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 personalise your bike Easy to assemble and add trike kit The Trybike Steel Vintage has been designed and developed in the Netherlands by Co and 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.