensible folder in this group. It uses Bosch's Active Line Plus motor, which gives up to 50 Nm and a smooth, quiet feel, with assistance that stops at 25 km/h. You choose between a 400 Wh and a 545 Wh Bosch PowerPack, and Tern's claimed ranges are wide, from 46 to 101 km on the smaller pack to 64 to 140 km on the larger, reflecting the gap between high and low assist modes.

The Shimano Nexus seven-speed hub is sealed from the weather and can be shifted while stopped, which suits stop-start city riding. Hydraulic discs, a 190 lumen front light, a rear light, full mudguards, a 27 kg rated Atlas V rack and a kickstand are all fitted, so it is ready to ride and carry shopping. The adjustable cockpit covers riders from 147 to 195 cm.

The frame folds in around 10 seconds to 41 x 86 x 68 cm and stands upright, then rolls on its wheels. At 22.9 kg it is no lightweight, and Tern lists a 125 kg gross limit with a 105 kg rider limit. Tern's page does not say whether the battery lifts off, so check that if you must charge away from the bike. For a durable everyday folder, it is a safe pick.

Key specifications
MotorBosch Active Line Plus
Max torque50 Nm
Assistance cuts out at25 km/h (EU)
BatteryBosch PowerPack 400 or 545 Wh
Removable batteryNot published
Claimed range545 Wh: 64-140 km; 400 Wh: 46-101 km
Weight (brand)22.9 kg
Wheel size20 in (Schwalbe Big Apple 55-406 tyres)
Folded size41 x 86 x 68 cm
GearsShimano Nexus 7-speed hub
BrakesShimano hydraulic disc
Max load125 kg gross; rider max 105 kg
Rider height147-195 cm
EquipmentFront and rear lights, SplashGuard mudguards, Atlas V rack (27 kg), kickstand
FoldOCL+ frame joint, about 10 seconds

Spec check note: Tern's page does not state whether the battery is removable, and gives the tyre size as 55-406 rather than naming 20 in; we infer 20 in from the ETRTO size and Tern's statement that the Vektron range uses 20 in wheels.

Specifications checked against: Tern Vektron P7i product page

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Brompton Electric C Line (4-speed)
Best for commuters

Brompton Electric C Line (4-speed)

Best for: Mixed train and walking commutes · Premium

The classic fold in a compact electric version, with a quick-release 345 Wh battery, though torque is modest and assist speed is not stated.

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Pros

  • Famously compact folded package
  • Removable 345 Wh battery
  • Light for an e-bike at 17.6 kg
  • Rolls when folded with SuperRoll option

Cons

  • Only 24 Nm of torque
  • Premium price
  • Small 16 in wheels feel less stable

Brompton's electric C Line takes the familiar three-step fold and adds a 250 W rear hub motor and a 345 Wh battery that clicks out in one move. The page lists 17.6 kg with the battery and 13.85 kg without, so the bike can be carried on its own in a way the heavier folders here cannot. The folded package is about 585 x 565 x 270 mm, small enough for under a desk or a train luggage rack.

Torque is 24 Nm, so the motor suits flat and gently rolling city streets rather than steep climbs. Brompton claims up to 90 km on a charge, taking about five hours to fill, but as always that depends on assist mode, rider weight and terrain. The four-speed drivetrain has a 163 percent gear range, braking is by dual pivot calipers, and Lezyne lights and mudguards are included.

Brompton's page does not publish the assist speed limit or a maximum rider weight, so confirm both with the retailer. Optional roller features add a rolling mode when folded. The small 16 in wheels give nimble handling but reward a smooth line on rough surfaces. If your journey mixes riding, trains and carrying, this is the most practical electric folding bike here, though it costs far more than its rivals.

Key specifications
Motor250 W rear hub
Max torque24 Nm
Assistance cuts out atNot published
Battery345 Wh Greenway
Removable batteryYes, one-click
Claimed rangeUp to 90 km
Weight (brand)From 17.6 kg with battery (13.85 kg without)
Wheel size16 in, Schwalbe Marathon Racer
Folded size585 x 565 x 270 mm
GearsBrompton 4-speed
BrakesBrompton dual pivot calipers
Max loadNot published
Rider heightNot published
EquipmentLezyne e115 stVZO lights and mudguards
FoldThree-step fold; Shopper and Suitcase modes via the seatpost

Spec check note: Brompton's page shows the folded size without units; we read it as millimetres. The page does not state the assist speed limit or maximum rider weight, so these are shown as not published. Brompton's own other listings quote older 300 Wh batteries; we use the current 345 Wh figures.

