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 above 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 30.3.
100
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.
Built-in lights add useful everyday control and visibility integration.
With stronger motor output, clear controls and ride modes become more useful.
92
Excellent smooth power delivery
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.
Multiple ride modes should help riders choose a smoother level of assistance.
The included display or control unit should make it easier to manage assistance levels.
Motor power is above average, so smoothness will depend more on the sensor and controller setup.
86
Excellent downhill control
Front and rear suspension should improve control and confidence on descents.
Front and rear suspension should improve control and confidence on descents.
Hydraulic disc brakes should provide controlled braking on descents.
The mountain bike design should be better suited to controlled descending.
84
Useful built-in lights
Built-in lights are included, which is useful for commuting and low-light riding.
Built-in lights are included, which is useful for commuting and low-light riding.
The display or control unit may make light and ride-status management easier.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
75
Well-equipped for daily use
Built-in lights add useful everyday practicality.
Built-in lights add useful everyday practicality.
The included display or control unit adds useful ride information for daily use.
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.
74
Good 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 and rear suspension should improve control and comfort off-road.
Hydraulic disc brakes should help with control on loose or uneven terrain.
Torque is low compared with similar e-bikes, which may limit off-road climbing support.
The 700c wheel size may suit gravel or light mixed-surface riding, depending on tyre setup.
72
Good 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 and rear suspension should significantly improve control on technical trails.
Hydraulic disc brakes should provide the control needed for technical trail riding.
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.
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.
66
Mixed trail control
The mountain bike format should feel well suited to trail riding.
The mountain bike format should feel well suited to trail riding.
Front and rear suspension should improve control on uneven trails.
Hydraulic disc brakes should improve control on loose or uneven trails.
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.
Power-to-weight is strong, which should help when controlling the bike over uneven trail sections.
Overview
The Merida ETMO 400 is a mountain bike designed for trail riding, offering a responsive and capable ride with its 500W motor and 60Nm of torque. Its aluminium frame and dual suspension make it well-suited for rough terrain, while the hydraulic disc brakes provide confident stopping power. The motor’s smooth assistance and good power-to-weight ratio make it feel lively and controlled on varied trails. However, the battery’s limited capacity and slower charging time may require careful planning for longer rides, and the non-removable battery means you’ll need to keep the whole bike near a power source to recharge.
Best For
✓
This mountain e-bike should suit riders who prioritize off-road performance and want a balance of power and agility on trails. Its high power-to-weight ratio and smooth power delivery make it responsive and easy to control, especially on rougher terrain. The hydraulic disc brakes and front and rear suspension also provide confidence and comfort for trail riding. Riders who value a natural riding feel and need a bike that can handle varied off-road conditions may find this model particularly appealing.
Who Should Avoid It
×
Riders who frequently tackle long off-road rides or steep hills may want to compare alternatives, as the range and torque are below average for similar mountain e-bikes. The battery capacity is also lower than expected for this type of bike, which could limit endurance on extended trails. However, the bike still offers a strong power-to-weight ratio and smooth power delivery, making it a solid choice for riders prioritizing responsive assistance and controlled off-road performance.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
24
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.
Hydraulic disc brakes are a strong everyday setup, though they may need occasional specialist servicing.
Tyres are listed, but there is no clear puncture-protection signal.
The aluminium frame material is practical for everyday use and general maintenance.
Built-in lights reduce the need to manage separate lighting accessories.
The mountain bike format may involve more wear from rougher riding and more complex components.
A higher number of gears can add drivetrain complexity.
Front and rear suspension can add maintenance complexity.
0
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 bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
59
Mixed liftability
Mixed
The bike is very light compared with similar e-bikes, which should make it easier to lift and move.
The bike is very light compared with similar e-bikes, which should make it easier to lift and move.
The listed weight is 16.5 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
The mountain bike format can be bulkier and harder to lift than simpler urban e-bikes.
6
No removable battery advantage
Poor
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.
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.
29
Low battery efficiency
Poor
Battery efficiency appears average for this type of e-bike.
Battery efficiency appears average for this type of e-bike.
The calculated range per battery unit is 92.59.
75
Well-equipped for daily use
Good
Built-in lights add useful everyday practicality.
Built-in lights add useful everyday practicality.
The included display or control unit adds useful ride information for daily use.
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.
61
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 useful for rain, low light and darker commutes.
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.
A very light e-bike may feel less planted in poor weather or windy conditions.
The wheel size should be workable for regular poor-weather riding, depending on tyre choice.
Frame material is listed as aluminium, which gives useful durability and maintenance context.
43
Some family utility limitations
Weak
Payload capacity is above average for this type of e-bike.
Payload capacity is above average for this type of e-bike.
The listed maximum payload should be useful for family or utility riding.
The listed maximum payload is 140 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
Built-in lights are useful for school runs, errands and daily utility riding.
