Product Description pooboo 3 in 1 Foldable Indoor Cycling Bike with 8 Levels Magnetic Adjustable Resistance Specification: Product Weight: 42 lbs Magnetic Resistance: 8 levels Drive Mechanism: Belt Drive Package Size: 45.3''L x 9.8''W x 15.5''H Folded Dimensions: 20.5” L x 20.5” W x 52.2” H Assembled Dimensions: 48.6”L x 20.7”W x 45.3”H Package Content: 1 x Exercise Bike (Accessories and Tools) 1x arm resistance bands 1 x twist board 1 x User Manual 1 x Service Card 1 YEAR replacement of parts Features Upgraded Seat with Backrest The backrest with arm can provide a better support and long lasting comfort. You can change the exercise posture with seat armrest. Adjustable height meets more people who are different height. Smooth and Quiet Flywheel The 10lbs flywheel with magnetic resistance system will keep your workout quiet and smooth but also will not disturb others, perfect for home use.