Mountain bikes: hardtail or full suspension, how to choose the right one

Updated on 22 October 2026. The recommended products are available at the time of this update.

Choose a hardtail mountain bike if you mainly ride on gravel roads, flowing trails and cross-country routes and want straightforward maintenance. Choose a full-suspension bike if you often tackle roots, rocks and rough descents and want more traction and comfort. The choice depends on your usual routes, the correct size and your overall budget.

Hardtail or full suspension: what really changes

A hardtail MTB has a suspension fork and a rigid rear end. A full-suspension bike adds rear suspension, which helps the wheel follow uneven terrain.

• Hardtail: within the same price bracket, it tends to cost less and needs less maintenance. It is a sensible choice for getting started, training and riding on relatively smooth tracks.
• Full suspension: offers more comfort and traction on rough terrain, including technical climbs. It requires both suspension units to be set up, along with maintenance of the rear shock and suspension pivots.

Being a beginner does not mean you have to choose a hardtail. If the trails you ride are very rough, a full-suspension bike can make sense from the start, provided it suits your riding and is properly set up.

How to choose

Start with the rides you actually do: the surface, duration, elevation gain and difficulty of the descents matter more than the model name.

• Routes: a hardtail may be enough for gravel roads and well-trodden trails. If you often encounter obstacles and long descents on rough terrain, consider a full-suspension bike.
• Travel: indicates how far the suspension can move. More millimetres help with bigger impacts, but do not automatically make a bike better for every route.
• Wheels: 29-inch wheels roll over obstacles well and maintain speed. 27,5 wheels can help keep smaller bikes well proportioned: always check the wheel size specified for your frame size.
• Riding position: you should be able to reach the handlebar without feeling too stretched out and move around on the bike. Saddle height alone cannot compensate for the wrong frame size.
• Budget: allow for a helmet, essential equipment and maintenance too. On a limited budget, a hardtail suited to your routes is often a more sustainable choice than a full-suspension bike chosen simply to have suspension at both ends.

Cross-country, trail and enduro: how much travel do you need?

Categories help you find your way, but their boundaries overlap. These ranges are a guide: geometry, brakes and tyres matter alongside suspension.

• Cross-country, or XC: prioritises pedalling, climbing and pace. Around 100-120 mm of travel is common on both hardtails and full-suspension bikes.
• Trail: aims for a balance between climbing and descending on more varied and technical trails. Full-suspension bikes often have travel in the region of 130-150 mm; dedicated hardtails are also available.
• Enduro: prioritises demanding descents while still allowing you to pedal back up. Full-suspension bikes with around 160-180 mm of travel are common.

A XC hardtail does not become an enduro bike by fitting a longer-travel fork. Any modifications must respect the frame's limits and component compatibility.

29 wheels and the right size

The designation MTB 29 indicates the wheel diameter, not the frame size. Two bikes with the same wheel size can have very different riding positions.

Use your height and inside leg measurement as a starting point, then consult the individual model's size chart. Also compare reach, meaning how far the frame extends forwards relative to the pedals, and the room you have to move when you get out of the saddle.

• Do not automatically assume your size is the same across different brands.
• If you are between sizes, assess your body proportions and riding position with a test ride.
• Check the wheel diameter and fork travel for your chosen size: they can vary.

Our recommendations, available now

This selection includes hardtails for getting started or cross-country riding and two full-suspension bikes for more demanding trails. Check the model's product page for the available options.

Trek Marlin 5 Gen 3 2027 Hardtail Mountain Bike

It suits riders looking for a hardtail for tracks, trails and off-road rides, with an aluminium frame and a Shimano CUES 9-speed drivetrain. It has Shimano MT200 hydraulic brakes and a fork with 100 mm of travel, reduced to 80 mm in XS; the wheels are 27,5 on sizes XS and S, and 29 on the others.

Bottecchia Stelvio 297+ Shimano Deore 12-speed Hardtail Mountain Bike

It is an option for riders who want a hardtail for trails and fitness rides, with an aluminium frame and 29-inch wheels. It pairs a RS Judy TK Air fork with 100 mm of travel with a Shimano Deore 12-speed drivetrain and a 10-51 cassette.

Trek Marlin 7 Gen 3 2027 Hardtail Mountain Bike

It is designed for riders who use their bike every day and also want to tackle off-road routes. It offers an aluminium frame, a RockShox Judy fork with 100 mm of travel and a SRAM NX Eagle 12-speed rear derailleur; the wheels are 27,5 on size S and 29 on sizes M and above.

Scott Scale 920 Hardtail Mountain Bike

For riders looking for a Scott Scale with race-inspired geometry, this model has a HMF carbon frame and a RockShox Judy air fork with 110 mm of travel. The equipment includes a Shimano Deore 12-speed drivetrain, Maxxis Rekon Race 29x2.4 tyres and a Syncros dropper seatpost.

Scott Spark DC 40

A full-suspension bike for riders looking for a balance between pedalling efficiency and trail handling, with a HMF carbon frame, 140 mm of front travel and 138 mm at the rear. It comes with a RockShox Pike fork, a RockShox Deluxe Traction Control shock and four-piston Shimano brakes.

Scott Spark DC 30

Designed to combine climbing efficiency with control on technical trails, with a HMF carbon frame and 140 mm of suspension travel at the front and 138 mm at the rear. It offers a 12-speed SRAM S1000 Eagle AXS Transmission wireless electronic rear derailleur, four-piston SRAM DB6 brakes and a dropper seatpost.

Buying a MTB online: what to check

If you are looking for MTB bikes on offer, first compare their intended use, size and component specification. The family name alone is not enough: the generation and build can mean different forks, drivetrains and wheels.

• Read the specifications for the variant you are selecting.
• Compare the available gear ratios, not just the number of speeds.
• Clarify any questions about size and components before buying.

You can explore the MTB Bikes collection. For shipping information, see the shipping policy.

Let's choose and set up your bike together in Casapulla

Evolution Bikes has been a family-run shop in Casapulla, in the province of Caserta, since 1974 and is now in its third generation. In store, you can discuss a test ride and have your bike adjusted, with workshop, bike fitting and e-bike support: contact us to choose your model and size.

Frequently asked questions

Is a hardtail or a full-suspension bike better for starting mountain biking?

For gravel roads and flowing trails, a hardtail is often sufficient and requires less maintenance. If you ride very rough terrain, a full-suspension bike can offer more comfort and traction, even for beginners.

How many millimetres of travel does a MTB need?

As a guide, 100-120 mm is common in cross-country, 130-150 mm in trail riding and 160-180 mm in enduro. The choice depends on the terrain and should be considered alongside geometry, brakes and tyres.

Is a 29 mountain bike suitable for shorter riders too?

It can be suitable if the frame size and geometry are appropriate. Some models use 27,5 wheels in smaller sizes: check the model's size chart and consider a test ride.

How do I choose the size of a MTB bought online?

Start with your height and inside leg measurement and consult the model-specific size chart. If you are between sizes, ask for advice, providing your measurements and the type of terrain you ride.