Indoor trainers have been used by cyclist for years to maintain fitness in inclement weather. Trainers fix the rear wheel of the bike into the trainer stand. A trainer block raises and stabilizes the front wheel. Trainers come in air, magnet, magneto, and fluid resistance.
Trainers
If you want to increase you cycling skills, indoor rollers are the answer. The bicycle is balanced between three cylinders. The rider must keep the bike perpendicular to the cylinder to remain centered and more importantly upright. Once mastered, your balance and handling skills will be like a pro.
Rollers
Indoor Rollers by : CycleOps
Indoor trainers by :