The Unifly Beginner Trainer is the perfect beginner unicycle for kids. Made from steel construction it is strong, but not bulky. Adjustable seat height and double bolted height lock make it suitable for anyone under 135 lbs. Minimum of 23" inseam recommended.. Easy to assemble, it comes with all the tools needed.Available in several vibrant colors.The durable stretch vinyl saddle comes emblazoned with the Unifly logo.Specs:Frame: Sloped shoulders, 18" SteelSaddle: Durable Vinyl with color matching bumpers and the Unifly logo.Wheel: General purpose tread, rubber tube, stainless spokesSeat post: 9.5" (240 mm), Minimum of 23" inseam recommended.Seat post clamp: Double hex bolt aluminum.Not recommended for riders over 135 lbs.