The BC 4632 is a great looking high quality home use studio style exercise bike from Body Sculpture. As you would expect from this manufacturer the bike itself is constructed of the highest grade steel & plastics & it also features a large chain driven 18kg flywheel for added stability. The large flywheel powered by the ultr-quiet chain-driven transmission system ensures a smooth workout & the micro-tension control enables you to select the perfect amount of resistance to meet your workout needs. There is an emergency 'punch' brake system in case of emergency. The same setup you'd find on the bikes in the studio classes at your local gym, for a fraction of the cost! The BC4632 also features non-slip alloy pedals with adjustable toe cages, adjustable handlebars & saddle, for safety, comfort & to allow you to tailor the bike to your specific needs.