What is a Full Suspension Bike?Theyre designed for a variety of off-road uses: cross-country, trail riding, free riding, downhill riding and north shore riding. They improve comfort, control and efficiency by keeping the wheels in contact with the trail more. This translates to a smoother, faster ride. Suspension travel can range widely with shorter travel more suited to cross-country and the longer travel for DH and Free ride. They can be referred to as FS, full suspension or dual suspension.