Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
Excellent motor punch
Motor power is high compared with similar e-bikes.
Motor power is high compared with similar e-bikes.
Torque is high compared with similar e-bikes.
Power-to-weight is high compared with similar e-bikes.
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 43.17.
100
Excellent hill climbing support
Torque is high compared with similar e-bikes.
Torque is high compared with similar e-bikes.
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 bike is lighter than many similar e-bikes, which should help on climbs.
The calculated power-to-weight score is 43.17.
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 bike is lighter than many similar e-bikes, which helps the power-to-weight balance.
The calculated power-to-weight score is 43.17.
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 238.1.
100
Excellent range-to-weight balance
Range is high compared with similar e-bikes.
Range is high compared with similar e-bikes.
The bike is very light compared with similar e-bikes, which strongly supports range-to-weight balance.
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 7.19.
The calculated range per battery unit is 238.1.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
72
Good 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.
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.
This bike type benefits from clear rider information for everyday use.
65
Mixed commuting practicality
The all-terrain format should suit mixed commuting surfaces.
The all-terrain format should suit mixed commuting surfaces.
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 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.
The bike is lighter than many similar e-bikes, which helps with daily handling.
65
Mixed liftability
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 13.9 kg.
The carbon frame material should help keep weight down.
55
Mixed longer-ride suitability
Range is high compared with similar e-bikes, which is one of the strongest signs it should suit longer rides.
Range is high compared with similar e-bikes, which is one of the strongest signs it should suit longer rides.
Battery capacity is low compared with similar e-bikes.
Battery efficiency appears strong, which should help stretch range on longer rides.
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.
Overview
The Orbea DENNA M20i is a powerful all-terrain e-bike that excels in acceleration, hill climbing, and battery efficiency, making it a strong choice for riders who need reliable support on varied terrain. Its high motor power and torque provide a lively ride feel, while the efficient battery delivers a useful range for most daily commutes or light adventures. Hydraulic disc brakes offer confident stopping power, and the carbon frame keeps the bike feeling responsive for its size. However, the non-removable battery means you'll need to keep the whole bike near a charger, and the lack of suspension may make rough roads feel less comfortable. Still, it's a well-rounded option for those prioritizing performance over off-road cushioning or extended battery capacity.
Best For
✓
This all-terrain e-bike should suit riders who want a versatile option for mixed surfaces and moderate off-road use, with a focus on comfort and practicality. Its high torque and power-to-weight ratio provide confident hill climbing and responsive assistance, making it a strong choice for riders prioritising performance on varied terrain. The efficient battery use and hydraulic disc brakes add to its appeal for those seeking reliable and controlled riding experiences. Riders who value a lightweight frame and natural assistance response may find this bike particularly well-suited to their needs.
Who Should Avoid It
×
Riders who need a larger battery or more off-road capability may want to compare alternatives, as the battery capacity is below average for similar all-terrain e-bikes and the bike lacks suspension for rougher terrain. Riders carrying heavier loads may also find utility-focused alternatives more suitable, as the max payload is moderate for this type of bike. However, the bike still offers strong hill climbing support and a good power-to-weight ratio, which may suit riders prioritising performance over extended range or heavy load carrying.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
29
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 carbon frame material can be lightweight, though damage checks may need more care.
A higher number of gears can add drivetrain complexity.
17
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.
65
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 13.9 kg.
The carbon frame material should help keep weight down.
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.
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 238.1.
32
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.
Hydraulic disc brakes are useful equipment for confident daily riding.
48
Some bad-weather limitations
Weak
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 tyre description suggests useful grip or practicality for mixed and wet conditions.
The all-terrain format should suit mixed surfaces and poorer conditions.
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 carbon fiber, which gives useful durability and maintenance context.
26
Limited family utility practicality
Poor
The all-terrain format can suit mixed family or utility journeys.
The all-terrain format can suit mixed family or utility journeys.
The listed maximum payload is 115 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
Range is average or better compared with similar e-bikes, which supports practical daily use.
9 miles more rangeSame power1 Ah less 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 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.
Hydraulic disc brakes should provide controlled braking on descents.
5
Low battery capacity
Battery capacity is low compared with similar e-bikes.
Battery capacity is low compared with similar e-bikes.
The listed battery capacity is modest but still usable for shorter rides.
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.
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 all-terrain format can benefit from built-in lights for mixed everyday use.
The display or control unit may make light and ride-status management easier.
15
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 tyre setup suggests extra cushioning or grip for rougher everyday surfaces.
The wheel size should be workable for rough roads and everyday uneven surfaces.
The all-terrain format should suit mixed surfaces and rougher paths.
Hydraulic disc brakes add useful control on rougher routes.
A very light bike may feel less planted over rough or broken surfaces.
Frame material is listed as carbon fiber, which gives useful comfort and build context.
17
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.
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.
26
Limited family utility practicality
The all-terrain format can suit mixed family or utility journeys.
The all-terrain format can suit mixed family or utility journeys.
The listed maximum payload is 115 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
Range is average or better compared with similar e-bikes, which supports practical daily use.
