WeeBikeShop Saracen Freewheel 12" Aluminum Balance Bike (US Edition) with Air Tires and Brakes - Presented (Age 2-4) Sturdy welded frame and fork are connected with an industry-standard twin bearing headset, to handle any kind of surface trauma, on or off-road. Weight limit? Whats that? Only toys have weight limits! This is a real bike, not a toy! Inflated rubber tires by KENDA are oversized for comfort and paired with alloy spoked wheels with serviceable bearings, giving you complete control of tire pressure and performance to suit riding conditions. Low pressure for wet or off-road surfaces, higher pressure on paved surfaces Super low minimum saddle height of 13" accommodates most 2 year olds and extends to 19" for the tallest of 4 year olds, with a tool-free color-matched WeeBikeShop quick release seat clamp for setting seat height anywhere in between Equipped with an industry standard hand controlled v-brake for effective control and stopping power, making those high speed hill descents and off-road riding super safe and controlled. 80% assembled out of the box, requiring only front wheel and handlebar attachment, using the free tools provided! It takes more time to unpack than to complete the assembly!