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 braking confidence
Hydraulic disc brakes should provide strong and controlled stopping power.
Hydraulic disc brakes should provide strong and controlled stopping power.
The brake specification mentions four-piston brakes, which should improve stopping power and control.
The brake specification appears to include larger rotors, which can help braking power and heat management.
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 31.55.
93
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 brake specification mentions four-piston brakes, which should improve control on steeper or rougher trails.
The brake specification appears to include larger rotors, which can help braking power and heat management.
The 29-inch wheel size should help rollover and stability on technical terrain.
Torque is low compared with similar e-bikes, which may limit technical climbing and control.
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.
91
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 sensing should improve control by responding to rider effort.
With stronger motor output, clear controls and ride modes become more useful.
81
Good 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 low compared with similar e-bikes, which may limit off-road climbing support.
The 29-inch wheel size should help rollover and stability on rougher terrain.
81
Good charging speed
Charging time is low compared with similar e-bikes.
Charging time is low compared with similar e-bikes.
The quoted charging time is long in absolute terms.
78
Useful removable battery
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.
76
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.
Frame material is listed as carbon fiber, which gives useful comfort and build context.
74
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 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 low compared with similar e-bikes, which may limit control on steeper or looser trail sections.
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.
Overview
The Trek Fuel+ MX 9.9 X0 AXS Gen 2 is a capable mountain e-bike built for trail riding, offering a responsive feel and strong braking confidence thanks to its hydraulic disc brakes. Its 600W motor with 60Nm of torque provides smooth support for climbing and off-road terrain, while the carbon frame and suspension system deliver comfort on rough roads. The removable battery adds convenience for charging and storage, though the relatively small battery capacity and average range mean longer rides may require careful planning. While it's not the most powerful option for steep climbs, its lightweight design and efficient handling make it a solid choice for trail-focused riders who prioritize agility and performance over extended range.
Best For
✓
This mountain e-bike should suit riders who prioritize off-road performance, trail control and comfort on rough terrain. Its high power-to-weight ratio and responsive motor make it well-suited for technical trails, while the hydraulic disc brakes and suspension system provide confidence and comfort on uneven surfaces. The removable battery adds flexibility for charging away from the bike, which is especially useful for longer rides or multi-day adventures. Riders who value a natural riding feel with strong assistance and reliable braking will likely appreciate its capabilities.
Who Should Avoid It
×
Riders who prioritize extended range or need to tackle steep terrain may want to compare alternatives, as this bike has a below-average battery capacity and lower torque compared with similar mountain e-bikes. Its charging speed is good, and it offers strong braking and a responsive power delivery, so it may still suit riders focused on performance and control over long-distance capability or heavy hill climbing.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
27
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.
A removable battery makes charging, storage and battery care easier.
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.
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.
48
Some lifting limitations
Weak
The bike is lighter than average for its type, which should help day-to-day handling.
The bike is lighter than average for its type, which should help day-to-day handling.
The listed weight is 19.02 kg.
The carbon frame material should help keep weight down.
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.
81
Good charging speed
Good
Charging time is low compared with similar e-bikes.
Charging time is low 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 86.21.
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.
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 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 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.
28
Limited family utility practicality
Poor
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 136 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility use.
Where to buy
Priced at £10,300, the Trek Fuel+ MX 9.9 X0 AXS Gen 2 sits at the higher end of the mountain bike market for 2026 models. Its premium components and advanced features justify the cost, though buyers may want to consider whether the investment aligns with their specific needs and usage.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £4,641.93 above average
The Trek Fuel+ MX 9.9 X0 AXS Gen 2 is listed at £10,300, which places it at the higher end of the market for mountain e-bikes from 2026. It compares well against similar e-bikes with its strong motor output, hydraulic braking, and front and rear suspension that support control on rough terrain. However, some rivals may offer more range or larger batteries, which could be important for longer rides or riders who prioritise endurance. For this type of mountain e-bike, the balance between power, weight, and practical features like a removable battery makes the price easier to understand, though buyers should weigh whether the trade-offs in range and battery size align with their needs. Riders focused on performance, control, and technical trail riding are most likely to see the value in this package.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
36
The price/value label suggests this bike is expensive compared with similar options.
The listed price is GBP 10,300.
Against bikes from a similar release year, the price is expensive.
