One of the first decisions in choosing a mountain bike is suspension setup: full-suspension, with both a front fork and rear shock, or a hardtail, with just a front fork and a rigid rear end. Neither is objectively better — they trade off differently.
What full suspension adds
A rear shock lets the back wheel move independently of the frame, absorbing impacts from roots, rocks, and rough terrain instead of transmitting them to the rider. This generally means more traction, more control at speed, and more comfort on rough descents. The tradeoffs are added weight, more moving parts to maintain, and a higher price for a comparable build.
What a hardtail offers instead
Without a rear shock, hardtails are lighter, simpler to maintain, and typically less expensive than a full-suspension bike with a similar component spec. Pedaling efficiency also tends to be better on smoother climbs, since there's no rear suspension to absorb pedaling energy. The tradeoff shows up on rough, technical descents, where the rear wheel transmits more of the terrain directly to the rider.
Which one fits your riding
If most of your riding is on smoother trails, or you value simplicity, lower maintenance, and a lighter bike, a hardtail is a genuinely good choice — not just a budget compromise. If your trails are rougher and technical descending is a priority, the extra traction and comfort of full suspension is usually worth the added weight and cost.
Compare both setups in our Mountain & Trail Bikes collection.