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 403.23.
79
Good range-to-weight balance
Range is high compared with similar e-bikes.
Range is high compared with similar e-bikes.
The bike is heavier than average, which limits 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 6.9.
The calculated range per battery unit is 403.23.
This bike type benefits from a good balance of range and manageable weight.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
54
Mixed stable ride feel
The road bike format can feel stable at speed, though comfort depends on tyres and geometry.
The road bike format can feel stable at speed, though comfort depends on tyres and geometry.
The bike weight should help it feel more planted and settled on the road.
The larger wheel size should support a more stable and settled ride feel.
Hydraulic disc brakes should add confidence and control to the overall ride feel.
A solid payload rating can support a more stable everyday ride feel.
Frame material is listed as aluminium, which gives useful build and ride-feel context.
53
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 longer than average, which may be less convenient for back-to-back longer rides.
The display or control unit should make it easier to monitor assistance and battery use on longer rides.
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 heavier than average for its type.
The calculated power-to-weight score is 17.24.
Overview
The Orbea GAIN D40 2023 is a lightweight road e-bike that offers smooth motor support and efficient range for paved routes, making it ideal for commuters and riders who prioritize speed and battery longevity. Its hydraulic disc brakes provide confident stopping power, while the aluminum frame ensures a responsive feel on the road. However, the motor's lower power and torque may feel less punchy when accelerating or climbing steep hills, and the battery's smaller capacity and slower charging time could be a consideration for longer rides. While it's well-suited for city and road use, it's not the best choice for those needing strong hill-climbing ability or extended range without frequent recharging.
Best For
✓
This road e-bike should suit riders who want a balance of performance and efficiency for paved-road use, particularly those looking for a reliable bike with good range and strong braking. Its efficient battery usage and high range for its size make it a solid choice for longer commutes or fitness rides on the road. The hydraulic disc brakes add confidence in stopping, which is especially useful for riders who prioritize control and safety during dynamic rides. Riders who value a lightweight, road-focused e-bike with predictable assistance and a natural ride feel are likely to appreciate this model.
Who Should Avoid It
×
Riders who prioritize longer range or faster charging may find this bike less competitive against similar road e-bikes. The battery capacity is lower than average for this category, and the charging time is longer than typical, which could be a drawback for frequent or long-distance riders. Additionally, the lack of a removable battery may limit convenience for those who need to charge in different locations. However, the bike still offers a good balance of range and weight, making it suitable for riders who value efficiency and braking performance over extended range or quick charging.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
31
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.
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.
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 heavier than average for its type, which may make storage and moving it harder.
18
Harder to lift
Poor
The bike is heavier than average for its type, so it may not be especially easy to lift.
The bike is heavier than average for its type, so it may not be especially easy to lift.
The listed weight is 14.5 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
The road bike format is usually more manageable to lift than bulkier e-bike types.
13
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.
Because the bike is heavier than average, removing the battery can make handling and charging more convenient.
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 longer than average for this type of e-bike.
Charging time is longer than 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 403.23.
40
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.
Payload capacity is average or better, which helps with bags, shopping or daily kit.
27
Limited bad-weather practicality
Poor
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 road bike format may be less practical in poor weather, depending on tyres and equipment.
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 aluminium, which gives useful durability and maintenance context.
19
Limited family utility practicality
Poor
The road bike format is usually less suited to family or utility tasks.
The road bike format is usually less suited to family or utility tasks.
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 125 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.
200W more power25 miles less range5 Ah more battery2 kg heavier1 more gears
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.
Cadence-only assistance may feel less responsive than torque-sensing support.
The bike is heavier than average for its type.
The calculated power-to-weight score is 17.24.
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 average for this type of e-bike.
Motor power is below average for this type of e-bike.
The cadence sensor may feel less natural on climbs than a torque sensor.
The bike has 10 or more gears, which should help on varied climbs.
The bike is heavier than average for its type.
The calculated power-to-weight score is 17.24.
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.
0
Not very off-road capable
The road bike design is not well suited to off-road terrain.
The road bike design is not well suited to off-road terrain.
No suspension limits comfort and control on rough off-road terrain.
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.
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 wheel size should be workable for rough roads and everyday uneven surfaces.
The road bike format may feel harsher on rough roads unless tyre volume is generous.
Hydraulic disc brakes add useful control on rougher routes.
The bike weight may help it feel more planted over rough surfaces.
Frame material is listed as aluminium, which gives useful comfort and build context.
0
Limited technical trail control
The road bike format is not well suited to technical trail control.
The road bike format is not well suited to technical trail control.
No suspension is a major limitation for technical trail control.
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.
Cadence-sensing assistance is usable, but usually less precise than torque sensing on technical terrain.
The bike is heavier than average for its type, which may affect technical handling.
0
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 relatively small in absolute terms.
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 heavier than average for its type, which may make storage and moving it harder.
