Highlights based on this e-bike’s specs, comparisons and practical strengths.
100
Excellent battery capacity
Battery capacity is high compared with similar e-bikes.
Battery capacity is high compared with similar e-bikes.
The listed battery capacity is large in absolute terms.
97
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.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
The longer charging time makes it more useful to charge the battery separately from the bike.
89
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 suspension should help absorb bumps on rougher surfaces.
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.
88
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.
87
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.
85
Excellent for longer rides
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 strong compared with similar e-bikes.
Battery efficiency appears broadly average.
The removable battery can make charging easier during longer days or multi-stop rides.
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.
77
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 suspension should help with control over roots, bumps and rougher sections.
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.
Multiple ride modes should help the rider manage assistance on technical trails.
77
Good 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 suspension should help the bike stay controlled over bumps and rougher paths.
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.
76
Good braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
75
Good downhill control
Front suspension should help with basic control on uneven descents.
Front suspension should help with basic control on uneven 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.
Overview
The Cube Reaction Hybrid SLX 800 Trapeze is a mountain bike designed for trail riding, offering a smooth and controlled power delivery that feels natural on varied terrain. With a high-capacity battery and removable design, it provides flexibility for charging and storage, making it well-suited for longer rides. The hydraulic disc brakes offer confident stopping power, and the aluminium frame keeps the bike durable without being overly heavy. However, its 250W motor and moderate torque may feel less punchy when accelerating or climbing steep hills, and the 6.5-hour charge time could be a consideration for frequent riders.
Best For
✓
This mountain e-bike should suit riders who want a capable trail companion with strong battery capacity and reliable off-road performance. Its high battery capacity and smooth power delivery make it a solid choice for longer rides on varied terrain, while the hydraulic disc brakes and front suspension offer confidence and comfort on rough trails. The removable battery adds flexibility for charging away from the bike, which is especially useful for riders who travel to remote areas or need to manage multiple batteries for extended trips.
Who Should Avoid It
×
Riders seeking the most aggressive trail performance or the fastest charging times may be better served by alternatives. The motor power is lower than some similar mountain e-bikes, which could affect acceleration and punch on technical terrain, and the charging time is longer than many rivals, which may be a drawback for riders who need to recharge quickly. However, the bike still offers strong battery capacity, smooth power delivery and confident braking, making it a solid choice for riders prioritising range, off-road capability and practicality over peak performance or charging speed.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
37
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.
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.
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 25.2 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.
The larger-than-average battery capacity may add weight.
97
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.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
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 high compared with similar e-bikes.
Charging time is high compared with similar e-bikes.
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 93.75.
69
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.
Payload capacity is average or better, which helps with bags, shopping or daily kit.
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.
40
Some family utility limitations
Weak
Payload capacity is average for this type of e-bike.
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 135 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility use.
Battery capacity is strong compared with similar e-bikes, supporting utility trips.
Range is average or better compared with similar e-bikes, which supports practical daily use.
Where to buy
Priced at £3,699, the Cube Reaction Hybrid SLX 800 Trapeze offers a favourable position against similar 2025 mountain e-bikes, with strong battery capacity and reliable hydraulic braking. While its charge time is slightly slower than some rivals, it provides a balanced ride focused on comfort and control for trail use.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £1,663.99 below average
Priced at £3,699, the Cube Reaction Hybrid SLX 800 Trapeze sits comfortably within the range of similar mountain e-bikes from 2025, offering a compelling balance of performance and practicality. It stands out with a strong battery capacity and range that compare well with rivals, while the torque support and hydraulic braking add confidence on rough terrain. However, some similar e-bikes may feel more responsive for their weight, and the 6.5-hour charge time is slightly slower than what some competitors offer. For a mountain e-bike focused on trail comfort and reliability, these features make sense, especially for riders who prioritise control and battery life over speed. Buyers looking for a well-rounded off-road e-bike with strong support and a solid range are likely to see the value here, though those prioritising quicker charging or a more agile ride might find alternatives more suited to their needs.
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 3,699.
The bike appears to save around GBP 964 versus the average.
Range is strong compared with similar e-bikes.
Battery capacity is strong compared with similar e-bikes.
350W more power35 miles less range6 Ah less battery1 kg lighterSame 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 low compared with similar e-bikes.
Motor power is low compared with similar e-bikes.
Torque is above average for this type of e-bike.
Power-to-weight is low.
Torque-sensing assistance should make the motor response feel more natural.
The bike is heavier than average for its type.
The calculated power-to-weight score is 9.92.
0
Not ideal for steep hills
Torque is above average for this type of e-bike.
Torque is above average for this type of e-bike.
Power-to-weight is low.
Motor power is low 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 9.92.
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 longer than average, which may be less convenient for daily use.
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.
Payload capacity is average for this type of e-bike.
The bike is heavier than average for its type, which may make daily handling less convenient.
0
Low power-to-weight ratio
Power-to-weight is low compared with similar e-bikes.
