Raleigh Mission 20inch Dual Suspension Mountain Bike - Boys. This Raleigh Mission 20 inch boys' bike has six gears, dual suspension and V-type brakes for a smooth, comfortable ride. The strong, durable frame will allow your child to get confidence on a bike and have hours of outdoor fun. Silver steel frame. 6 gears with Twist grip shifters. Shimano gears. Front V-type and rear V-type brakes. Dual suspension. Weight when fully assembled 14kg. 45cm / 18 inch frame size. 50cm / 20 inch wheel size. Suitable for 51 to 60cm / 20 to 24 inch inside leg measurement. Suitable for ages 7 years and over. Mountain bike style tyres. Adjustable handlebar height. Adjustable seat height. General information: Some assembly required to fit front wheel, adjust brakes, fit pedals, saddle and handlebars. Tools and instructions included. Manufacturer's 5 year frame and fork guarantee. WARNING(S): Not suitable for children under 3 years old. To be used under the direct supervision of an adult. Protective equipment (helmet, knee pads and elbow pads) should be worn, not to be used in traffic. Additional Information SIZING GUIDE. Check your inside leg measurement to find the correct frame size to suit your needs. (Inside leg is measured from the crotch to the ground - not trouser length).