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 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 138.89.
86
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 appears to include larger rotors, which can help braking power and heat management.
84
Good 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.
82
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 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 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.
Multiple ride modes should help the rider manage assistance on technical trails.
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.
77
Good smooth power delivery
Torque-sensing assistance should make power delivery feel smoother and more natural.
Torque-sensing assistance should make power delivery feel smoother and more natural.
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.
70
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.
67
Mixed 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.
A very light bike may feel less planted over rough or broken surfaces.
Frame material is listed as carbon fiber, which gives useful comfort and build context.
64
Mixed range-to-weight balance
Range is below average, so the range-to-weight balance is more limited.
Range is below average, so the range-to-weight balance is more limited.
The bike is very light compared with similar e-bikes, which strongly supports range-to-weight balance.
Battery efficiency appears strong, which supports a better range-to-weight balance.
The calculated range per kg is 2.75.
The calculated range per battery unit is 138.89.
Overview
The Trek Fuel EXe 9.8 GX AXS is a capable mountain bike designed for trail riding, offering smooth motor support and confident braking for varied terrain. Its efficient battery use provides a reasonable range for most rides, though longer trips may require careful planning. The carbon frame and suspension make it feel lively and responsive, but the motor’s lower power and torque mean it won’t dominate steep climbs or rapid acceleration. Charging takes longer than average, so keeping it topped up is important. Overall, it’s a well-rounded trail e-bike that excels in control and comfort, but has limitations in power and range compared to more specialized models.
Best For
✓
This mountain e-bike should suit riders who prioritize confident braking, smooth power delivery and control on rougher trails. Its hydraulic disc brakes and torque-sensing motor provide responsive assistance that feels natural, while the carbon frame and 29-inch wheels help maintain stability on varied terrain. The bike’s light weight for a mountain e-bike may also appeal to riders looking for agility without sacrificing off-road capability.
Who Should Avoid It
×
Riders who prioritize long-distance off-road rides or need quick charging may want to compare alternatives. The bike's range is below average for similar mountain e-bikes, and its charging time is higher than many competitors, which could be a drawback for those planning extended trips or needing to recharge quickly. Riders who frequently tackle steep hills may also find the motor power and torque to be less effective against stronger-torque options in the same category. However, the bike still offers solid braking confidence and smooth power delivery, which may suit riders focused on trail control and off-road capability.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
16
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.
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.
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 lighter than many similar e-bikes, which should make storage and moving it around easier.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
59
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 18.17 kg.
The carbon frame material should help keep weight down.
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.
11
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.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.
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.
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 138.89.
51
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.
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.
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 carbon fiber, which gives useful durability and maintenance context.
23
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.
Where to buy
Priced at £9,900, the Trek Fuel EXe 9.8 GX AXS sits towards the higher end of the mountain bike market for 2023 models. Its premium components and advanced features justify the cost, though buyers may want to weigh this against more affordable alternatives with similar performance potential.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £4,241.93 above average
Lowest price now: £5,500.00Best price ever seen:
£5,500.00Price drop detectedPrices update every ~24 hours
Priced at £9,900, the Trek Fuel EXe 9.8 GX AXS sits at the higher end of the market for mountain e-bikes from 2023, and the price feels demanding when compared with similar models from the same year. It offers strong points like efficient battery use, hydraulic disc brakes for confident stopping, and front and rear suspension that should help with comfort and control on rough trails. However, some rivals may offer greater range, larger batteries, or stronger motor support for climbing, which could be important for more demanding off-road use. For a mountain e-bike, the trade-off here seems to be between a lighter, more agile frame and slightly reduced battery capacity or motor output, which may appeal to riders who prioritize handling and responsiveness over maximum range. Buyers who value a lightweight, responsive ride and are less concerned about extended range or faster charging may find the value more compelling, though those needing more power or endurance on long rides might look elsewhere.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
18
The price/value label suggests this bike is expensive compared with similar options.
The listed price is GBP 9,900.
Against bikes from a similar release year, the price is expensive.
50W less power25 miles more rangeSame battery1 kg lighterSame gears
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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 low compared with similar e-bikes.
