Torque and cadence sensing adds value by improving assist control and ride feel.
A removable battery adds practical value for charging and storage.
The included display or control unit adds useful everyday value.
Front and rear suspension adds component value, especially for comfort or off-road use.
The bike has 10 or more gears, which adds useful drivetrain range.
The bike appears to be a recent or current model.
The release age is recent, which supports value if pricing is competitive.
95
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 and rear suspension should significantly improve control on technical trails.
Hydraulic disc brakes should provide the control needed for technical trail riding.
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.
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 motor punch
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 bike is lighter than many similar e-bikes, which should help responsiveness.
The calculated power-to-weight score is 32.26.
Overview
The Polygon COLLOSUS N8XE 2024 is a capable mountain e-bike built for tackling rough terrain with confidence. Its powerful 600W motor and 85Nm torque provide strong hill-climbing support and a punchy acceleration, making it feel lively even on challenging trails. The front and rear suspension, combined with hydraulic disc brakes, offer a smooth and controlled ride over uneven surfaces. While the 630Wh battery delivers a decent range for its size, the charging time is on the slower side, and the battery isn't removable, which may affect convenience for some riders.
Best For
✓
This mountain e-bike should suit riders who prioritize off-road performance, trail control and hill climbing support. Its high torque and power-to-weight ratio make it well-suited for challenging terrain, while the above-average range supports longer rides on rough surfaces. The hydraulic disc brakes and suspension system add confidence and comfort for trail riders seeking a capable and responsive e-bike. Riders who value a balance of performance and practicality in a mountain e-bike are likely to appreciate its features.
Who Should Avoid It
×
Riders carrying heavier loads may want to compare utility-focused alternatives, as the bike’s max payload is on the lower side for a mountain e-bike. The battery capacity is average for this type of e-bike, which may limit range for longer off-road rides or multi-day trips. However, the bike still offers strong hill climbing support and a good power-to-weight ratio, making it a solid choice for riders prioritizing 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.
30
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 aluminium frame material is practical for everyday use and general maintenance.
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.
5
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.
The removable battery can make storage and indoor charging more flexible.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
62
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 18.6 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
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.
78
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.
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 119.05.
Range is strong despite only average or smaller battery capacity, which supports the efficiency result.
62
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.
40
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 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.
25
Limited family utility practicality
Poor
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 120 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.
150W more power15 miles more range3 Ah more battery2 kg heavierSame gears
Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
5
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.
The removable battery can make storage and indoor charging more flexible.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
9
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 average or better, which is useful for regular commuting.
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.
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.
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.
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.
25
Limited family utility practicality
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 120 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.
30
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 aluminium frame material is practical for everyday use and general maintenance.
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.
32
Some stability limitations
The mountain bike format should feel stable on uneven or rougher routes.
The mountain bike format should feel stable on uneven or rougher routes.
A very light e-bike may feel less planted in poor surfaces, wind or fast everyday riding.
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.
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.
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
32.26 W/kg
▲ 12 W/kg above average
Battery Capacity
630 Wh
▼ 0.9 Wh below average
Claimed Max Range
75 miles
▲ 14 miles above average
Charge Time
5h
▼ 15 mins faster than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
Yes
Motor Name
Shimano STEPS DU-EP 801
This mountain e-bike offers a strong and responsive motor setup that should feel capable and lively on trails, with good support for climbing and low-speed control. Against similar e-bikes, the motor output and torque should provide a competitive edge in terms of power and traction on rough terrain. The torque and cadence sensor system should help maintain smooth and predictable assistance, especially when navigating technical trails or climbing steep sections. The motor's power-to-weight balance, combined with the bike's suspension and lightweight design, should make it feel agile and responsive without being overly aggressive. Riders looking for a mountain e-bike that balances strength with control on varied terrain 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?
This mountain e-bike is well-suited for long off-road rides, thanks to its powerful 600W motor and 85Nm torque, which provide strong hill-climbing support and confident acceleration on challenging trails. The front and rear suspension, combined with hydraulic disc brakes, help maintain control and comfort over rough terrain. However, the 630Wh battery offers a decent range, but it may require careful planning for multi-day trips due to its average capacity and slower charging time.
