Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
Excellent power-to-weight ratio
Power-to-weight is high compared with similar e-bikes.
Power-to-weight is high compared with similar e-bikes.
Motor power is high for this type of e-bike.
The calculated power-to-weight score is 25.97.
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 125.
Range is strong despite only average or smaller battery capacity, which supports the efficiency result.
98
Excellent hill climbing support
Torque is above average for this type of e-bike.
Torque is above average for this type of e-bike.
Power-to-weight is high compared with similar e-bikes.
Motor power is high compared with similar e-bikes.
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 calculated power-to-weight score is 25.97.
94
Excellent rider information and 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.
Multiple ride modes should give the rider more control over assistance levels.
Torque and cadence sensing should improve how precisely the bike responds to rider input.
With stronger motor output, clear controls and ride modes become more useful.
89
Excellent off-road capability
The mountain bike design should be well suited to off-road riding.
The mountain bike design should be well suited to off-road riding.
Front suspension should help absorb bumps on rougher surfaces.
Hydraulic disc brakes should help with control on loose or uneven terrain.
Torque is strong compared with similar e-bikes, which should help on loose or uneven climbs.
The 29-inch wheel size should help rollover and stability on rougher terrain.
88
Excellent technical trail control
The mountain bike design is well suited to technical trail control.
The mountain bike design is well suited to technical trail control.
Front suspension should help with control over roots, bumps and rougher sections.
Hydraulic disc brakes should provide the control needed for technical trail riding.
The brake specification appears to include larger rotors, which can help braking power and heat management.
The 29-inch wheel size should help rollover and stability on technical terrain.
Torque is above average for this type of e-bike.
Torque-sensing assistance should help with smoother control on technical sections.
Power-to-weight is strong, which should help with technical sections that need quick support.
Multiple ride modes should help the rider manage assistance on technical trails.
86
Excellent braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
Hydraulic disc brakes should provide strong and controlled stopping power.
The brake specification appears to include larger rotors, which can help braking power and heat management.
83
Good acceleration support
Motor power is high compared with similar e-bikes.
Motor power is high compared with similar e-bikes.
Torque is above average for this type of e-bike.
Power-to-weight is high compared with similar e-bikes.
Torque-sensing assistance should make the motor response feel more natural.
The calculated power-to-weight score is 25.97.
83
Good range-to-weight balance
Range is high compared with similar e-bikes.
Range is high compared with similar e-bikes.
The bike weight is average for this type of e-bike.
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 3.25.
The calculated range per battery unit is 125.
83
Useful removable battery
The removable battery makes charging, storage and battery handling more flexible.
The removable battery makes charging, storage and battery handling more flexible.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.
The longer charging time makes it more useful to charge the battery separately from the bike.
Overview
The Trek Powerfly+ 4 Gen 5 is a capable mountain e-bike built for trail riding, offering strong motor support and efficient range for off-road adventures. Its powerful motor and high torque make climbing steep terrain feel effortless, while the hydraulic disc brakes provide confident stopping power on rough trails. The carbon frame keeps it relatively light for its class, though it still requires some effort to lift when needed. While the battery provides a decent range for most rides, it charges relatively slowly, which could be a consideration for frequent users. Overall, it's a well-rounded e-bike for serious trail riding, with a few trade-offs in charging time and weight that are typical for its category.
Best For
✓
This mountain e-bike should suit riders who prioritize off-road performance, hill climbing support and trail control. Its high torque and power-to-weight ratio make it well-suited for challenging terrain, while the hydraulic disc brakes and front suspension provide confidence on rough trails. The above-average range and removable battery also make it a practical choice for longer rides or multi-day adventures.
Who Should Avoid It
×
Riders who prioritize fast charging or need extended range for multi-day off-road adventures may want to compare alternatives. The charge time is notably slower than similar mountain e-bikes, and the battery capacity is average for this category, which could limit range on longer rides. However, the bike still offers strong hill climbing support and excellent off-road capability, making it a solid choice for riders focused on performance over extended battery life or quick recharging.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
34
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.
Hydraulic disc brakes are a strong everyday setup, though they may need occasional specialist servicing.
A removable battery makes charging, storage and battery care easier.
Tyres are listed, but there is no clear puncture-protection signal.
The carbon frame material can be lightweight, though damage checks may need more care.
The mountain bike format may involve more wear from rougher riding and more complex components.
A higher number of gears can add drivetrain complexity.
7
Limited storage practicality
Poor
The frame does not appear to fold, so storage will depend more on size and weight.
The frame does not appear to fold, so storage will depend more on size and weight.
The removable battery can make storage and indoor charging more flexible.