Power-to-weight is average for this type of e-bike.
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 16.51.
0
Not ideal for steep hills
Torque is low compared with similar e-bikes.
Torque is low compared with similar e-bikes.
Power-to-weight is average for this type of e-bike.
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 lighter than many similar e-bikes, which should help on climbs.
The calculated power-to-weight score is 16.51.
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 below average, but may still be usable for shorter commutes.
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 non-removable battery can make charging less flexible.
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.
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 lighter than many similar e-bikes, which should make storage and moving it around easier.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.
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.
5
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 modest but still usable for shorter rides.
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.
11
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 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.
E-system & battery comparison
Motor Power
300 watts
▼ 140 W below average
Motor Torque
50 Nm
▼ 28 Nm below average
Power-to-weight
16.51 W/kg
▼ 3.9 W/kg below average
Battery Capacity
360 Wh
▼ 271 Wh below average
Claimed Max Range
50 miles
▼ 11 miles below average
Charge Time
6h 45m
▲ 90 mins slower than average
Sensor Type
Torque Sensor
Removable Battery
No
This mountain e-bike offers a more modest motor output for its category, with a torque-sensing system that should make the assistance feel natural and proportional to rider effort. Next to similar trail e-bikes, it may feel less punchy in acceleration and less supportive on steeper climbs, but its low weight should help it feel agile and responsive on technical terrain. The motor support should be adequate for most trail riding, though riders tackling very steep or technical climbs may find they need to put in more effort. The torque sensor and balanced power-to-weight ratio should contribute to smooth, controlled assistance, making it a good fit for riders who prioritize agility and efficiency over maximum motor punch. This setup is likely to suit those looking for a lightweight, trail-capable e-bike that feels natural to ride rather than one focused on brute power.
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, with a design that supports trail riding and confident braking for varied terrain. However, its lower motor power and torque may make steep climbs or rapid acceleration feel less responsive, and the battery range of 50 miles may require careful planning for longer rides. Charging also takes longer than average, so you'll need to keep an eye on the battery level if you're heading out for extended off-road sessions.
How does the motor perform when climbing steep trails?
The motor provides smooth support for climbing trails, but its lower power and torque may make steep ascents feel less effortless, especially on longer or more technical climbs. You'll likely need to manage your speed and effort carefully, as the motor won't offer strong acceleration or heavy lifting power. This makes it better suited for moderate trails rather than extremely steep or sustained climbs.
Does the bike have enough battery range for multi-day adventures?
The Trek Fuel EXe 9.8 GX AXS has a 50-mile range, which is below average for mountain e-bikes and may require careful planning for multi-day adventures. While the battery is efficient, the low capacity means you’ll need to manage your power use and possibly carry a spare battery or plan charging stops. For extended trips, you might find the range limiting unless you ride conservatively and have access to charging points along the way.
How practical is this bike for everyday use and charging?
This bike is reasonably practical for everyday use, especially for trail riding and shorter commutes, but charging may require some planning. The battery provides a decent range for most rides, but it's on the lower side for longer trips, so you may need to recharge more frequently. Charging takes longer than average, and since the battery isn't removable, you'll need to keep the whole bike near a power source when charging. For daily trail use or light off-road riding, it should work well, but it's not the best choice if you need quick charging or extended range without planning.
Is this bike good value for its price compared to similar e-bikes?
The Trek Fuel EXe 9.8 GX AXS offers a solid set of features for a mountain e-bike, including efficient battery use, confident braking, and a lightweight frame. However, its lower motor power and torque, along with a smaller battery capacity and slower charging time, may limit its performance on demanding trails or longer rides. At its price, it’s a well-built option for trail riding, but buyers seeking more power or range might find better value in higher-end models.
How does the braking system handle rough terrain and high speeds?
The Trek Fuel EXe 9.8 GX AXS features hydraulic disc brakes, which should provide strong and controlled stopping power even on rough terrain and at higher speeds. These brakes are well-suited for trail riding, offering confidence when navigating technical sections or descending steep trails. However, the braking performance will also depend on tire grip and trail conditions, so maintaining proper tire pressure and using appropriate riding techniques can further enhance control.
