With an indoor bike, you can boost your endurance, whatever the weather outside. The indoor bike is ideal for warming up before a fitness or strength training session. The Racing Bike 1. 0 indoor bike featured here has an F25x50 crankset and a 3.25:1 gear ratio. Suitable for regular and semi-professional use. Detailed features:F25x50 crankset with 3.25:1 transmission ratio. 11-position adjustable saddle - 5-position adjustable handlebars. Steel frame with plastic parts. Stepless resistance adjustment. Chain drive. 13 KG flywheel. Maximum load capacity 110 KG. Dimensions: 120 x 50 x 108 cm. Handlebars: 50 cm wide by 30 cm deep. Distance from ground to pedals: 13 - 46 cm. Pedal arm length: 16.5 cm. Saddle height adjustable from 80 to 108 cm - saddle horizontally adjustable from 0 to 8 cm. Handlebar height adjustable from 0 to 10 cm - handlebar not horizontally adjustable. User body size: 1.50 m to 1.90 m. Package size: 106 cm x 22.5 cm x 88.5 cm. The indoor bike for fitness and fun When you're on the bike, the best thing is to be able to work out to music, to improve your physical fitness, without any constraints. The indoor bike is ideal for this: no rain, no cars, no traffic jams, no air that's too hot or too cold. The Racing bike 1. 0 lets you indulge your passion for cycling at any time, in the peace and quiet of your own home.