Black steel frame. Y-frame style. 18 Shimano thumbshift gears. Front and rear disc brakes Black alloy rims. Mountain bike style tyres. Frame size 45cm (18in). Wheel size 65cm (26in). Suitable for leg measurement 72 to 88cm. For ages 14 years and over. Some assembly required - fit front wheel, saddle, pedals, handlebars and align brakes (tools and instruction).