When Trybike is converted to a tricycle it is suitable from as early as 15 months to approximately 2.5 years When Trybike is converted to a bicycle it is suitable from 2 years to approximately 6 years  Seat height is adjustable from 30cm to 45cm  5.2kg as a bicycle. 6.3kg as a tricycle  Use feet as brakes  12 inch spoked steel wheels with nylon bushings, sealed smooth cartridge ball bearings and extra wide rubber inflatable tyres  No limiter for more manoeuvrability in three-wheel-mode  Comes with a set of vinyl stickers for you to personlise your bike  Easy to assemble and add trike kit  The Trybike Steel Vintage has been designed and developed in the Netherlands by Co&Co after many years of experience with balance bikes. They have applied their experience and selected the best materials, created the most durable construction and added stunning details as well as a quality finish. This Trybike is the first 2-in-1 balance bike made of steel! The bike can be converted from a tricycle into a bicycle with a few simple steps. The perfect all-in-1 bike to help your child transition from crawling, to walking, to balancing, to riding.  Give your Trybike your own look! Each bike comes with sticker sheets with loads of designs to choose from so you can customise your Trybike! Or even create a retro feel by adding a classic wicker basket to the front