In short:
- A hardtail only has a suspension fork, while a full-suspension mountain bike adds a rear shock.
- A full-suspension bike weighs 1.5 to 2 kg more at the same price level and costs at least 1,800 euros for a reliable model.
- Travel ranges from 100 mm in cross-country to 180 mm in enduro.
- The hardtail remains the most rational choice for smooth trails and budgets under 1,500 euros.
Two designs, two uses
Choosing between a full-suspension vs hardtail mountain bike depends first on the terrain. A hardtail transfers pedalling energy directly and stays lively on smooth trails.
A full-suspension bike absorbs impacts at the rear. The wheel stays in contact with the ground, which improves grip on technical climbs as well as descents.
Comparing the two types of mountain bike
| Criterion | Hardtail | Full-suspension |
|---|---|---|
| Reliable entry price | 600 to 1,000 euros | 1,800 to 2,500 euros |
| Average weight | 11 to 13 kg | 13 to 15 kg |
| Typical travel | 100 to 130 mm (front) | 120 to 180 mm |
| Yearly servicing | Fork only | Fork and shock |
| Ideal terrain | Tracks, cross-country | Technical trails, enduro |
Servicing a rear shock costs 80 to 150 euros a year at a workshop, a cost to include in the overall budget.
What about electric assistance?
The same question applies to electric mountain bikes. The weight of the motor makes full suspension more relevant, as it stabilises a bike weighing more than 20 kg.
For riders who favour smooth tracks and travel, a gravel bike can also replace a hardtail. In every case, using a bike size chart remains the first step to comfort.
Frequently asked questions
Full-suspension or hardtail mountain bike: which should you choose?
A hardtail, with front suspension only, suits smooth trails, cross-country and budgets from 600 euros. A full-suspension bike, with a rear shock, brings comfort and control on technical terrain, for a budget of at least 1,800 euros and 1.5 to 2 kg of extra weight. If more than 30% of your riding is technical singletrack, full suspension is the better choice.
How much suspension travel do you need on a mountain bike?
Cross-country uses 100 to 120 mm of travel, trail 130 to 150 mm, enduro 160 to 180 mm and downhill 200 mm. The more travel, the more comfortable the bike is downhill, and the heavier it feels uphill.
Is a hardtail good for beginners?
Yes. A hardtail is lighter, cheaper and needs less maintenance. It also forces riders to work on handling and line choice, a useful foundation for progress.