The Indigo Shimmer bike comes with a 6061 lightweight alloy frame, front suspension forks and 6 speed Shimano revoshift gears to fuel your childs sense of adventure. Help them take cycling to the next level - the shimmer bike features sophisticated components for a bike which functions like an adult cycle. Alloy frame. 6 gears with Shimano shifters. Shimano revoshift gears. Front V-type and rear V-type brakes. Front suspension. Weight when fully assembled 12.3kg. 11 inch frame size. 20 inch wheel size. Inside leg 19-22 inches. Suregrip MTB tyres. Equipped with a junior specific and levers that are specifically sized for childrens hands. Suitable for ages 6 year and over. Minimal assembly. WARNING(S): Not suitable for children under 3 years old.