Radical street geometry with ultra short chain stays, BMX-style 110x14mm rear axle spacing, a super low integrated Pivotal saddle mount, modified seatstays, Spanish BB, integrated headset (45/45 degree) and removable U-brake mount Custom butted 4130 cromoly, the only NS model approved for use with pegs Fits up to a 32t chainwheel depending on crank/BB/chainline used Actual TT 21.5", effective TT 22.5" (26"), headtube is 4.5" long Head/seat angles reference a bike set up with 485mm axle to crown fork (100mm) Offered in either 24" or 26" size, for use with rigid forks (420-440mm axle to crown race) or suspension forks (60-100mm), 2.2" max tire size. 5.1/5.2 lbs (24/26")