From childhood rides to weekend adventures, most of us have grown up riding bicycles. But bikes are not all the same — road bikes, mountain bikes, gravel bikes and fixies are built for different purposes. Electric bikes follow the same idea, and today we will look at what to consider when choosing a fat tyre electric mountain bike.
What Is an Electric Mountain Bike?
An electric mountain bike (eMTB) is a mountain bike fitted with a battery powered motor that assists your pedalling. The motor does not replace your effort; it adds extra power when you need it, making steep climbs easier and allowing you to ride further with less fatigue.
Unlike a standard mountain bike, an eMTB is designed around the demands of off road riding. It combines electric assistance with features such as stronger frames, suspension systems and wider tyres to handle trails, gravel paths and uneven terrain.
The main advantage of an electric mountain bike is that it opens up more riding possibilities. A climb that once required maximum effort becomes more manageable, while longer countryside routes become easier to complete.
For UK riders, this extra capability is especially useful because trails often involve a mixture of steep sections, loose surfaces, mud and changing weather conditions throughout the year.
How to Choose an Electric Mountain Bike
The right electric mountain bike starts with your riding environment. A lightweight eMTB designed for smooth trails will feel very different from a powerful model built for steep climbs and difficult terrain.
Choose Based on Where You Ride
Your usual riding location should determine the type of eMTB you need.
Forest trails and maintained tracks generally do not require the highest power setup. A lighter electric mountain bike with comfortable suspension and reliable tyres is usually enough for woodland paths, gravel tracks and easier off road routes.
Bridleways require a more versatile bike because conditions can change quickly. UK bridleways often combine gravel, grass, mud and uneven surfaces, so traction and comfort become more important than pure speed. Wider tyres and a stable frame help the bike handle unpredictable ground.
Hilly areas require more attention to motor performance. A bike that feels powerful on flat paths may struggle on long climbs, especially when carrying extra weight or riding on loose surfaces. Higher torque motors provide stronger assistance and make steep sections easier to manage.
Mixed terrain riders should look for a balanced setup. An electric mountain bike used across roads, trails and countryside routes needs enough comfort, grip and battery capacity to handle different conditions without becoming difficult to control.
Hardtail vs Full Suspension eMTB
Full suspension is the better choice for rough UK trails, while hardtail models remain a practical option for smoother routes and riders who want a simpler, lighter bike.
A hardtail electric mountain bike uses suspension at the front but has no rear shock. This design keeps the bike lighter and reduces maintenance, making it suitable for riders who mainly use forest paths, gravel routes and easier trails.
The main limitation is comfort. Without rear suspension, impacts from rocks, roots and uneven ground are transferred more directly through the frame. This becomes noticeable during longer rides or on rougher terrain.
A full suspension electric mountain bike uses both front and rear suspension to absorb impacts. The rear shock helps the rear tyre maintain contact with the ground, improving comfort, traction and control.
For UK riders exploring technical trails, muddy routes or uneven countryside paths, full suspension provides a clear advantage. The extra weight and cost are worthwhile because the bike feels more stable and easier to control when the terrain becomes challenging.
Hub Motor vs Mid Drive Motor
For most recreational riders, a hub motor electric mountain bike offers the best balance of performance and value. Mid drive systems are better suited to riders who prioritise a more natural riding feel and advanced trail performance.
A hub motor sits inside the wheel and delivers power directly to the tyre. This design is simple, reliable and capable of providing strong acceleration. Many powerful eMTBs use hub motors because they can deliver high output while keeping the overall system straightforward.
A mid drive motor sits near the pedals and transfers power through the bike’s drivetrain. This creates better weight distribution and a riding experience closer to a traditional mountain bike.
Mid drive systems perform particularly well on technical climbs because the motor works with the bike’s gears. However, they are usually more expensive and require more complex maintenance.
The better choice depends on your priorities. Hub motors are ideal for riders who want strong assistance and reliability, while mid drive motors appeal to riders focused on technical trail riding.
Single Motor vs Dual Motor Electric Mountain Bike
A single motor electric mountain bike is enough for most everyday trail riding. A dual motor model is designed for riders who need extra traction and climbing ability on more demanding terrain.
