Full suspension mountain bike with 27.5” wheels, hydraulic brakes, Shimano XT group set and fox suspension. *reposted since first buyer decided it would not work for their child. No issues. My daughter is right around 5’ tall and this fit her great. Link to Trek’s archived data for this model: https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-8-gen-5/p/33000/