Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
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 29-inch or mullet wheel setup should help stability and control on descents.
The mountain bike design should be better suited to controlled descending.
100
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 and rear suspension should improve control and comfort off-road.
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.
89
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.
The bike is heavier than average for its type, which may affect technical handling.
Power-to-weight is strong, which should help with technical sections that need quick support.
89
Excellent 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.
The 29-inch wheel size should help rollover and stability on trails.
Torque is strong compared with similar e-bikes, which should help low-speed trail control.
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.
86
Excellent removable battery practicality
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.
Because the bike is heavier than average, removing the battery can make handling and charging more convenient.
83
Good rough-road comfort
Front and rear suspension should significantly improve comfort on rough roads and uneven surfaces.
Front and rear suspension should significantly improve comfort on rough roads and uneven surfaces.
The larger wheel size should help roll over bumps and rough surfaces more smoothly.
The mountain bike format is generally better suited to rougher terrain.
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.
82
Good 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 above average.
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 heavier than average for its type.
The calculated power-to-weight score is 23.44.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
74
Good power-to-weight ratio
Power-to-weight is above average for this type of e-bike.
Power-to-weight is above average for this type of e-bike.
Motor power is high for this type of e-bike.
The bike is heavier than average for its type.
The calculated power-to-weight score is 23.44.
66
Decent rider 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.
Overview
The Polygon COLLOSUS N8E 2024 is a mountain bike built for off-road trails, offering solid suspension and strong motor support for tackling rough terrain. Its 600W motor with 85Nm of torque provides good hill climbing assistance, while the hydraulic disc brakes offer confident stopping power on uneven surfaces. The removable battery adds convenience for charging and storage, though the bike's weight makes it slightly harder to lift. While the range is average for this type of e-bike, the efficient use of its battery capacity ensures it can handle most trail rides without frequent recharging.
Best For
✓
This mountain e-bike should suit riders who enjoy trail riding and off-road adventures, particularly those looking for a balance of power, control and comfort on rougher terrain. Its strong motor and torque, combined with front and rear suspension, make it well-suited for handling uneven surfaces and climbing hills with confidence. The removable battery adds flexibility for charging on the go, which is especially useful for longer rides or multi-day trips. Riders who prioritize responsive assistance and reliable braking will likely appreciate its performance in varied trail conditions.
Who Should Avoid It
×
Riders carrying heavier loads may want to compare utility-focused alternatives, as the bike's max payload is 120 kg, which is average for mountain e-bikes but may not be sufficient for those needing to transport significantly heavier gear or multiple passengers. Riders prioritizing faster charging or extended range for longer off-road rides could find stronger options in similar mountain e-bikes with larger battery capacities or quicker charging systems. However, the bike still suits riders focused on trail control, off-road capability, and removable battery convenience.
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.
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.
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.
15
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 25.6 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.
86
Excellent removable battery practicality
Excellent
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.
Because the bike is heavier than average, removing the battery can make handling and charging more convenient.
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 98.41.
50
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.
Hydraulic disc brakes are useful equipment for confident daily riding.
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 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.
Same powerSame range170 Wh more battery3 kg heavierSame gears
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Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
0
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 heavier than average for its type, which may make daily handling less convenient.
Front and rear suspension can add weight and complexity for normal commuting.
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.
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.
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.
15
Harder to lift
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 25.6 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.
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.
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 98.41.
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.
E-system & battery comparison
Motor Power
600 watts
▲ 160 W above average
Motor Torque
85 Nm
▲ 6.5 Nm above average
Power-to-weight
23.44 W/kg
▲ 3.1 W/kg above average
Battery Capacity
630 Wh
▼ 0.9 Wh below average
Claimed Max Range
62 miles
▲ 1.5 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 features a strong motor output that should feel lively and capable on trails, with good support for climbing and low-speed control. Against similar e-bikes, the motor's power and torque should provide a responsive and confident ride, especially when tackling rough terrain or steep inclines. The torque and cadence sensor setup should help maintain a natural feel, balancing assistance with rider input for better trail control. The motor's power-to-weight ratio should make the assistance feel more dynamic, though the higher power might require some adjustment for riders used to more moderate support. This motor setup is likely to suit riders looking for a capable, responsive mountain e-bike that can handle varied trail conditions with confidence.