Single motor eMTBs work well for general countryside riding, moderate hills and smoother trails. They provide reliable assistance without adding unnecessary weight or complexity.
Dual motor electric bikes use two motors to deliver power to both wheels. This improves traction on loose surfaces and provides additional support when climbing steep hills.
The difference becomes noticeable on:
- steep climbs
- muddy trails
- loose gravel
- uneven terrain
The Tesway X7 AWD and Tesway X9 Ultra are examples of dual motor electric mountain bikes designed for riders who need more control and climbing performance. Their all wheel drive systems provide additional traction compared with traditional single motor setups, making them better suited to challenging terrain.
For riders who mainly use flat paths and easy trails, a single motor model is usually enough. For steep UK landscapes and demanding off road riding, dual motor capability provides extra confidence.
How Much Battery Capacity Do You Need?
Battery capacity is usually shown in Ah (amp hours) and Wh (watt hours). Ah tells you how much charge the battery stores, while Wh gives a better picture of the total energy available. The calculation is simple: Volts × Ah = Wh.
For a conventional single motor eMTB, batteries around 36V to 48V and 10Ah to 15Ah usually provide roughly 360Wh to 720Wh. That is enough for shorter trail rides and regular recreational use. Longer countryside routes and repeated climbing are better served by batteries around 600Wh to 800Wh or more.
Dual motor electric mountain bikes usually need much larger batteries because two motors draw more energy. Capacities above 20Ah are common on high power models, and some go far beyond that. The Tesway X9 Ultra uses a 60V 30Ah battery, equal to 1,800Wh, while the Tesway X7 AWD uses a 52V 60Ah battery, giving it 3,120Wh of total capacity.
Do not compare batteries by Ah alone. A 20Ah 36V battery has 720Wh, while a 20Ah 52V battery has 1,040Wh. For most buyers, Wh is the more useful number for comparing range, while Ah helps show how large the battery pack is within the same voltage class.
Are Fat Tyres Better for UK Trails?
Fat tyres are a good choice for many UK trails because they provide more grip, stability and comfort on loose or slippery ground. Their wider contact patch helps the bike stay planted on mud, wet grass, gravel and uneven countryside tracks, which are common riding conditions in the UK.
They also allow riders to run slightly lower tyre pressures, helping the tyre conform to rough surfaces instead of bouncing over them. This can improve comfort and traction on rocky paths, roots and broken ground, especially when combined with suspension.
Fat tyres feel slower on smooth tarmac and add more rotating mass, so they are not the best choice for riders who spend most of their time on paved roads or well maintained paths.
For mixed terrain riding, however, fat tyres make sense. A 4 inch tyre gives noticeably more stability than a conventional mountain bike tyre and is especially useful for riders who prioritise grip and confidence over speed and efficiency.
How Much Should You Spend on an Electric Mountain Bike?
In the UK, around £2,000 to £3,000 is a common starting point, with plenty of capable electric mountain bikes under £3,000 available from established brands. Popular names such as Cube, Trek, Haibike and Whyte are widely available through major UK bike retailers, with many hardtail and entry level trail eMTBs sitting in the £2,000 to £4,000 range.
Full suspension models usually cost more. Mid range eMTBs from brands such as Trek, Cube and Whyte often move into the £4,000 to £6,000 bracket, while premium models can easily exceed £7,000. At that level, much of the extra cost goes into lighter frames, higher end suspension, refined mid drive systems and premium drivetrains.
Tesway sits in a different part of the market. The Tesway X7 AWD and X9 Ultra focus more on dual motor power, large battery capacity and full suspension at a much lower price than many premium eMTBs. That makes them more relevant to riders who value climbing power, range and all terrain capability over low weight or high end trail components.
For most UK buyers, £2,000 to £4,000 is the mainstream eMTB budget. Spending above that makes sense when lightweight construction, premium suspension and advanced mid drive performance matter most.
Best Electric Mountain Bike Features for UK Riding
UK trails often combine steep climbs, wet ground, roots, gravel and uneven surfaces. A capable eMTB therefore needs more than basic motor assistance. For most riders, the most useful numbers to compare are motor torque, battery capacity, suspension travel and brake size.
