Colony bio mech bmx barscolonys bio mech bmx handlebars are constructed from full heat treated multi butted 4130 crmo tubing and form part of the anthony napolitan signature range featuresfull heat treated multi butted 4130 crmo tubinganthony napolitan signature bars22 2mm crossbar tubingrise 89width 29 0back sweep 10 5up sweep 20weight 895gbuycolony components from chain reaction cycles the worlds largest online bike store