Butted 4130 CrMo Freeride hardtail with slack angles and lots of standover room Adjustable/sliding 10x135mm vertical dropouts allow running gears or singlespeed Actual TT 23.0", effective TT 24.0" (16.0" frame fits like a 17.5") Headtube is 4.3" long (standard 1-1/8" headset) Adjustable caliper angle 51mm International Standard disc brake mount (185mm max) Head/seat angles reference a bike set up with 545mm axle to crown fork (160mm) Threaded bottom bracket with ISCG-05 mounts Recommended for use with 120-160mm travel forks, 26" wheels, 2.6" tire max. 6.0 lbs