Powerful Motor for Hills
For hill climbing, torque matters more than top speed. Around 60 to 85Nm is already enough for general trail riding, while 85 to 100Nm or more is better suited to steeper climbs and heavier eMTBs. Bosch’s current Performance Line CX, for example, can deliver up to 100Nm, while higher output systems now reach around 120Nm.
More torque helps the motor maintain assistance at lower speeds, which is exactly where steep climbs become difficult. Riders tackling hilly UK terrain should therefore compare Nm before looking at headline maximum speed.
Long Range Battery
For a conventional single motor eMTB, 600 to 800Wh is a strong range for regular trail riding. An 800Wh battery is already considered large in the mainstream eMTB market; Trek’s current Rail+, for example, uses an 800Wh Bosch PowerTube.
Battery requirements rise as motor output increases. Long climbs, heavier bikes and high assistance levels all consume more energy, while dual motor electric mountain bikes can justify batteries well above 1,000Wh. For UK riders planning longer countryside routes, battery capacity should be judged in Wh rather than relying only on an advertised mileage figure.
Full Suspension Comfort
Suspension travel gives a clearer idea of what type of terrain an eMTB is built to handle. Around 120 to 140mm is suitable for general trail riding, while 150 to 160mm provides more control on rougher trails, steeper descents and larger impacts.
As a reference, Trek’s current Rail+ uses 160mm of travel at both the front and rear, which places it firmly in the more aggressive trail and enduro category.
More travel is not automatically better. A 160mm setup adds weight and can feel excessive on smooth woodland paths. For typical mixed UK trails, roughly 130 to 150mm is a useful middle ground, while 160mm makes more sense for genuinely rough terrain.
Hydraulic Disc Brakes
Hydraulic disc brakes should be treated as standard equipment on a serious eMTB. The heavier weight of an electric mountain bike means the brakes have more mass to slow down, particularly on long descents.
Rotor size is one useful number to check. 180mm rotors are suitable for lighter trail riding, while 200 to 203mm rotors provide better heat management and stronger braking for heavier eMTBs and steeper terrain. Four piston calipers are also preferable on powerful or heavier models because they provide more controlled braking under repeated use.
Tesway electric bikes combine the features that matter most for demanding UK riding, including high torque, large battery capacity, full suspension and hydraulic disc brakes. Models such as the X7 AWD and X9 Ultra are built for riders who want stronger climbing performance, longer range and better control across mixed terrain.
Who Should Buy a High Power Electric Mountain Bike?
A high power electric mountain bike is the right choice for riders who regularly face steep climbs, rough trails and longer off road routes.
The main advantages are easier climbing, stronger acceleration and better performance when terrain becomes difficult.
The Tesway X9 Ultra is designed for riders who want maximum power and capability on demanding terrain, especially steep hills and challenging trails. The Tesway X7 AWD provides a more balanced all terrain option, combining strong traction with versatility across different riding conditions.
A high power eMTB is unnecessary for simple recreational paths, but it provides clear benefits for riders who want to explore more challenging UK landscapes with greater confidence.
FAQs
What is the best electric mountain bike for hills?
The best electric mountain bike for hills needs strong motor torque, good traction and enough battery capacity. A powerful motor helps maintain assistance on steep climbs, while a stable suspension system improves control.
Is a full suspension electric mountain bike worth it?
Yes, especially for riders who regularly ride rough trails, steep descents or uneven terrain. Full suspension improves comfort, grip and control compared with hardtail models.
Are fat tyre electric mountain bikes good for off road riding?
Yes. Fat tyres provide better grip and stability on mud, gravel and wet surfaces, making them well suited to many UK trails.
How far can an electric mountain bike travel?
Range depends on battery size, terrain, rider weight and assistance level. Larger batteries provide more flexibility for longer and hillier routes.
Do I need a dual motor electric mountain bike?
Most riders do not need dual motors for simple trails. However, dual motor eMTBs are a better choice for steep hills, loose surfaces and riders who want maximum traction and climbing ability.