Is the bike easy to lift or carry when needed?
The Trek Fuel EXe 9.8 GX AXS weighs 18.17 kg, which is relatively light for a mountain e-bike, making it easier to lift or carry compared to heavier models. However, since it’s a full-sized mountain bike with a non-removable battery, you’ll need to lift the entire bike rather than just the battery. This could be a consideration if you need to carry it up stairs or store it in a small space, but the weight should still be manageable for most users.
What are the main compromises of this bike compared to others in its category?
Compared to other mountain e-bikes, this model has a lower motor power and torque, which may make steep climbs and quick acceleration feel less responsive. It also has a smaller battery capacity and slower charging time, which could limit range and convenience for longer rides. While the bike offers good trail control and efficient battery use, these compromises mean it may not be the best choice for riders prioritizing power, long-distance capability, or fast charging.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2023
The bike was released 3 years ago
Screen
TQ LED display with Bluetooth & ANT+ connectivity
Lights Included
No
Weight (inc battery): 18.17 kg
The website average for electric bikes is
22.99 kg.
This electric bike is 4.83 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 Elite 30, OCLV Mountain Carbon, Tubeless Ready
SRAM Code R (or Code Bronze depending on production batch) 4-piston hydraulic disc
Shifters
SRAM GX Eagle AXS Controller (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
The Fuel EXe 9.8 GX AXS takes an evolved approach to e-mountain biking with a streamlined new motor that packs in space-age technology in a tiny-but-mighty package. It's built on a carbon fibre chassis that's light, stiff and nimble for a lively and playful trail feel. And to keep a good thing going, it's topped off with carbon wheels, wireless shifting technology of SRAM GX AXS and silky-smooth suspension of a RockShox Lyrik Select+ fork and Sup ... Read More
The Fuel EXe 9.8 GX AXS takes an evolved approach to e-mountain biking with a streamlined new motor that packs in space-age technology in a tiny-but-mighty package. It's built on a carbon fibre chassis that's light, stiff and nimble for a lively and playful trail feel. And to keep a good thing going, it's topped off with carbon wheels, wireless shifting technology of SRAM GX AXS and silky-smooth suspension of a RockShox Lyrik Select+ fork and SuperDeluxe Select+ rear suspension. It's right for you if...You want a lively trail bike that feels like a traditional mountain bike in quick, techy terrain, but gives you a little boost in pedal power on the way back up. You want space-age technology everywhere from motor to drivetrain, and upgraded suspension that keeps you floating on the trail. You don't want to lose out on the natural experience of mountain biking, and want a refined motor that quietly assists while you ride. The tech you getAn OCLV Mountain Carbon frame equipped with a fully encased 360 Wh battery and TQ harmonic pin ring transmission with a smart charging port, integrated LED display and discreet handlebar remote. Plus, a 150 mm RockShox Lyrik Select+ fork with DebonAir spring and Charger 2.1 RC damper, and 140 mm RockShox Super Deluxe Select+ rear suspension. The cherry on top? A wireless SRAM GX AXS drivetrain that keeps your cockpit minimalist and clean. The final wordThe Fuel EXe 9.8 is a refined trail bike with just the right amount of power for scorching climbs before turning around to rally though technical and flow trails alike. Its equipped with future-minded technology, like the space-approved TQ transmission and wireless SRAM GX AXS shifting that keeps your cockpit minimalist. Finally, carbon wheels and an upgraded RockShox suspension package keeps you floating on the trail even when the conditions get hairy. Why you'll love itYou get a bike that rides like your favourite trail bike on descents and gives you adaptive assist on the climbs that doesn't make you feel like a cheatIts tiny-but-mighty TQ transmission is tuned for the trail, keeping things quiet so you can stay in the moment, plus it ramps up power with you for a natural ride feelThe smart charge port, sleek integrated display and discreet controls keep the bike looking and feeling like a traditional mountain bikeIt keeps your ride silky smooth even when the trail gets rowdy thanks to the upgraded RockShox suspension package that offers 150 mm of front and 140 mm of rear travelYou'll be able to add on a range extender when you want a little extra fuel in the tank for big days on the bike
