GT Kids' Grunge 20" Bicycle 2021. The 2021 GT Grunge 20 is a kids bike for the up and coming rider. This model is starting to get some similar features to adult bikes, with an alloy frame designed using the LegitFit system which provides better positioni
The Grunge 12" is the bike where your little one learns to pedal. With 12" wheels and a very easy gear to pedal with, your little pedaller will be having a blast on this snazzy looking bike.
