The Hill Bill impresses with its thoughtful geometry, ergonomic components, and wonderfully low weight. Combined with the disc brakes and very lightweight tires, it is the perfect bike for the first trail adventures. Additionally, both the 24" and 26" models are equipped with a truly child-friendly suspension fork. The Hill Bill for growing kids. Like all our Hill Bills, the 24" model features a very compact frame that can be ridden much earlier than conventional 24" mountain bikes. The concept aims to benefit from larger wheels and the safety they provide as early as possible. This allows for easy navigation over roots and rocks, thanks in part to the adjustable air suspension fork.