30
Some lifting limitations
Weak
The bike weight is average for this type of e-bike.
The bike weight is average for this type of e-bike.
The listed weight is 23.1 kg.
The carbon frame material should help keep weight down.
The removable battery can reduce the weight when lifting or moving the bike.
The mountain bike format can be bulkier and harder to lift than simpler urban e-bikes.
The 29-inch wheel size can make the bike more awkward to lift or store.
83
Useful removable battery
Good
The removable battery makes charging, storage and battery handling more flexible.
The removable battery makes charging, storage and battery handling more flexible.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.
The longer charging time makes it more useful to charge the battery separately from the bike.
0
Very slow charging speed
Poor
Charging time is high compared with similar e-bikes.
Charging time is high 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 125.
Range is strong despite only average or smaller battery capacity, which supports the efficiency result.
69
Decent everyday equipment
Mixed
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.
A removable battery makes daily charging and storage more flexible.
Multiple ride modes should help adapt the bike to different everyday journeys.
Hydraulic disc brakes are useful equipment for confident daily riding.
Payload capacity is average or better, which helps with bags, shopping or daily kit.
53
Mixed bad-weather practicality
Mixed
Hydraulic disc brakes should provide better control and confidence in wet conditions.
Hydraulic disc brakes should provide better control and confidence in wet conditions.
Built-in lights are not listed, so bad-weather visibility may depend on extra accessories.
The mountain bike format should offer useful control on rough or slippery surfaces.
Suspension can help control and comfort on rough, wet or uneven surfaces.
The bike weight may help it feel more planted in wet or windy conditions.
The wheel size should be workable for regular poor-weather riding, depending on tyre choice.
Frame material is listed as carbon fiber, which gives useful durability and maintenance context.
34
Some family utility limitations
Weak
Payload capacity is average for this type of e-bike.
Payload capacity is average for this type of e-bike.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 136 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility use.
Range is average or better compared with similar e-bikes, which supports practical daily use.
Where to buy
The Trek Powerfly+ 4 Gen 5 is listed at £3,000, which looks favourable against similar mountain bikes from 2026. It offers a strong balance of performance and features for its category.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £2,658.07 below average
Lowest price now: £2,800.00Best price ever seen:
£2,499.00Price drop detectedPrices update every ~24 hours
The Trek Powerfly+ 4 Gen 5 is listed at £3,000, which sits comfortably against similar mountain e-bikes from 2026, offering a price that feels reasonable for the features included. It compares well with rivals in terms of range, torque support, and the efficiency of its battery use, which should be reassuring for riders looking for strong performance on varied trails. However, charging time of around 6.8 hours is a bit slower than some alternatives, which could be a consideration for those who ride frequently or need quick turnaround between rides. For a mountain e-bike, the balance of power, weight, and braking capability makes it a solid option for trail-focused riders who prioritize control and hill support. Buyers who value strong motor output and efficient battery use over faster charging times are likely to see the value in this package. The trade-off in charging speed is something to weigh, especially if you're riding multiple days in a row or need to recharge quickly.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
65
The listed price is GBP 3,000.
The bike appears to save around GBP 1,663 versus the average.
Range is strong compared with similar e-bikes.
Motor power is strong compared with similar e-bikes.
Same power7 miles less range200 Wh less battery3 kg lighter2 more gears
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Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
0
Very slow charging speed
Charging time is high compared with similar e-bikes.
Charging time is high compared with similar e-bikes.
The quoted charging time is long in absolute terms.
5
Limited commuting practicality
The mountain bike format is less commuting-focused and may be less efficient for daily urban use.
The mountain bike format is less commuting-focused and may be less efficient for daily urban use.
Range is average or better compared with similar e-bikes, which supports commuting practicality.
Charging time is longer than average, which may be less convenient for daily use.
Built-in lights are not listed, so commuting equipment may need adding.
A removable battery makes home, office or indoor charging easier.
The display or control unit should make it easier to monitor assist level and battery use.
Hydraulic disc brakes are a strong practical feature for daily riding.
Payload capacity is average for this type of e-bike.
7
Limited storage practicality
The frame does not appear to fold, so storage will depend more on size and weight.
The frame does not appear to fold, so storage will depend more on size and weight.
The removable battery can make storage and indoor charging more flexible.
11
No built-in light advantage
Built-in lights are not listed, so separate lights may be needed.
Built-in lights are not listed, so separate lights may be needed.
The display or control unit may make light and ride-status management easier.
Battery capacity is average or better for this type of e-bike, supporting everyday powered accessories.
30
Some lifting limitations
The bike weight is average for this type of e-bike.
The bike weight is average for this type of e-bike.
The listed weight is 23.1 kg.