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 challenging off-road trails?
Yes, this bike is well-suited for challenging off-road trails. As a mountain bike, it features hydraulic disc brakes that provide confident stopping power on uneven surfaces, and its 600W motor with 85Nm of torque offers strong hill climbing support. The front and rear suspension should improve comfort on rough terrain, making it a capable choice for most trail conditions.
How does the motor perform when climbing steep hills?
The motor should handle steep hills effectively, thanks to its 600W power and 85Nm of torque, which are above average for similar mountain e-bikes. The torque and cadence sensor helps deliver controlled assistance, making climbs feel more manageable. However, the motor's power-to-weight ratio is strong, but you may notice some limitations in how smoothly power is delivered under heavy load, especially on very steep or technical trails.
Does the bike offer good comfort on rough and uneven terrain?
Yes, the Polygon COLLOSUS N8E 2024 should offer good comfort on rough and uneven terrain. With front and rear suspension, it should absorb shocks and vibrations effectively, making it suitable for trails and rough roads. The 29-inch tires also contribute to stability and comfort over uneven surfaces.
Is the battery capacity sufficient for long off-road rides?
The battery capacity of 630 watt-hours should provide enough power for long off-road rides, as it is in line with similar mountain e-bikes. However, battery efficiency is average for this type, so you may want to plan for regular charging, especially on extended rides. The removable battery adds convenience for charging and storage, which is helpful for trail use.
How practical is the removable battery for charging and storage?
The removable battery is a practical feature for charging and storage, offering flexibility for users who need to charge the battery separately from the bike. This can be especially useful if you're traveling or need to store the battery indoors during inclement weather. However, the charging time is average for this type of e-bike, so you may need to plan accordingly for longer charging sessions.
Is this bike easy to lift and carry due to its weight?
This bike weighs 25.6 kg, which is heavier than average for a mountain e-bike, so it may not be especially easy to lift or carry. The weight is typical for a mountain bike designed for off-road performance, where strength and durability are prioritized over portability. However, the removable battery adds some flexibility for charging and storage, which can help with practicality in certain situations.
How does the braking system handle high-speed descents?
The Shimano XT hydraulic disc brakes should provide confident stopping power on high-speed descents, especially on rough terrain. Hydraulic brakes generally offer better modulation and control compared to mechanical ones, which is important when riding downhill on trails. The bike's suspension and tire setup also help absorb impacts, allowing you to maintain control at higher speeds.
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 strong motor power, decent range, and practical features like a removable battery. The price is favourable for the performance and features included, though battery efficiency and capacity are average for this type of e-bike, which may impact long rides without recharging.
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): 25.6 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 2.60 kg over 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
Entity XL 3 Tubeless Ready wheelset built with 35 mm inner width aluminum double-wall rims laced to Shimano boost 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
Drivechain type
Chain drive
Shifters
Shimano XT SL-M 8100-R Rapidfire Plus right-side trigger shifter
Amount of gears
12 Gears
Rear Derailleur
Shimano XT RD-M 8100-SGS
Front Derailleur
None
Cassette
Shimano Deore CS-M 6100 12-speed wide-range hyperglide cassette, geared at 10-51 T
Cranks
Shimano XT M 8150 E-Bike specific alloy cranks (160 mm length to prevent pedal strikes) fitted with a Shimano SM-CRE 80-12-B 34 T chainring
Chain
KMC X 12
Bottom Bracket
Integrated E-Drive Mid-Motor Bracket
Brakes
Brakes
Shimano XT
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
203 mm front / 160 mm rear
Shifters
Shimano XT SL-M 8100-R Rapidfire Plus right-side trigger shifter
