The Rocket Tag-a-long Hitcher is a great way to get your kids active and adventuring with you whilst still being close by and safe. The frame is manufactured from Hi-tensile steel for maximum durability, with steel BMX style handlebars. Alloy 32 hole rims with steel hubs provides a sturdy base while rolling on 20 x 1.75 black tyres. Seat post and clamp; 27.2mm steel. Suitable for ages approx. 4 9yrs old* Height depending