Classic Slopestyle/Dirt Jump frame now accepts an Integrated headset (45/45 degree) Proprietary offset butted 4130 Japanese CrMo tubes with integrated gussets Flush hardware mounts for a clean look and updated seatstay/chainstay bridges for greater tire clearance Actual TT 22.5", effective TT 23.5", headtube is 4.5" long Horizontal 10x135mm OL dropouts, removeable cable guides, integrated seat clamp Adjustable caliper angle 51mm International Standard disc brake mount (185mm max) Fits up to a 32t chainwheel depending on crank/BB/chainline used Head/seat angles reference a bike set up with with 485mm axle to crown fork (100mm) Recommended for use with 80-140mm travel forks, 26" wheels, 2.4" tire max. 5.5 lbs