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 186.67.
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 3.59.
The calculated range per battery unit is 186.67.
81
Good charging speed
Charging time is low compared with similar e-bikes.
Charging time is low compared with similar e-bikes.
The quoted charging time is long in absolute terms.
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 15.6 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.
59
Mixed power delivery feel
Torque and cadence sensing should help the motor deliver more natural and controlled assistance.
Torque and cadence sensing should help the motor deliver more natural and controlled assistance.
Ride modes are not listed, so assist adjustability is unclear.
The included display or control unit should make it easier to manage assistance levels.
Motor power is below average, which may make assistance feel less abrupt.
59
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 and cadence sensing should improve how precisely the bike responds to rider input.
52
Fair value for money
The price/value label suggests this bike offers good value.
The price/value label suggests this bike offers good value.
The listed price is GBP 3,785.
The bike appears to save around GBP 878 versus the average.
Against bikes from a similar release year, the price is expensive.
Range is strong compared with similar e-bikes.
Torque and cadence sensing adds value by improving assist control and ride feel.
A foldable frame adds practical value for storage, transport or mixed-mode commuting.
The included display or control unit adds useful everyday value.
Suspension adds some component value for comfort or control.
The bike appears to be a recent or current model.
51
Average power-to-weight ratio
Power-to-weight is average for this type of e-bike.
Power-to-weight is average for this type of e-bike.
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 16.03.
Overview
The Brompton Electric P Line Urban with Roller Frame is a compact, foldable e-bike designed for urban commuting and easy storage. It offers smooth motor support and efficient range, making it well-suited for city riding, though its motor power and torque may feel modest on steep hills. The bike’s lightweight frame and folding design make it convenient for carrying and storing, but its rim brakes may lack confidence in wet conditions. Charging is relatively quick, and the included display adds practicality for daily use, though the non-removable battery limits flexibility for charging and transport.
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 ease of storage. The lightweight design and responsive assistance also make it a good fit for riders who value a natural riding feel while needing to navigate city environments. Riders who frequently travel by train or need to store their bike in small spaces may find this model particularly convenient.
Who Should Avoid It
×
Riders who prioritize stronger braking performance or need a removable battery for easy transport may want to compare alternatives. The rim brakes may feel less confident on descents or in wet conditions, and the fixed battery setup may be less convenient for some folding bike users. Riders who need a larger battery or more torque for steep hills should also check similar e-bikes for stronger options. However, the bike still suits those who value efficient range, compact storage, and a lightweight design for urban use.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
39
Some maintenance considerations
Weak
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.
The tyre description suggests puncture protection, which should reduce maintenance interruptions.
The aluminium frame material is practical for everyday use and general maintenance.
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 15.6 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.
81
Good charging speed
Good
Charging time is low compared with similar e-bikes.
Charging time is low compared with similar e-bikes.
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 186.67.
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.
15
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 tyre description suggests useful grip or practicality for mixed and wet conditions.
The folding bike format can still be practical for mixed-mode commuting in poor weather.
Suspension can help control and comfort on rough, wet or uneven surfaces.
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 power1 Ah more battery4 kg heavierSame 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 average for this type of e-bike.
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 16.03.
0
Limited downhill control
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.
Rear suspension should add comfort and traction on uneven 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 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.
Rear suspension should help with traction and comfort on uneven trails.
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.
0
Less stable ride feel
The folding bike format can feel less planted than larger-frame e-bikes.
The folding bike format can feel less planted than larger-frame e-bikes.
The bike is lighter than average, while still likely being manageable and predictable.
The smaller wheel size may feel less stable over rough surfaces or at higher speeds.
Rim brakes may feel less confidence-inspiring in poor conditions.
Suspension should help the bike feel more settled over uneven surfaces.
Frame material is listed as aluminium, which gives useful build and ride-feel context.
0
Limited trail control
The folding bike format is usually less suited to trail control.
The folding bike format is usually less suited to trail control.
Rear suspension should help traction and comfort on uneven trails.
Rim brakes may feel less confidence-inspiring on loose, wet or uneven trails.
The smaller wheel size may feel less controlled on rougher trail surfaces.
Torque is low compared with similar e-bikes, which may limit control on steeper or looser trail sections.
Torque-sensing assistance should help with smoother power control on trails.
0
Limited load carrying
Payload capacity is below average for this type of e-bike.
Payload capacity is below average for this type of e-bike.
The listed maximum payload is more limited in absolute terms.
The listed maximum payload is 110 kg.
The folding bike format is usually less suited to heavy loads.
Rim brakes may feel less confidence-inspiring when carrying heavier loads.
Frame material is listed as aluminium, which gives useful load-carrying context.