The carbon frame material should help keep weight down.
The removable battery can reduce the weight when lifting or moving the bike.
The mountain bike format can be bulkier and harder to lift than simpler urban e-bikes.
The 29-inch wheel size can make the bike more awkward to lift or store.
34
Some maintenance considerations
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.
Hydraulic disc brakes are a strong everyday setup, though they may need occasional specialist servicing.
A removable battery makes charging, storage and battery care easier.
Tyres are listed, but there is no clear puncture-protection signal.
The carbon frame material can be lightweight, though damage checks may need more care.
The mountain bike format may involve more wear from rougher riding and more complex components.
A higher number of gears can add drivetrain complexity.
34
Some family utility limitations
Payload capacity is average for this type of e-bike.
Payload capacity is average for this type of e-bike.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 136 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility use.
Range is average or better compared with similar e-bikes, which supports practical daily use.
35
Limited battery capacity
Battery capacity is average for this type of e-bike.
Battery capacity is average for this type of e-bike.
The listed battery capacity should be practical for regular riding.
E-system & battery comparison
Motor Power
600 watts
▲ 160 W above average
Motor Torque
85 Nm
▲ 6.5 Nm above average
Power-to-weight
25.97 W/kg
▲ 5.6 W/kg above average
Battery Capacity
600 Wh
▼ 31 Wh below average
Claimed Max Range
75 miles
▲ 14 miles above average
Charge Time
6h 45m
▲ 90 mins slower than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
Yes
Motor Name
Bosch Performance Line CX
This mountain e-bike offers a strong and responsive motor setup that should feel lively and supportive on trails, with good balance between power and control. The motor support compares well with similar e-bikes, delivering strong torque that should help with climbing and low-speed technical sections. The power-to-weight balance should make the assistance feel more responsive, especially when accelerating or navigating rough terrain. With torque and cadence sensing, the motor should deliver smooth and predictable assistance, adapting to the rider's effort and cadence for better trail control. Riders looking for a mountain e-bike that feels capable on climbs and technical trails, while maintaining a natural and controlled ride, should 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 long off-road rides?
Yes, the Trek Powerfly+ 4 Gen 5 is well-suited for long off-road rides, thanks to its powerful motor and high torque, which make climbing steep trails and navigating rough terrain much easier. The hydraulic disc brakes provide confident stopping power, and the bike's design is built for trail riding. However, the battery offers a decent range for most rides, but it charges relatively slowly, which could be a consideration for frequent or multi-day adventures.
How does the motor perform when climbing steep trails?
The motor should handle steep climbs with confidence, thanks to its 600W power and 85Nm of torque, which are both strong for a mountain e-bike. This combination provides good acceleration and support when tackling rough or steep trails, though you may still need to pedal actively for the best performance. The motor's power-to-weight ratio is high, which helps maintain control and responsiveness on challenging terrain.
Does the bike offer enough range for multi-day adventures?
The Trek Powerfly+ 4 Gen 5 offers a range of 75 miles on a single charge, which should be sufficient for most multi-day adventures, especially when combined with the option to carry a spare battery. However, the battery charges relatively slowly compared to similar e-bikes, so planning charging stops during longer trips may be necessary. For serious off-road use, this range is competitive, but frequent riders may want to consider charging logistics when planning extended trips.
How easy is it to charge the battery, and how long does it take?
The battery on the Trek Powerfly+ 4 Gen 5 is removable, which makes charging more convenient, especially if you're riding in remote areas. However, it does take longer to charge compared to some similar e-bikes, so you may want to plan ahead if you're riding frequently or need a quick top-up. The charging time is something to consider if you're looking for a bike that can be ready to ride quickly after a full charge.
Is the bike comfortable for rough terrain and trail riding?
The Trek Powerfly+ 4 Gen 5 is designed for trail riding and rough terrain, with a carbon frame that offers decent comfort and a front suspension to help absorb bumps. The hydraulic disc brakes provide confident stopping power, which is essential for unpredictable trail conditions. While the bike is well-suited for most off-road adventures, its average weight might make it slightly less convenient to carry when needed, and the battery range, while good for most rides, may require planning for longer trips.
How does the power-to-weight ratio affect the riding experience?
A high power-to-weight ratio means the bike can accelerate and climb more efficiently, which is especially useful on steep trails. With a 600W motor and an average weight of 23.1kg, this e-bike offers strong performance without feeling overly heavy. This balance helps maintain control and responsiveness, making it easier to navigate technical terrain with confidence.
Is this bike a good value option compared to similar e-bikes?
