The specialized girls 6 speed hotrock 20 kids bike 2017 is the perfect choice while your child is still growing the girl39s 6 speed hotrock 20 offers plenty of gear range to tackle the neighbourhood hills and enough to ride beginner39s trails confidently of course it also features a light weight yet durable 20 inch a1 premium aluminium frame that39s designed to take a hit while they find their legs on the pump track while chatter and bumps are handled by the coil sprung sr s