Specifications checked against: Brompton UK product page (Electric C Line, 4-speed)

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Tern Vektron P8i
Best premium power

Tern Vektron P8i

Best for: Hills and heavy loads · Premium

Bosch Performance power with 75 Nm and an eight-speed hub gear makes it the strongest hill-climber here, at the cost of weight.

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Pros

  • Strong 75 Nm Bosch Performance motor
  • Eight-speed sealed hub gear
  • Fully equipped with light, guards and rack
  • Wide 147-195 cm rider range

Cons

  • Heaviest bike in the table
  • Premium price
  • Battery removability not stated

Where the P7i is the sensible all-rounder, the Vektron P8i is the one for hills and bigger loads. It carries Bosch's Performance motor with up to 75 Nm of torque, which gives noticeably more help on steep climbs than the 24 to 50 Nm motors on other folders here. Assistance stops at 25 km/h in EU trim, and the Nexus eight-speed hub keeps gears tucked away from the weather.

Tern quotes 55 to 120 km from the 545 Wh PowerPack and 40 to 87 km from the 400 Wh version. As always, the high end of those ranges needs low assist and gentle riding. Hydraulic disc brakes, a 190 lumen front light, a rear light, SplashGuard mudguards and an Atlas V rack rated to 27 kg are included, and the cockpit adjusts for riders between 147 and 195 cm.

It folds in around 10 seconds to 42 x 85 x 69 cm, stands up on its own and rolls. At 23.8 kg it is the heaviest bike in this comparison, so it is better stored at ground level than carried upstairs. Tern lists a 125 kg gross limit and a 105 kg rider limit. If your route has real hills or you carry shopping or a child seat, it is worth the premium.

Key specifications
MotorBosch Performance
Max torque75 Nm
Assistance cuts out at25 km/h (EU)
BatteryBosch PowerPack 400 or 545 Wh
Removable batteryNot published
Claimed range545 Wh: 55-120 km; 400 Wh: 40-87 km
Weight (brand)23.8 kg
Wheel size20 in (Schwalbe Big Apple 55-406 tyres)
Folded size42 x 85 x 69 cm
GearsShimano Nexus 8-speed hub
BrakesHydraulic disc
Max load125 kg gross; rider max 105 kg
Rider height147-195 cm
EquipmentFront and rear lights, SplashGuard mudguards, Atlas V rack (27 kg)
ForkTern Tarsus, no suspension listed

Spec check note: Tern's page does not state battery removability and gives tyre size as 55-406 rather than naming 20 in; we infer 20 in from the ETRTO size and the 20 in wheels Tern states for the Vektron range.

Specifications checked against: Tern Vektron P8i product page

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Brompton Electric P Line (4-speed)
Best lightweight

Brompton Electric P Line (4-speed)

Best for: Carrying it often, price no object · Premium

The lightest electric folder here, with a titanium and carbon build, but it is the most expensive and several specs are not published.

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Pros

  • Lightest at 16 kg, 12.5 kg without battery
  • Titanium and carbon parts
  • Quick-release 345 Wh battery
  • Roller frame for rolling folded

Cons

  • Very high price
  • Motor power and torque not published on the page
  • Small 16 in wheels

The Electric P Line is Brompton's lightweight flagship. A titanium rear frame, carbon fork and aluminium crank bring the weight down to 16 kg with the battery and 12.5 kg without, which is remarkable for an e-bike and makes stairs and train steps far less of a chore. The 345 Wh battery clicks out with one move and Brompton claims up to 90 km per charge, with a five-hour full charge.

The UK version we checked comes with the Advance Roller Frame, so four small wheels on the folded base let you roll it like a suitcase. It folds to about 645 x 600 x 320 mm, a touch larger than the C Line because of the roller frame. There are four gears, dual pivot calipers, a Lezyne light and mudguards.

