The 510Sr offers all the important needed features to enhance your ride. With an easy to read and operate LCD rider display, this home recumbent bike becomes your personal training partner with 20 QuickSet workout programs with all the real time ride data including speed, time, distance and heart rate via the integrated heart rate sensors. With 16 levels of the frictionless, fan-less eddy current braking resistance, your road can be as easy or hard as you want it to be, but will always be smooth. Additional recumbent bike rider accessories include an iPod or other Mp3 player audio input, USB charger, built in speakers or headphone jack, stowaway magazine holder and personal cooling fans when your training session really heats up. If you are looking for a recumbent bike for weight loss, general fitness or long term training goals, let the Diamondback Fitness 510Sr recumbent bike provide you with a quality, reliable, comfortable ride to help you achieve and maintain your fitness goals and healthy lifestyle.