The Trek Powerfly+ 4 Gen 5 offers strong performance for its price, especially with its high motor power and efficient battery range, making it a solid choice for trail riding. While the listed price is GBP 3,000, the bike's capabilities in climbing, braking, and off-road comfort justify the cost for serious riders. However, the slower charging time and average battery capacity might be a consideration for those needing frequent or extended use. Overall, it's a well-rounded mountain e-bike that delivers good value for its intended purpose.
What are the main limitations or trade-offs of this bike?
The Trek Powerfly+ 4 Gen 5 is a strong mountain e-bike, but it has a few trade-offs to consider. While the battery provides a decent range for most trail rides, it charges relatively slowly, which might be a drawback for frequent users. The bike's weight is average for its category, so it may require some effort to lift when needed. Additionally, while the price is reasonable for a high-performance mountain e-bike, it may not be the most budget-friendly option for all buyers.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2026
The bike was released this year
Screen
Bosch Purion 200
Lights Included
No
Weight (inc battery): 23.1 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 0.10 kg over the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS | S 155–165 cm (5′1″–5′5″) | M 165–176 cm (5′5″–5′9″) | L 177–188 cm (5′10″–6′2″) | XL 188–195 cm (6′2″–6′5″)
Adjustable Sizing
Adjustable saddle height
Folded Dimensions
n/a
Wheel & Tire Details
Wheelset Name
Bontrager Line TLR 30 rims; Formula DC-511 (front) and DC-1248 (rear) sealed bearing hubs
Wheelset Size
29 inch
Tires
Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40"
Frame Info
Frame Material
Carbon Fiber
Suspension Type
Front Suspension
Foldable Frame
No
Max Payload
136 kg (299.8 lbs)
Drivechain Details
Groupset details
Shimano CUES U6000 10-speed
Drivechain type
Chain drive
Shifters
Shimano CUES U 6000, 10-speed
Amount of gears
10 Gears
Rear Derailleur
Shimano CUES U 6000
Front Derailleur
None
Cassette
Shimano CUES LG 300, 11-48 T, 10-speed
Cranks
FSA CK-220, 165 mm length
Chain
Shimano LG 500
Bottom Bracket
Integrated into the Bosch motor unit
Brakes
Brakes
Tektro CentreLock 203 mm rotors (brake model not specified)
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
180 mm or 203 mm rotors
Shifters
Shimano CUES U 6000, 10-speed
Other Components
Saddle
Unknown
Handlebars
Unknown
Bar Tape
Unknown
Manufactures Info
Worldwide Shipping:
Yes
Delivery across the globe!
Warranty:
2 Years
Limited warranty website average:
3.12 years
The TREK 2025 Powerfly+ 4 Gen 5 is a budget-friendly powerhouse, primed for any adventure, whether you're navigating the city streets or conquering rugged off-road trails. Equipped with a resilient aluminium frame, this electric mountain bike is built to withstand the toughest terrains. It features a trail-smoothing suspension fork, providing seamless performance on bumpy landscapes. An impressive Bosch Performance Line CX motor (85Nm, 250W) deli ... Read More
The TREK 2025 Powerfly+ 4 Gen 5 is a budget-friendly powerhouse, primed for any adventure, whether you're navigating the city streets or conquering rugged off-road trails. Equipped with a resilient aluminium frame, this electric mountain bike is built to withstand the toughest terrains. It features a trail-smoothing suspension fork, providing seamless performance on bumpy landscapes. An impressive Bosch Performance Line CX motor (85Nm, 250W) delivers power for uphill ascents and challenging terrains. Enhance every ride with the support you need to tackle steep climbs and withstand long commutes. The Powerfly+ 4 is diligently engineered to give you a track-worthy performance that doesn't compromise on price. Complementing the robust motor is a durable Shimano CUES 10-speed drivetrain. Improve biking performance, shift gears smoothly, and maintain optimal control over any riding condition. Tektro hydraulic disc brakes provide reliable stopping power, ensuring secure and comfortable rides each time. The Powerfly+ 4 features a PowerTube RIB 2.0 removable integrated battery (600Wh) that's easy to uninstall for travel or storage, providing an uninterrupted ride without any rattle. For an even longer journey, the bike supports Bosch PowerMore booster batteries. Customisation is important, and with the TREK Powerfly+ 4, you'll have various mounts available for your accessories, from lights to mudguards, rear racks, and kickstands. The e-bike experience gets even better with the new Bosch eBike Flow app. This app transforms your ride into a highly personalised experience, allowing you to tailor your motor's assist behaviour, monitor your ride stats, and sync your data with leading fitness apps like Strava and Apple Health. The app even includes navigation and service reminders, ensuring you never miss a beat. Experience the superior functionality of the Powerfly+ 4 Gen 5 and redefine your biking adventure.