E-system & battery comparison
Motor Power
250 watts
▼ 21 W below average
Motor Torque
40 Nm
▼ 9.9 Nm below average
Power-to-weight
17.24 W/kg
▼ 8.3 W/kg below average
Battery Capacity
248 Wh
▼ 86 Wh below average
Claimed Max Range
100 miles
▲ 35 miles above average
Charge Time
4h
▲ 25 mins slower than average
Sensor Type
Cadence Sensor
Removable Battery
No
Motor Name
Mahle X 35 Plus
This road e-bike offers a smooth, legal-style pedal assist that feels more natural and less aggressive compared to similar models, aligning with the expectations of a traditional road bike. Next to similar e-bikes, its assistance is more efficiency-focused, with a modest torque that supports a lighter, more natural ride feel rather than outright power. Climbing support is likely to be adequate for moderate hills but may feel less punchy on steeper gradients, and low-speed responsiveness could be less refined due to the cadence sensor. The motor’s cadence sensing should provide predictable assistance, though it may not feel as subtle or responsive as torque-sensing systems, and the ride modes—if available—would likely offer straightforward control. Riders looking for a road e-bike that prioritizes efficiency, range, and a traditional feel over aggressive motor punch may 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-distance road rides?
This road e-bike is well-suited for long-distance rides on paved roads, thanks to its efficient battery use and smooth motor support. The 100-mile range should cover most daily commutes or longer trips without frequent recharging, and the hydraulic disc brakes provide confident stopping power. However, the lower motor power and torque may make steep climbs feel more challenging, and the smaller battery capacity could require more frequent charging on extended rides.
How does the motor perform when climbing steep hills?
The motor provides smooth support for moderate hills, but it may struggle with very steep inclines due to its below-average torque for a road e-bike. With 40 Nm of torque and a 250W motor, you'll need to maintain a steady cadence for the best assistance, as the cadence sensor may not deliver as refined or immediate power as torque-sensing systems. For steep climbs, you may find yourself working harder, especially on longer or more challenging routes.
Does the bike feel like a traditional road bike when riding without motor assistance?
The Orbea GAIN D40 2023 feels like a traditional road bike when riding without motor assistance, with a responsive and comfortable frame that's well-suited for paved roads. Its lightweight design and smooth geometry contribute to a natural riding experience. However, the motor's lower power and torque may affect how it feels when you're using assistance, but when turned off, it behaves like a standard road bike.
Is the battery efficient enough for daily commuting or longer rides?
The battery efficiency is above average for similar e-bikes, which means you can expect a good range for daily commuting or longer rides. With a range of 100 miles, it should handle most daily commutes comfortably, though the battery capacity is below average, so you may need to plan charging stops for extended trips. Charging takes around 4 hours, which is comparable to similar e-bikes, but the non-removable battery means you'll need to charge the bike as a whole, which may be less convenient if you're away from a power source.
How does the bike's weight affect its handling and ease of use?
The bike's weight can influence how it feels when accelerating and handling corners, especially on paved roads. A heavier bike may feel less nimble compared to lighter road e-bikes, but it should still offer a stable and comfortable ride for most road conditions. The weight also impacts how easy it is to lift or carry if needed, though this is less of a concern for regular road use.
What are the main limitations of this e-bike compared to similar models?
This e-bike has a few limitations compared to similar models. The battery capacity is below average, which may impact range on longer rides, and the charging time is longer than average, which could be inconvenient if you need to recharge frequently. Additionally, the motor torque is also below average, which might make climbing steep hills feel less effortless. However, the braking confidence is strong, and the overall power-to-weight ratio is in line with similar e-bikes.
Is this bike good value for the price listed?
This bike offers a good balance of performance and price for a road e-bike. The range is above average for similar models, which is great for daily commuting or longer rides, and the price looks favourable compared to other e-bikes in this category. However, the battery capacity is lower than average, which may mean you need to charge more frequently on longer trips. Overall, it's a solid choice if you prioritize range and braking confidence over maximum battery size.
How practical is this bike for everyday use and maintenance?
This bike is reasonably practical for everyday use, especially on paved roads, with good braking confidence from the hydraulic disc brakes and a range that should cover most daily commutes. However, the non-removable battery may be less convenient for charging, and the relatively low battery capacity and slow charging time could be a limitation for longer rides or frequent use. The motor provides smooth support but may struggle on steep hills due to below-average torque.
eBike Overview
eBike Type: Road Bike
The style of riding intended for this bike
Released:
2023
The bike was released 3 years ago
Screen
Mahle Pulsar One monochrome ANT+ LEV
Lights Included
No
Weight (inc battery): 14.5 kg
The website average for electric bikes is
22.90 kg.
This electric bike is 8.41 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS: 155–160 cm, SM: 160–166 cm, MD: 167–172 cm, LG: 173–179 cm, XL: 180–185 cm, XXL: 186–191 cm
Folded Dimensions
Unknown
Wheel & Tire Details
Wheelset Name
Alloy double-wall tubeless-ready rims laced directly around the Mahle X 35 hub motor
Wheelset Size
700c
Tires
Hutchinson Fusion 5 Performance TLR 700x30
Frame Info
Frame Material
Aluminium
Suspension Type
No suspension
Foldable Frame
No
Max Payload
125 kg (275.6 lbs)
Drivechain Details
Groupset details
Tiagra
Drivechain type
Chain drive
Shifters
Shimano Tiagra ST-4720 Dual Control levers (integrated brake and shift functions)
Amount of gears
10 Gears
Rear Derailleur
Shimano Tiagra RD-4700-GS
Front Derailleur
Shimano Tiagra FD-4700
Cassette
Shimano CS-HG 500 10-Speed
Cranks
Shimano Tiagra 4700 double crankset with 50/34 T compact chainrings
