2017 black trek superfly for sale. This is an amazing bike to start the kids on and build the love of riding. The superfly comes in under 20lbs which is important when the kid riding it doesn't weigh much more. This bike is in great shape, has been well maintained at Trek and never dropped. It fits kids 5-8. The specs are here https://archive.trekbikes.com/kr/en/2017/Trek/superfly_20#/kr/en/2017/Trek/superfly_20/details