E-system & battery comparison
Motor Power
250 watts
▼ 38 W below average
Motor Torque
30 Nm
▼ 6.2 Nm below average
Power-to-weight
16.03 W/kg
▲ 1.3 W/kg above average
Battery Capacity
300 Wh
▼ 66 Wh below average
Claimed Max Range
56 miles
▲ 2.7 miles above average
Charge Time
4h
▼ 66 mins faster than average
Sensor Type
Torque and Cadence Sensor
Motor Name
Custom-engineered Williams Advanced Engineering / Brompton front hub motor
This folding e-bike offers a smooth and predictable assistance feel that's well-suited for urban riding and short practical journeys, with a legal-style pedal assist system that prioritises control over outright power. Next to similar e-bikes, it provides a more modest level of motor punch, which should feel natural and responsive for city use rather than aggressive acceleration or steep climbs. The torque and cadence sensor helps maintain a balanced and controlled ride, especially at low speeds, though it may not offer the same level of climbing support as some alternatives with stronger motor output. The motor's efficiency and range are strong for this type of bike, making it a practical choice for daily commutes and flat terrain, while its lightweight design and compact battery help keep the bike portable and easy to handle in urban environments.
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 long daily commutes?
This bike is well-suited for long daily commutes, especially in urban environments, thanks to its efficient range of 56 miles and compact folding design, which makes it easy to store and carry. The lightweight frame and quick charging time also support regular use, though the motor power and torque may feel modest on steep hills, and the rim brakes may lack confidence in wet conditions.
How does the motor perform when climbing hills?
The motor provides smooth support for moderate hills, but it may struggle with very steep inclines due to its below-average torque for similar e-bikes. With 30 Newton meters of torque and a 250-watt motor, you'll need to pedal steadily on steeper grades. This is typical for folding e-bikes, which prioritize portability and urban practicality over heavy-duty hill climbing.
Is the battery efficient enough for regular city riding?
The battery efficiency is above average for similar folding e-bikes, which means you should get a good range for regular city riding. With a range of 56 miles, it should handle most daily commutes comfortably. However, the battery capacity is below average, so if you frequently ride longer distances or need to charge the battery away from home, you may need to plan accordingly.
How easy is it to fold and store this bike at home or in an office?
This Brompton Electric P Line Urban is designed with folding practicality in mind, making it easy to store at home or in an office due to its compact folded size. The bike's lightweight design, at 15.6 kg, should also help with lifting and carrying when needed. However, the battery is not removable, which may slightly limit flexibility for storage or transport compared to some other folding e-bikes.
Does the bike have enough power for quick acceleration in traffic?
The bike's motor power and torque are below average for similar e-bikes, which may result in slightly slower acceleration in traffic. While it should still handle typical urban speeds, you might notice a slight delay when merging or starting from a stop. The power-to-weight ratio is average, so it should manage everyday commutes without major issues, but it may not feel as punchy as some competitors in this category.
What is the charging time like for the battery?
The battery charges in about 4 hours, which is faster than average for similar folding e-bikes. This makes it convenient for daily use, especially if you need to recharge it overnight or during a lunch break. While the battery capacity is slightly below average, the bike's efficiency helps deliver a good range, so you won't need to charge it as frequently for typical city commutes.
Is this bike good value for its price compared to similar e-bikes?
This bike offers strong value for its price if you prioritize folding convenience and battery efficiency. While the price is higher than some similar e-bikes, the range is above average for this type, and the foldable design is excellent for storage and transport. However, the motor power and torque are below average, which may affect performance on hills or when accelerating quickly, and the rim brakes may feel less confident in wet conditions.
How comfortable is the ride for everyday use and longer distances?
The Brompton Electric P Line Urban offers a comfortable ride for everyday use and longer distances, thanks to its above-average range for a folding e-bike, which makes it suitable for daily commutes and extended rides. The bike's efficient range-to-weight balance ensures you can cover more ground without feeling the weight of the bike. However, the battery capacity is below average for similar e-bikes, so you may need to plan charging stops for very long trips.
eBike Overview
eBike Type: Folding Bike
The style of riding intended for this bike
Released:
2023
The bike was released 3 years ago
Screen
LED display
Lights Included
No
Weight (inc battery): 15.6 kg
The website average for electric bikes is
23.93 kg.
This electric bike is 8.34 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
One size: 147–193 cm
Folded Dimensions
Unknown
Wheel & Tire Details
Wheelset Name
Custom 16-inch (349 mm ETRTO) aluminium wheelset
Wheelset Size
16 inch
Tires
349 x 35C Continetal Contact Urban folding bead - lightweight and puncture restistant
Frame Info
Frame Material
Aluminium
Suspension Type
Rear Suspension
Foldable Frame
Yes
Max Payload
110 kg (242.5 lbs)
Drivechain Details
Groupset details
Brompton Superlight 4-speed gearing system
Drivechain type
Chain drive
Shifters
Brompton 4-speed trigger shifter
Amount of gears
4 Gears
Rear Derailleur
Brompton Advance compact 4-speed
Front Derailleur
None
Cassette
Brompton Advance 4-Speed Sprocket Set 11-13-15-18T
Cranks
6061 forged aluminium crankset with an integrated chain guard and a 54 T front chainring
Chain
Brompton Advance Superlight 4-Speed Chain
Bottom Bracket
Integrated sealed-bearing bottom bracket shell equipped with a built-in cadence and torque sensor