Where to buy
Priced at £3,650, the Merida ETMO 400 looks favourably positioned against similar 2026 mountain bikes, offering a compelling balance of performance and features. Its value is supported by a strong component spec, though buyers should consider if the chosen components align with their specific riding needs.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £2,008.07 below average
The Merida ETMO 400 is listed at £3,650, which sits comfortably against similar mountain e-bikes from 2026, offering a price that feels reasonable for the features included. It stands out with its strong motor output and unusually light frame, which together provide a responsive and agile ride on rough terrain, while the hydraulic disc brakes and front and rear suspension add confidence and control. However, some similar e-bikes may offer a larger battery or extended range, and a non-removable battery could be a drawback for riders who need more flexible charging options. For a mountain e-bike focused on trail performance and agility, the Merida ETMO 400’s balance of power, weight and suspension makes it appealing to riders who prioritise handling and responsiveness over maximum range. Buyers looking for a lightweight, well-suspended e-bike with strong motor support are likely to see the value in this package, though those needing longer range or easier battery access might find alternatives more suitable.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
60
The listed price is GBP 3,650.
The bike appears to save around GBP 1,013 versus the average.
Motor power is strong compared with similar e-bikes.
Power-to-weight is strong for the price context.
Payload capacity is strong compared with similar e-bikes.
100W more power11 miles less range85 Wh more battery9 kg heavier1 more gears
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Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
0
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 bike is lighter than many similar e-bikes, which should make storage and moving it around easier.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
6
No removable battery advantage
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
The battery does not appear to be removable, so the whole bike may need to be near a charging point.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.
7
Limited longer-ride suitability
Range is below average compared with similar e-bikes, so longer rides may need more planning.
Range is below average compared with similar e-bikes, so longer rides may need more planning.
Battery capacity is low compared with similar e-bikes.
Battery efficiency appears broadly average.
The battery does not appear to be removable, which can make charging less flexible on longer days.
Charging time is average for this type of e-bike.
The display or control unit should make it easier to monitor assistance and battery use on longer rides.
11
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 below average, but may still be usable for shorter commutes.
Charging time is average or better, which is useful for regular commuting.
Built-in lights are useful for commuting and low-light riding.
A non-removable battery can make charging less flexible.
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 strong compared with similar e-bikes, which helps with bags, shopping or extra kit.
The bike is lighter than many similar e-bikes, which helps with daily handling.
Front and rear suspension can add weight and complexity for normal commuting.
19
Low battery capacity
Battery capacity is below average for this type of e-bike.
Battery capacity is below average for this type of e-bike.
The listed battery capacity should be practical for regular riding.
23
Very slow charging speed
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.
24
More maintenance likely
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.
Tyres are listed, but there is no clear puncture-protection signal.
The aluminium frame material is practical for everyday use and general maintenance.
Built-in lights reduce the need to manage separate lighting accessories.
The mountain bike format may involve more wear from rougher riding and more complex components.
A higher number of gears can add drivetrain complexity.
Front and rear suspension can add maintenance complexity.
29
Low battery efficiency
Battery efficiency appears average for this type of e-bike.
Battery efficiency appears average for this type of e-bike.
The calculated range per battery unit is 92.59.
E-system & battery comparison
Motor Power
500 watts
▲ 60 W above average
Motor Torque
60 Nm
▼ 18 Nm below average
Power-to-weight
30.30 W/kg
▲ 9.9 W/kg above average
Battery Capacity
540 Wh
▼ 91 Wh below average
Claimed Max Range
50 miles
▼ 11 miles below average
Charge Time
5h 30m
▲ 15 mins slower than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
No
Motor Name
Bosch Performance Line PX
This mountain e-bike offers a strong motor output for its category, with a power-to-weight balance that should make the assistance feel more responsive in real riding. Next to similar trail e-bikes, its torque is more modest, which may mean steeper climbs require a bit more rider effort, but the torque and cadence sensor should help balance natural response with predictable assistance. The motor support should feel reasonably confident on technical trails, though some alternatives may offer stronger climbing or low-speed push. The low weight of the bike may help it feel more agile, reducing the need for aggressive motor output, and the sensor setup should allow for smooth, controllable assistance across different ride modes. Riders looking for a lightweight trail e-bike that feels lively and responsive, but with some limitations on very steep climbs or long rides, 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 long off-road rides?
The Merida ETMO 400 is built for off-road use with its mountain bike design, dual suspension, and hydraulic disc brakes, which provide good stopping power on rough terrain. However, the battery capacity is below average, offering a range of around 50 miles, which may require careful planning for longer rides. The non-removable battery also means you'll need to keep the whole bike near a power source to recharge, which could be a limitation for multi-day off-road trips.
How does the motor perform when climbing steep trails?
The Merida ETMO 400’s 500W motor and 60Nm of torque should provide decent support when climbing steep trails, especially given its high power-to-weight ratio. However, the lower torque compared to similar models may mean you’ll need to manage your speed and effort carefully on very steep or technical climbs. The motor’s smooth power delivery should help maintain control, but the battery’s limited capacity might require planning for longer or more intense climbs.
