Sunny Health & Fitness Pro Indoor Cycling Bike Indoor cycling bike with 40-pound flywheel Heavy-duty crank and smooth chain drive mechanism Fully adjustable seat and handlebars for comfort Seat dimensions( inches) : 10.25L x 6.5W x 2.5H. Adjustable resistance systems; transport wheels Supports up to 275 pounds; measures 20 x 46.5 x 48.5 inches (W x H x D) The left pedal needs to be screwed in counter clockwise. Foot Pedal Style: Caged Assembly required;Check User Manual in Product Details before use