Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
Excellent battery efficiency
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 162.32.
Range is strong despite only average or smaller battery capacity, which supports the efficiency result.
93
Excellent storage practicality
The foldable frame should make the bike much easier to store indoors or in tight spaces.
The foldable frame should make the bike much easier to store indoors or in tight spaces.
The folding bike format is naturally better suited to storage in flats, offices or cars.
The bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
The smaller wheel size should help reduce the bike’s storage footprint.
85
Excellent range-to-weight balance
Range is above average for this type of e-bike.
Range is above average for this type of e-bike.
The bike is lighter than average for its type.
Battery efficiency appears strong, which supports a better range-to-weight balance.
Range is strong without needing an unusually large battery, which supports efficiency.
The calculated range per kg is 3.13.
The calculated range per battery unit is 162.32.
72
Good commuting practicality
The folding bike format can be useful for trains, offices, flats and mixed-mode commuting.
The folding bike format can be useful for trains, offices, flats and mixed-mode commuting.
Range is average or better compared with similar e-bikes, which supports commuting practicality.
Charging time is average or better, which is useful for regular commuting.
Built-in lights are not listed, so commuting equipment may need adding.
A foldable frame can make storage, train travel and office parking easier.
The display or control unit should make it easier to monitor assist level and battery use.
Rim brakes can work for commuting, though they may be less confidence-inspiring in wet conditions.
The bike is lighter than many similar e-bikes, which helps with daily handling.
65
Mixed liftability
The bike is lighter than average for its type, which should help day-to-day handling.
The bike is lighter than average for its type, which should help day-to-day handling.
The listed weight is 17.9 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
The foldable frame can make the bike easier to move through tight spaces or store.
The folding bike format is usually easier to move, store or carry short distances.
The smaller wheel size should make the bike more compact and easier to handle off the bike.
56
Decent rider controls
The included display or control unit should give useful ride information and control.
The included display or control unit should give useful ride information and control.
Torque sensing should improve control by responding to rider effort.
Overview
This Brompton Electric C Line with SuperRoll+ is a compact, foldable e-bike designed for urban commuting and easy storage, making it ideal for city riders who need a convenient, space-saving solution. It offers smooth motor support and efficient range for daily use, though its lower motor power and torque may feel less punchy when accelerating or climbing steep hills. The lightweight aluminum frame and chain drive contribute to a nimble ride, but the rim brakes lack the confidence of hydraulic systems, especially in wet conditions. While the battery is efficient for its size, its capacity is on the lower side, which may require more frequent charging for longer trips.
Best For
✓
This folding e-bike should suit riders who need a compact, portable option for urban travel and mixed-mode commuting. Its efficient battery use and strong range for a folding e-bike make it appealing for those prioritising practicality and storage convenience. The natural assistance and lightweight design also make it a good fit for riders who value ease of handling and everyday usability. Riders looking for a versatile, space-saving e-bike that supports both city riding and occasional travel will likely find this model well-suited to their needs.
Who Should Avoid It
×
Riders who prioritize strong braking confidence or need a removable battery for easy transport may want to compare alternatives. Rim brakes can feel less reassuring on an e-bike, especially in wet conditions or on descents, and the fixed battery may be less convenient for some users. Riders who need faster charging or more maintenance-friendly components might also find stronger options next to rivals. However, the bike still suits those who value compact storage, efficient range, and practical commuting features.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
23
More maintenance likely
Poor
Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.
Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.
Rim brakes are simple, but can wear faster in poor weather and wet conditions.
Tyres are listed, but there is no clear puncture-protection signal.
The aluminium frame material is practical for everyday use and general maintenance.
A higher number of gears can add drivetrain complexity.
93
Excellent storage practicality
Excellent
The foldable frame should make the bike much easier to store indoors or in tight spaces.
The foldable frame should make the bike much easier to store indoors or in tight spaces.
The folding bike format is naturally better suited to storage in flats, offices or cars.
The bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
The smaller wheel size should help reduce the bike’s storage footprint.
65
Mixed liftability
Mixed
The bike is lighter than average for its type, which should help day-to-day handling.
The bike is lighter than average for its type, which should help day-to-day handling.
The listed weight is 17.9 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
The foldable frame can make the bike easier to move through tight spaces or store.
The folding bike format is usually easier to move, store or carry short distances.
The smaller wheel size should make the bike more compact and easier to handle off the bike.
8
No removable battery advantage
Poor
The folding bike format benefits from removable battery flexibility for storage and transport.
The folding bike format benefits from removable battery flexibility for storage and transport.
The folding frame and removable battery combination should make storage and transport more flexible.
