Riding rollers takes a little bit of practice. The Bike is free to roam and can easily slide off the drums, sending you to the living room floor if you lose your balance. Once you’re up, keep your eyes trained in front of you and relax. Balancing becomes easy after just a couple of workouts. See a video demonstration above.
Pick up the January issue of Triathlete for reviews of three roller options.
Specialized's Mark Cote explains why you don't need to have an unlimited budget to make your current bike more aerodynamic.