E-system & battery comparison
Motor Power
600 watts
▲ 147 W above average
Motor Torque
85 Nm
▲ 15 Nm above average
Power-to-weight
43.17 W/kg
▲ 23 W/kg above average
Battery Capacity
420 Wh
▼ 120 Wh below average
Claimed Max Range
100 miles
▲ 30 miles above average
Charge Time
5h
▲ 6.2 mins slower than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
No
Motor Name
Shimano EP 801
This all-terrain e-bike offers a strong and responsive motor setup that should feel lively and supportive on mixed surfaces, with good balance between power and control. The motor support should compare well next to similar e-bikes, delivering strong acceleration and hill climbing assistance without feeling overly aggressive. The torque and cadence sensor should help provide smooth and predictable assistance, especially on climbs and low-speed rough terrain, while the low weight of the bike should make the motor feel more effective in everyday riding. Riders looking for a capable yet manageable motor for mixed trails and urban environments should find this 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 rides on mixed terrain?
The Orbea DENNA M20i is well-suited for long rides on mixed terrain, thanks to its powerful motor and efficient battery that provide a strong range for most daily commutes or light adventures. The high motor power and torque ensure good acceleration and hill climbing, while hydraulic disc brakes offer confident stopping power on varied surfaces. However, the lack of suspension may make rough roads feel less comfortable, and the non-removable battery means you'll need to keep the whole bike near a charger.
How does the motor perform when climbing steep hills?
The motor should handle steep hills effectively, thanks to its high torque and power-to-weight ratio, which are above average for similar e-bikes. This makes it a strong choice for climbing without sacrificing too much speed or control. However, the power delivery may feel slightly less smooth in some situations, though the torque and cadence sensor should help manage assistance more naturally.
Does the bike offer enough range for daily commuting or weekend trips?
The Orbea DENNA M20i offers a range of 100 miles, which is above average for similar e-bikes and should be sufficient for daily commuting or weekend trips. The battery efficiency is strong, meaning you get good range from its 420Wh capacity. However, the battery is not removable, so you'll need to charge the bike near a power source, which may be less convenient for some users.
How comfortable is the ride on rough or uneven roads?
The Orbea DENNA M20i is designed for mixed surfaces, but it lacks suspension, which means rough or uneven roads may feel less comfortable, especially over long distances or on very bumpy terrain. The hydraulic disc brakes provide confident stopping power, which helps maintain control on uneven paths. For everyday use on mixed terrain, this bike should be adequate, but riders looking for maximum comfort on rough roads may want to consider a model with suspension.
Is the battery capacity sufficient for regular use, or will I need to charge it frequently?
The battery capacity is below average for similar e-bikes, but the bike offers an above-average range of 100 miles, which suggests good efficiency. This means you should be able to use the bike for regular commutes or weekend trips without frequent charging. However, the battery is not removable, so you'll need to charge the bike near a power source, which may be less convenient for some users.
How practical is this bike for storage at home or in the office?
The Orbea DENNA M20i is not particularly convenient for storage in small spaces due to its non-folding frame and relatively heavy weight of 13.9 kg. Since the battery is not removable, you'll need to keep the whole bike near a power source for charging. If you have a dedicated storage area, it should work fine, but it may be less practical for office or apartment settings with limited space.
Is this bike good value for the price compared to similar e-bikes?
The Orbea DENNA M20i offers strong performance with a powerful motor, good range efficiency, and confident braking, which are all above average for similar e-bikes. However, the price is higher than most comparable models, and the battery capacity is lower than average, which may require more frequent charging. While it's well-suited for mixed-terrain use, the non-removable battery and chain drive may add to maintenance and charging practicality considerations.
What are the main compromises or trade-offs of this bike?
The main compromises of this bike include a lower battery capacity compared to similar e-bikes, which may require more frequent charging for longer rides. Additionally, the battery is not removable, so charging may be less convenient if you need to recharge away from home. The bike also lacks folding capability, which could limit storage options if space is a concern.
eBike Overview
eBike Type: All Terrain
The style of riding intended for this bike
Released:
2025
The bike was released 1 years ago
Screen
Shimano EN600 Cycle Computer
Lights Included
No
Weight (inc battery): 13.9 kg
The website average for electric bikes is
22.89 kg.
This electric bike is 9 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS: <167 cm, SM: 165–175 cm, MD: 173–184 cm, LG: 182–192 cm, XL: 190+ cm
Folded Dimensions
Unknown
Wheel & Tire Details
Wheelset Name
Oquo Road Control RC 25 TEAM carbon wheelset
Wheelset Size
700c
Tires
Vittoria Terreno Dry Gravel G2.0 TLR 700x45c
Frame Info
Frame Material
Carbon Fiber
Suspension Type
No suspension
Foldable Frame
No
Max Payload
115 kg (253.5 lbs)
Drivechain Details
Groupset details
Ultegra Di2, XT
Drivechain type
Chain drive
Shifters
Shimano Ultegra ST-R 8170 Di 2 dual-control levers
Amount of gears
12 Gears
Rear Derailleur
Shimano XT Di 2 M 8150 SGS Shadow Plus
Front Derailleur
None
Cassette
Shimano XT M 8100 (10-51 T, 12-Speed)
Cranks
Shimano EM 600 aluminium e-bike crank arms (with a 42 T chainring)
Chain
Shimano M 8100 12-Speed
Bottom Bracket
Integrated mid-drive motor spindle assembly
Brakes
Brakes
Shimano Ultegra
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
Hydraulic disc brakes
Shifters
Shimano Ultegra ST-R 8170 Di 2 dual-control levers