Motor power is strong compared with similar e-bikes.
Same power3 miles less range180 Wh less battery0 kg heavierSame gears
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Potential limitations
Areas where this e-bike may be less strong based on its specs and comparisons.
4
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 below average, but may still be usable for shorter commutes.
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.
Payload capacity is average for this type of e-bike.
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.
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.
5
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.
19
Low battery capacity
Battery capacity is below average for this type of e-bike.
Battery capacity is below average for this type of e-bike.
The listed battery capacity should be practical for regular riding.
27
Limited longer-ride suitability
Range is below average compared with similar e-bikes, so longer rides may need more planning.
Range is below average compared with similar e-bikes, so longer rides may need more planning.
Battery capacity is low 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 shorter than average, which can help if topping up between rides.
The display or control unit should make it easier to monitor assistance and battery use on longer rides.
27
More maintenance likely
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 carbon frame material can be lightweight, though damage checks may need more care.
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.
28
Limited family utility practicality
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 136 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility 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 86.21.
E-system & battery comparison
Motor Power
600 watts
▲ 160 W above average
Motor Torque
60 Nm
▼ 18 Nm below average
Power-to-weight
31.55 W/kg
▲ 11 W/kg above average
Battery Capacity
580 Wh
▼ 51 Wh below average
Claimed Max Range
50 miles
▼ 11 miles below average
Charge Time
3h 30m
▼ 105 mins faster than average
Sensor Type
Torque Sensor
Removable Battery
Yes
Motor Name
TQ-HPR 60
This mountain e-bike offers a strong motor output for its category, with a power-to-weight balance that should make the assistance feel lively and responsive on trails. Next to similar models, its torque is more modest, which may mean steeper climbs require a bit more rider effort, though the torque sensor should keep the power delivery feeling natural and proportional. The motor should support technical riding with good low-speed control, and the chain drive system should handle rough terrain reliably. Riders looking for a balance between trail performance and a lighter, more agile ride may find this motor setup suits them well, though those prioritizing maximum climbing support might want to consider alternatives with higher torque.
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 off-road trails, thanks to its hydraulic disc brakes, which provide confident stopping power on rough terrain. The 600W motor with 60Nm of torque should offer smooth support for climbing and navigating trails, while the carbon frame and suspension system help maintain comfort on uneven surfaces. However, the battery capacity is below average, so longer rides may require careful planning or carrying a spare battery.
How does the motor perform when climbing steep trails?
The 600W motor with 60Nm of torque provides smooth support for climbing steep trails, though the lower torque compared to similar e-bikes may require more effort on very steep or technical sections. The lightweight design and responsive handling help maintain control, making it a solid choice for trail-focused riders who prioritize agility over raw climbing power.
Does the bike's suspension system handle rough terrain well?
The Trek Fuel+ MX 9.9 X0 AXS Gen 2 is equipped with a suspension system that should handle rough terrain reasonably well, offering comfort on uneven trails and roads. The front and rear suspension should help absorb shocks and improve ride quality, though it's not designed for extreme off-road conditions. This setup should be adequate for most trail riding scenarios, especially given the bike's lightweight frame and responsive handling.
Is the battery capacity sufficient for multi-day trail adventures?
The battery capacity of 580 watt-hours is below average for mountain e-bikes, so it may not provide enough range for multi-day trail adventures without careful planning. You'll likely need to carry a spare battery or plan for regular charging stops, especially on longer rides. The removable battery adds convenience for charging, but the overall range of around 50 miles means you should consider your route and terrain when planning extended trips.
How does the bike's weight affect its handling and portability?
The Trek Fuel+ MX 9.9 X0 AXS Gen 2 weighs 19.02 kg, which is below average for a mountain e-bike, making it relatively easy to handle on trails and carry when needed. This lighter weight should improve maneuverability on technical terrain and make the bike feel more responsive during rides. However, while it's easier to lift and transport than heavier models, it still has the bulk typical of a mountain e-bike, so portability may not be ideal for frequent carrying or compact storage.
Is this bike a good value for its price compared to similar models?
This bike is reasonably priced for its performance and features, but it may not offer the best value compared to similar models. While it has a powerful motor, confident braking, and a lightweight frame, the battery capacity is below average, which limits range and may require more frequent charging on longer rides. The price is higher than some competitors, so buyers should consider whether the performance and handling justify the cost for their specific needs.