23
Very slow charging speed
Poor
Charging time is average for this type of e-bike.
Charging time is average for this type of e-bike.
The quoted charging time is long in absolute terms.
100
Excellent battery efficiency
Excellent
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 162.32.
Range is strong despite only average or smaller battery capacity, which supports the efficiency result.
35
Some everyday equipment gaps
Weak
The included display or control unit adds useful ride information for daily use.
The included display or control unit adds useful ride information for daily use.
Rim brakes are usable everyday equipment, though less confidence-inspiring in poor weather.
A foldable frame adds useful everyday storage and transport flexibility.
The folding bike format adds practical everyday transport flexibility.
0
Limited bad-weather practicality
Poor
Rim brakes can feel less confidence-inspiring in wet conditions.
Rim brakes can feel less confidence-inspiring in wet conditions.
Built-in lights are not listed, so bad-weather visibility may depend on extra accessories.
The folding bike format can still be practical for mixed-mode commuting in poor weather.
Frame material is listed as aluminium, which gives useful durability and maintenance context.
10
Limited family utility practicality
Poor
The folding bike format can be practical for storage, but usually has less utility capacity.
The folding bike format can be practical for storage, but usually has less utility capacity.
The listed maximum payload is 110 kg.
Range is average or better compared with similar e-bikes, which supports practical daily use.
4 miles more rangeSame power0 Ah less battery2 kg heavier8 fewer gears
No higher-power alternatives found.
Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
0
Limited motor punch
Motor power is below average for this type of e-bike.
Motor power is below average for this type of e-bike.
Torque is below average for this type of e-bike.
Power-to-weight is low.
Torque-sensing assistance should make the motor response feel more natural.
The bike is lighter than many similar e-bikes, which should help responsiveness.
The calculated power-to-weight score is 13.97.
0
Not ideal for steep hills
Torque is below average for this type of e-bike.
Torque is below average for this type of e-bike.
Power-to-weight is low.
Motor power is below average for this type of e-bike.
The torque-sensing assistance should help the bike respond more naturally on climbs.
The bike has 10 or more gears, which should help on varied climbs.
The bike is lighter than many similar e-bikes, which should help on climbs.
The calculated power-to-weight score is 13.97.
0
Limited downhill control
No suspension may reduce control and comfort on rough or steeper descents.
No suspension may reduce control and comfort on rough or steeper descents.
The brake type may limit confidence on descents.
0
Not very off-road capable
The folding bike format is usually less suited to rough off-road riding.
The folding bike format is usually less suited to rough off-road riding.
No suspension limits comfort and control on rough off-road terrain.
Rim brakes may be less confidence-inspiring for off-road use, especially in wet or muddy conditions.
Torque is low compared with similar e-bikes, which may limit off-road climbing support.
The smaller wheel size is usually less suited to rough off-road terrain.
0
Limited braking confidence
Rim brakes are likely to feel less confidence-inspiring on an e-bike, especially in wet conditions or on descents.
0
Limited rough-road comfort
No suspension may make rough roads, potholes and uneven paths feel harsher.
No suspension may make rough roads, potholes and uneven paths feel harsher.
The smaller wheel size may feel less smooth over potholes and rough surfaces.
Rim brakes may feel less controlled on rougher or wet routes.
Frame material is listed as aluminium, which gives useful comfort and build context.
0
Low power-to-weight ratio
Power-to-weight is low compared with similar e-bikes.
Power-to-weight is low compared with similar e-bikes.
Motor power is below average for this type of e-bike.
The bike is lighter than many similar e-bikes, which helps the power-to-weight balance.
The calculated power-to-weight score is 13.97.
0
Limited technical trail control
The folding bike format is usually less suitable for technical trail riding.
The folding bike format is usually less suitable for technical trail riding.
No suspension is a major limitation for technical trail control.
Rim brakes are a major limitation for technical trail control.
The smaller wheel size is usually less suitable for technical trail control.
Torque is low compared with similar e-bikes, which may limit technical climbing and control.
Torque-sensing assistance should help with smoother control on technical sections.