Brompton's page does not list motor power, torque, assist speed or a maximum rider weight, so we mark them not published; the global site mentions a 250 W motor, but we have not confirmed it on the UK page. Ask the retailer before buying. The price is the highest on this page, and the 16 in wheels need a smooth line over potholes. If you carry your folding bike daily and weight matters more than cost, nothing else here comes close.

Key specifications
MotorNot published
Max torqueNot published
Assistance cuts out atNot published
Battery345 Wh Greenway
Removable batteryYes, one-click
Claimed rangeUp to 90 km
Weight (brand)From 16 kg with battery (12.5 kg without)
Wheel size16 in, Continental Contact Urban
Folded size645 x 600 x 320 mm
GearsBrompton 4-speed
BrakesBrompton dual pivot calipers
Max loadNot published
Rider heightNot published
FrameSteel main frame, titanium rear frame, carbon fork
EquipmentLezyne e115 stVZO light, mudguards, SuperRoll+ roller frame

Spec check note: Brompton's UK page does not state motor power, torque, assist speed or a rider weight limit, so we show these as not published. The folded size is given without units; we read it as millimetres. Brompton's other pages mention an older 300 Wh battery; we use the current 345 Wh figure.

Specifications checked against: Brompton UK product page (Electric P Line, 4-speed)

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Buying guide

Weight and carrying

Folding e-bikes range from about 16 kg to nearly 24 kg here. The weight of the bike matters only if you lift it: up steps, onto a train or into a boot. Brompton's electric bikes are the lightest, and their batteries clip off to cut the carried weight further, while the Tern Vektron models are made to be rolled folded rather than lifted.

Be realistic about a 22 to 24 kg bike on stairs. If you must carry it daily, choose the lightest option or store it at ground level.

Battery, trains and planes

A removable battery lets you charge at a desk and carry less. Train rules vary by operator, and some require folded bikes to be fully packed on busy services, so check yours. Airlines treat e-bike lithium batteries as dangerous goods: batteries over 160 Wh are generally not allowed on passenger aircraft, and most e-bike batteries here are larger, so check with the airline before travelling.

Wheel size

Small 16 in wheels, as on the Bromptons, fold smaller and feel nimble but are less forgiving on potholes. The 20 in wheels on the Decathlon, ADO and Tern bikes roll more steadily over rough surfaces and suit longer rides. Wider tyres add comfort at the cost of a little speed.

Fold mechanism and folded size

Look at how long it takes to fold, whether the bike stands up by itself and whether it rolls while folded. Tern quotes about 10 seconds for the Vektron, while Brompton's fold is the most compact. Compare folded dimensions with your boot, cupboard or under-desk space, noting that ADO does not publish a folded size.

Range

Claimed range assumes light riders, flat roads and the lowest assist level. Real distances are often well below the claim, especially with hills and cold weather. As a rough guide, a 250 to 350 Wh battery suits shorter city trips, while 400 to 550 Wh is better for longer commutes. Tern's wide claimed ranges show how much assist level changes the result.

Frequently asked questions

Are electric folding bikes legal in the UK and Ireland?

Yes, if they are pedelecs: the motor helps only while you pedal, is rated at 250 W or less, and stops assisting at 25 km/h. No licence, insurance or registration is needed. Models with a throttle or higher assist speed are treated as motor vehicles.

Can I take an electric folding bike on a train?

Usually yes when folded, but rules vary by operator and some limit large bikes at busy times. Check your operator's policy, and consider a removable battery to reduce the weight you carry.

Can I take an e-bike battery on a plane?

Generally not. Airlines usually limit lithium batteries in passenger aircraft to 160 Wh, and the batteries on these bikes are larger. Check the airline's rules, or ship the battery separately by an approved carrier.

How far will a folding e-bike go on one charge?

It depends on battery size, assist level, hills and rider weight. Makers claim 30 to 50 km for the Decathlon in different modes and up to 90 to 100 km for the Brompton and ADO, but real distances are shorter.

Which electric folding bike is lightest?

Of these, the Brompton Electric P Line, listed from 16 kg with its battery and 12.5 kg without. The Brompton Electric C Line is next at 17.6 kg.

Electric folding bikes: where to buy in Ireland and United Kingdom?

For Ireland and United Kingdom we compare Amazon.ie, Decathlon, Amazon.co.uk, Argos, and Evans Cycles. No shop prices checked for Ireland yet: the buttons open each shop's live price.