TOP 3 MOST VERSATILE BMX FOR KIDS - It will suit both advanced riders and beginners. It combines quality construction and pretty design along with the customization of brakes and seat height. The drivetrain of the L20 includes American loose ball bottom brackets - and it can cope with the different types of terrain with the 170mm one-piece forged steel cranks with a 25T alloy chainring. The aluminum single wall 36H rims have a 9T cog sealed bearing cassette rear hub and a 3/8" female axle up front is the first thing to keep you safe on the road. PROS🟢 A good choice for beginner riders The height can fit both kids and adults A sealed-bearing cassette rear hub CONS🔴 Not the easiest to assemble