E-system & battery comparison
Motor Power
250 watts
▼ 38 W below average
Motor Torque
30 Nm
▼ 6.2 Nm below average
Power-to-weight
13.97 W/kg
▼ 0.7 W/kg below average
Battery Capacity
345 Wh
▼ 21 Wh below average
Claimed Max Range
56 miles
▲ 2.7 miles above average
Charge Time
5h
▼ 6.3 mins faster than average
Sensor Type
Torque Sensor
Motor Name
Custom-built Brompton e-Motiq rear hub motor
This folding e-bike offers a legal-style pedal assist that feels natural and proportional to rider effort, with a torque sensor helping to make the assistance feel smooth and responsive for urban riding. Next to similar e-bikes, it provides more modest support than some alternatives, which may be acceptable for flatter, city-focused journeys. The motor should assist reasonably on gentle inclines but may feel less punchy when accelerating or tackling steeper hills, especially when carrying a load. The torque-sensing system should help maintain control at low speeds, which is important for maneuvering in tight urban spaces. Riders looking for a lightweight, efficient folding e-bike that prioritizes range and practicality over high-power performance may find this motor setup well-suited to their needs.
This explanation is based on the bike’s motor power, torque, battery capacity, claimed range, charging
time, sensor type and how those figures compare with similar e-bikes in our database.
eBike FAQs
Is this bike suitable for daily commuting and folding for transport?
Yes, this Brompton Electric C Line is well-suited for daily commuting, thanks to its compact design and efficient range of 56 miles on a single charge. Its folding feature makes it easy to carry on public transport or store in small spaces, which is ideal for urban riders. However, the lower motor power and torque may make it feel less responsive when accelerating or climbing steep hills, and the rim brakes might lack confidence in wet conditions.
How does the motor perform when climbing hills or accelerating from a stop?
The motor provides smooth support for climbing hills and accelerating from a stop, but it may feel less punchy compared to similar e-bikes. With 250W of power and 30Nm of torque, it should handle moderate inclines and city traffic comfortably, though it may struggle with very steep hills. The torque sensor ensures responsive assistance, but the motor's performance is on the lower end for this type of folding e-bike.
What is the real-world range on a single charge for typical city use?
This e-bike offers a real-world range of around 56 miles on a single charge, which should be sufficient for most city commutes and daily use. The range is above average for similar folding e-bikes, meaning you can expect good efficiency from its battery size. However, the battery capacity is below average, so if you need extended range or frequent long trips, you may need to plan for more frequent charging.
How practical is this bike for storage in small spaces or indoors?
This Brompton Electric C Line is very practical for storage in small spaces or indoors, thanks to its foldable frame design, which makes it easy to tuck away in a corner or under a desk. The bike's weight of 17.9 kg also helps with handling and portability, though it may require some effort to lift and carry when folded. While the battery is not removable, the compact size of the bike overall makes it a strong choice for urban storage and transport needs.
Is the battery capacity sufficient for longer rides or does it limit range?
The battery capacity is below average for similar e-bikes, but the bike's range of 56 miles is above average for this type, thanks to efficient energy use. This means it should handle longer rides well for most daily commuting needs, though the lower battery capacity may limit extended trips without access to charging. The 5-hour charge time is typical for similar folding e-bikes, so you'll need to plan charging stops for very long journeys.
How does the braking system feel, especially on descents or in wet conditions?
The braking system uses rim brakes, which may feel less confident on descents or in wet conditions compared to disc brakes. This is common for folding e-bikes, where rim brakes are often used for their compact design and weight savings. For safer braking in challenging conditions, you may want to consider a model with disc brakes, especially if you frequently ride in wet or hilly areas.
Is this bike good value for money compared to similar folding e-bikes?
This bike offers good value for money if you prioritize folding convenience, storage, and efficient range for city use. While the price is higher than some similar folding e-bikes, the strong battery efficiency and practical folding design make it appealing for urban commuters. However, the lower motor power and battery capacity may limit performance for heavier riders or longer trips, so it's worth considering your specific needs before purchasing.
What are the main compromises or trade-offs of this bike for everyday use?
This bike offers excellent folding practicality and storage convenience, which is a major plus for everyday use. However, the motor power and torque are below average for similar e-bikes, which may make acceleration and hill climbing feel less responsive. The low power-to-weight ratio also means it might not be as efficient for frequent stops and starts in city traffic. These trade-offs are typical for folding e-bikes with a focus on portability over raw performance.
eBike Overview
eBike Type: Folding Bike
The style of riding intended for this bike
Released:
2026
The bike was released this year
Screen
e-Motiq Handlebar controller with Start Assist
Lights Included
No
Weight (inc battery): 17.9 kg
The website average for electric bikes is
23.93 kg.
This electric bike is 6.04 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
Folded Dimensions
Unknown
Wheel & Tire Details
Wheelset Name
Front Wheel: Double-wall aerodynamic rim (20-spoke lacing pattern) spun onto a standard Brompton front hub. Rear Wheel: Custom e-Motiq double-wall rim assembly containing the built-in 250 W / 24 Nm rear hub motor
