BSD WZA Frame Toptube lengths :20.6" and 21.1" Headtube angle :75 degrees Seattube angle :71 degrees Rear end length :13.55" BB height : 11.5" Standover Height : 8.3" Weight 4.8 lbs External gussets on TT and DT. Tiny dropouts, designed to fit peg and hubguard with no overhang. Extra wide rear end for fat tyres. Tapered seat and chainstays. Completely brakeless. Internally relieved headtube. Built in seatclamp. Mid bottom bracket..