How easy is it to charge and replace the battery?
The battery is removable, which makes it easy to charge and replace, especially if you're on the go or need to store it separately. Charging time is relatively quick compared to similar e-bikes, so you won't have to wait too long between rides. However, the battery capacity is below average, so you may need to plan for more frequent charges on longer rides or multi-day adventures.
What are the main limitations of this bike for serious mountain biking?
This bike is well-suited for trail riding, but it may struggle with very long or demanding mountain biking sessions due to its below-average battery capacity and range, which is only 50 miles. While the 600W motor provides smooth support for climbing, the lower torque of 60Nm might make steep or technical climbs more challenging. The lightweight design and hydraulic disc brakes offer good handling and confident braking, but riders focused on extended off-road adventures may need to plan for frequent recharging or carry spare batteries.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2026
The bike was released this year
Screen
Color display
Lights Included
No
Weight (inc battery): 19.02 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 3.98 kg under the average. Total bike weight may vary depending on frame size.
Sizing & Geometry
Min / Max Rider Height
XS | S 155–165 cm (5'1"–5'5") | M 165–176 cm (5'5"–5'9") | L 177–188 cm (5'10"–6'2") | XL 188–195 cm (6'2"–6'5")
Adjustable Sizing
Adjustable saddle height
Folded Dimensions
n/a
Wheel & Tire Details
Wheelset Name
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready
SRAM Maven Silver 4-piston hydraulic disc brakes with SRAM HS2 200 mm rotors
Brake Type: Hydraulic Disc Brake
Hydraulic operated discs brakes (Very good)
Brake Rotors
200 mm SRAM HS 2 rotors
Shifters
SRAM AXS Pod (wireless)
Other Components
Saddle
Unknown
Handlebars
Unknown
Bar Tape
Unknown
Manufactures Info
Worldwide Shipping:
Yes
Delivery across the globe!
Warranty:
2 Years
Limited warranty website average:
3.12 years
Introducing the TREK 2023 FX+ 2 - 252Wh, an innovative city e-bike engineered to revolutionise your cycling experience. Its intuitive and responsive pedal-assist system not only adds an exhilarating edge to city exploration but also eases uphill rides, ensuring an unrivalled biking experience. Perfectly designed for... Those desirous for a robust, easy-to-use city e-bike to add an extra pep to their everyday commutes, errands and fun rides. All y ... Read More
Introducing the TREK 2023 FX+ 2 - 252Wh, an innovative city e-bike engineered to revolutionise your cycling experience. Its intuitive and responsive pedal-assist system not only adds an exhilarating edge to city exploration but also eases uphill rides, ensuring an unrivalled biking experience. Perfectly designed for... Those desirous for a robust, easy-to-use city e-bike to add an extra pep to their everyday commutes, errands and fun rides. All you need is a TREK FX+ 2 and the city is yours to explore! Superior Technology This masterpiece comes equipped with a lightweight aluminium frame and fork, a powerful hub motor that assists up to 20 mph and a 250Wh battery, ensuring a remarkable range of up to 56 kilometers on a single charge. Coupled with rapid 700c wheels, reliable 9-speed Shimano drivetrain, hydraulic disc brakes and stable 40c tyres with reflective sidewalls, the bike provides unparalleled performance and safety. Moreover, it includes battery-powered integrated lights, a MIK-compatible rear rack, mudguards and a kickstand for your convenience. Why You'll love it Lightest e-bike: Its lightweight feature facilitates easy manoeuvring, especially while parking and carrying up stairs.Easy to Use: The pedal-assist system features a hub motor that provides a natural ride feel. The simple LED remote indicates your assist level at a glance.Ride-Ready: Comes with pre-included accessories like mudguards, lights and a rear rack.Extended Range: Option to double your range with a 250Wh plug-and-play Range Extender battery that attaches to your frame using water bottle mounts. The Verdict Enjoy the familiar comfort and versatility of a conventional bicycle combined with the added convenience of pedal-assist technology. The 2023 TREK FX+ 2 - 252Wh effortlessly bridges the gap between traditional cycling and electric biking, offering you the best of both worlds. It's not just a bike; it's your companion for city exploration, daily commutes, errands, and pure joy rides!
