【 24" & 26" TRICYCLE OPTIONS】:24" wheel trike suitable for rider height：4'11" - 5'9", 26" wheel trike suitable for rider height：5'3" - 6'2". 20" wheel suitable for rider height: 4'8" - 5'6", 24" wheel suitable for rider height: 4'11" - 5'10", 26" wheel suitable for rider height: 5'3" - 6'2".