How does the motor perform when climbing steep trails?
The motor should handle steep trails effectively, thanks to its 85 Nm of torque and 600 W of power, which are above average for similar mountain e-bikes. This combination provides strong hill-climbing support, making it suitable for challenging terrain. The torque and cadence sensor also ensures responsive assistance as you pedal uphill.
Does the bike offer enough range for multi-day mountain biking trips?
The bike offers a range of 75 miles, which is above average for similar mountain e-bikes, making it suitable for extended rides. However, for multi-day trips, you may need to plan for battery swaps or charging stops, as the battery capacity is average for this type of e-bike. The range efficiency is strong, but the charging time is average, so you should factor in time for recharging between days.
How comfortable is the bike on rough terrain and uneven trails?
The bike should handle rough terrain and uneven trails well, thanks to its front and rear suspension, which should significantly improve comfort on rough roads and uneven surfaces. The hydraulic disc brakes should provide strong and controlled stopping power, which is important when navigating technical trails. However, while it's designed for off-road use, its comfort on very rough roads may be mixed depending on the specific conditions and rider preferences.
Is this bike good value for money compared to similar mountain e-bikes?
This bike offers good value for money compared to similar mountain e-bikes, especially considering its above-average range, motor power, and power-to-weight ratio. The price is favourable for the features included, though the battery capacity is average for this type of e-bike. With a chain drive and hydraulic disc brakes, it's well-suited for off-road use but may require more maintenance than some alternatives.
How easy is it to charge and maintain the battery?
The battery is removable, which makes charging convenient, especially if you need to recharge it away from home. It takes around 5 hours to fully charge, which is average for similar mountain e-bikes. While the battery capacity is in line with others in its category, the range of 75 miles is above average, meaning you can ride longer before needing to recharge.
Who is this bike best suited for?
This bike is best suited for experienced mountain bikers looking for a powerful and capable e-bike for off-road trails and challenging terrain. With strong motor power, good torque, and front and rear suspension, it should handle rough trails and steep climbs well. The range is above average for similar e-bikes, making it a solid choice for longer rides, though the battery capacity is average and charging time is moderate.
What are the main compromises or trade-offs of this bike?
The main compromises of this bike include limited storage practicality due to its non-folding frame, which means you'll need to rely on its size and weight for storage. It also has a standard charging speed that's average for similar e-bikes, so you may need to plan charging stops on longer rides. Additionally, the chain drive system requires more frequent cleaning and lubrication compared to belt drives, which could add to maintenance effort over time.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2024
The bike was released 2 years ago
Screen
Shimano STEPS SC-E600 Display
Lights Included
No
Weight (inc battery): 18.6 kg
The website average for electric bikes is
22.92 kg.
This electric bike is 4.33 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
SM: 157–168 cm, MD: 168–178 cm, LG: 178–185 cm, XL: 185–193 cm
Folded Dimensions
Unknown
Wheel & Tire Details
Wheelset Name
Entity XL 2 Double Wall Alloy Rims (35 mm inner width, 32 hole) built onto high-durability Shimano TC 500 hubs
Wheelset Size
29 inch
Tires
SCHWALBE MAGIC MARY EVO 29"x2.60" 622x65 SUPER GRAVITY TLE ADDIX SOFT
Frame Info
Frame Material
Aluminium
Suspension Type
Front and Rear suspension
Foldable Frame
No
Max Payload
120 kg (264.6 lbs)
Drivechain Details
Groupset details
XT Di2
Drivechain type
Chain drive
Shifters
Shimano XT Di 2 SW-M 8150 electronic pod switcher
Amount of gears
12 Gears
Rear Derailleur
Shimano XT Di 2 RD-M 8150
Front Derailleur
None
Cassette
Shimano XT CS-M 8100, 12-speed, 10-51 T
Cranks
Shimano XT FC-M 8150 dedicated e-bike crankarms equipped with a 38 T chainring
