Size small, good for someone up to about 5'7". Awesome trail bike, really light and fast on 29" wheels. Very good condition with a few upgrades including: new saddle, new brake pads, cables recently replaced, dropper post, new NukeProof headset, and 2.3" Maxxis Minion DHF front tire. Full Shimano XT drivetrain and brakes, RaceFace crank. Rides flawless and a really good climber, perfect for XC riding. Check out the link to the full specs below.