At the ends of the legs it has four tips to improve its grip on the surface where it is placed. CHARACTERISTICS: Made of chrome plated steel Plastic pedals (PP) With pedal pressure lever. Product dimensions: 48 x 37 x 24 cm Article weight: 2.3 kg RECOMMENDATIONS FOR USE: This article is designed for use in a seated position. NEVER USE WHILE STANDING Remember to maintain a proper back position and breathe correctly. Exercise at your own pace and do not overload. Consult your doctor before undergoing exercise programmes. Check that the bottom bracket is firmly seated on a flat, sturdy surface. If necessary, place a rubber mat to reduce the possibility of slippage. Make sure that there is enough free space around you (approx. 1 metre) when exercising. Wear suitable clothing and footwear for exercise, avoiding loose or baggy clothing that can get caught when pedalling.