Trek Precaliber 24" [Upcycled]This model is ideal for young riders transitioning from training wheels, offering simplicity and ease of use. Heavily used, but serviced to the best possible condition, these bikes have been given a new lease of life that allows them to be ridden once again through the little one's growing years. Size 24" Specifications: Frame: Alpha Silver Aluminum with rack and kickstand mountsFork: Steel, 24", threadless 1 1 8" steererCrank: ProWheel alloy, 32T