KY-LF8600 Upright Exercise Bike is manufactured to commercial standards to ensure quality; Multi-position handlebars make it easy to change riding positions, and the comfortable contoured seat is easily adjustable to provide an ideal fit for users of all sizes; Heavy-duty welded steel Frame provides excellent stability during tough rides and durability to withstand years of use; Self-powered design makes it easy to place the bike wherever it's most convenient; Conveniently positioned contact grips, plus telemetry and Bluetooth Various heart rate tracking options for receivers;An adjustable, ergonomically contoured seat makes even long, intense workouts comfortable for riders of all sizes.