Does the bike's low battery capacity affect real-world range?
The bike's battery capacity is below average for a mountain bike, which may impact real-world range, especially on longer or more demanding trails. While the motor provides strong assistance, the 540Wh battery may require careful planning for extended rides. The non-removable battery also means you'll need to keep the whole bike near a power source to recharge, which could be inconvenient for multi-day trips or long-distance off-road adventures.
How comfortable is the bike on rough terrain?
The Merida ETMO 400 is built for trail riding, with a dual suspension system that should help absorb shocks and provide a more comfortable ride on rough terrain. The hydraulic disc brakes offer confident stopping power, which is important when navigating uneven trails. However, the bike's lower battery capacity may limit how far you can go on a single charge, so you may need to plan for more frequent recharging, especially on longer or more demanding rides.
Is the battery easy to charge, and how long does it take?
The battery is not removable, so you'll need to keep the whole bike near a power source to charge it. Charging time is average for a mountain bike of this type, but the battery capacity is below average, which may mean you need to plan for more frequent charges, especially on longer rides.
Who is this bike best suited for?
The Merida ETMO 400 is best suited for riders who enjoy trail riding and want a capable e-mountain bike for varied off-road conditions. Its 500W motor and dual suspension make it responsive and comfortable on rough terrain, while the hydraulic disc brakes provide reliable stopping power. However, the non-removable battery and lower range may require planning for longer rides, so it’s ideal for those who ride shorter distances or have access to charging points nearby.
Is this bike good value for the price?
The Merida ETMO 400 offers a strong power-to-weight ratio and smooth assistance, which makes it a capable choice for trail riding. However, the battery capacity is below average, and the non-removable design may limit convenience for longer rides or frequent charging. At £3650, it’s a solid option for serious off-road riders who prioritize performance over extended range, but those needing more battery life or easier charging might find it a bit limiting for their needs.
What are the main compromises of this bike compared to similar models?
Compared to similar mountain bikes, the Merida ETMO 400 has a lower battery capacity, which may limit range on longer rides and require more careful planning. The battery is also not removable, so charging requires keeping the whole bike near a power source. Additionally, while the motor provides strong power, the torque is on the lower side for this type of bike, which could affect performance on steep climbs.
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
Yes
Weight (inc battery): 16.5 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 6.5 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS 150–160 cm (4'11"–5'3") | S 160–170 cm (5'3"–5'7") | M 170–180 cm (5'7"–5'11") | L 180–190 cm (5'11"–6'3") | XL 190–200 cm (6'3"–6'7")
Adjustable Sizing
Adjustable saddle height
Folded Dimensions
n/a
Wheel & Tire Details
Wheelset Name
Merida Comp TR rims (29 mm inner width) laced to Shimano QC 300 hubs
Wheelset Size
700c
Tires
Maxxis Minion DHF
Frame Info
Frame Material
Aluminium
Suspension Type
Front and Rear suspension
Foldable Frame
No
Max Payload
140 kg (308.6 lbs)
Drivechain Details
Groupset details
Shimano CUES U4000 / LG400 with FSA crank
Drivechain type
Chain drive
Amount of gears
11 Gears
Rear Derailleur
Shimano CUES U 4000
Front Derailleur
None
Cassette
Shimano LG 300 11-46
Cranks
FSA 1 x Steel chainring (34 T) with FSA CK-320 arms
Chain
Shimano LG 500
Bottom Bracket
Integrated within the Bosch Performance Line PX drive unit
Brakes
Brakes
Sram DB4 stealth
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
SRAM Centerline 200mm
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
Whether you're getting your first e-MTB or just want a lot of laughs on a budget, the Etmo 400 is the perfect starting point. A robust aluminium frame with 140 mm of travel at either end, it's more than capable of tackling proper trails. The Bosch PX drive unit delivers up to 90 Nm of torque, and the 540 Wh battery will fuel long trail sessions. We've used high-performance, great value kit from Shimano, SRAM and X-Fusion to create a great value p ... Read More
Whether you're getting your first e-MTB or just want a lot of laughs on a budget, the Etmo 400 is the perfect starting point. A robust aluminium frame with 140 mm of travel at either end, it's more than capable of tackling proper trails. The Bosch PX drive unit delivers up to 90 Nm of torque, and the 540 Wh battery will fuel long trail sessions. We've used high-performance, great value kit from Shimano, SRAM and X-Fusion to create a great value package that delivers when it matters. A quality e-MTB means more runs, more fun, and more time just getting out there. The Etmo is our most price-focussed Bosch-powered e-MTB. We’ve used all our aluminium frame design and manufacturing know-how to create a durable frame insped by the award-winning long-travel eOne-Eighty, but in an extra versatile and affordable package. We've backed this up with our lifetime frame warranty, too. * Lifetime frame warranty for Category 4 All Mountain (AM) + Enduro use