Power-to-weight is low compared with similar e-bikes.
Motor power is low compared with similar e-bikes.
The bike is heavier than average for its type.
The calculated power-to-weight score is 9.92.
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.
0
Very slow charging speed
Charging time is high compared with similar e-bikes.
Charging time is high compared with similar e-bikes.
The quoted charging time is long in absolute terms.
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 25.2 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.
The larger-than-average battery capacity may add weight.
E-system & battery comparison
Motor Power
250 watts
▼ 190 W below average
Motor Torque
85 Nm
▲ 6.5 Nm above average
Power-to-weight
9.92 W/kg
▼ 10 W/kg below average
Battery Capacity
800 Wh
▲ 169 Wh above average
Claimed Max Range
75 miles
▲ 14 miles above average
Charge Time
6h 30m
▲ 75 mins slower than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
Yes
Motor Name
Bosch Performance Line CX (Smart System)
This mountain e-bike offers a balanced motor assistance that should feel natural and predictable on trails, with strong torque support helping on climbs and rough terrain. Next to similar models, it provides a solid level of assistance but may feel slightly less punchy or lively compared to some heavier, more powerful e-bikes in the same category. The torque and cadence sensor should help maintain smooth power delivery, especially on technical trails or when accelerating from a stop. While the motor should handle most off-road scenarios well, riders looking for more aggressive acceleration or extra power on steep inclines might find some similar e-bikes more suited to their needs. The motor setup is likely to suit riders who prioritize control, trail confidence and longer rides over raw power output.
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 bike is well-suited for long off-road rides, thanks to its high battery capacity and smooth power delivery, which should help you cover more ground without frequent recharging. The hydraulic disc brakes provide confident stopping power on trails, and the aluminium frame offers a good balance of durability and weight. However, the 250W motor and moderate torque may feel less punchy when climbing steep hills, so you might need to manage your pace on very challenging terrain.
How does the motor perform when climbing steep trails?
The motor provides smooth support for climbing trails, but its 250W power and moderate torque may feel less punchy on very steep inclines. While it should handle most trails comfortably, riders looking for strong acceleration or steep hill climbing might find the motor less responsive compared to higher-powered options. The high-capacity battery helps extend range, which is useful for longer rides, but the motor's performance on steep terrain is more about controlled assistance than powerful bursts of speed.
Is the battery capacity enough for multi-day adventures?
The 800Wh battery provides a high range of 75 miles, which should be sufficient for multi-day adventures on trails, especially with the removable battery design allowing easy charging. However, the average battery efficiency and 6.5-hour charge time mean you'll need to plan charging stops, particularly if you're riding multiple days in a row or covering long distances without access to power.
How does the bike handle rough terrain and trail control?
The Cube Reaction Hybrid SLX 800 Trapeze handles rough terrain well, thanks to its mountain bike design and hydraulic disc brakes, which provide confident stopping power on trails. The bike’s aluminium frame offers a balance of durability and comfort, making it suitable for varied off-road conditions. While the 250W motor and above-average torque help with trail control, you may notice it’s less punchy when accelerating or climbing very steep sections, so you’ll need to manage your pace accordingly.
Is the weight of the bike a concern for carrying or lifting?
The bike weighs 25.2 kg, which is above average for a mountain bike, so it may feel heavier to lift or carry, especially if you need to move it frequently. While the weight is manageable for trail use, it could be a consideration if you need to carry the bike up stairs or store it in a small space. The aluminium frame helps keep it durable without being overly heavy for off-road riding.
How practical is the removable battery for charging and storage?
The removable battery is very practical for charging and storage, as it allows you to take the battery indoors to charge it safely, which is especially useful if you're riding in wet or muddy conditions. This flexibility also makes it easier to store the battery separately when not in use, helping to keep your bike lighter and more compact for transport. However, the battery's high capacity means it may take longer to charge compared to smaller batteries on similar e-bikes.
Is this bike good value for the price compared to similar e-bikes?
This bike offers a strong balance of features for its price, especially with its high battery capacity and removable design, which are great for longer rides and convenience. However, the 250W motor and slower charging time may not match the performance of more powerful or faster-charging models in the same price range. If you prioritize range and ease of charging over quick acceleration and charging speed, it could be a solid value choice for trail riding.
What are the main compromises or trade-offs of this bike?
The main compromises of this bike include its 250W motor, which may feel less punchy when accelerating or climbing steep hills, and its 6.5-hour charge time, which could be a drawback for frequent riders. While the bike is heavier than average for its type, making it slightly harder to lift, it offers a high battery capacity and removable design for flexibility. The motor's power-to-weight ratio is also lower than some competitors, which might affect performance on more demanding trails.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2025
The bike was released 1 years ago
Screen
Bosch Kiox 500 color display
Lights Included
No
Weight (inc battery): 25.2 kg
The website average for electric bikes is
23.93 kg.
This electric bike is 1.26 kg over the average. Total bike weight may vary depending on frame size.
