Colony exon flatland bmx stem colonys exon flatland stem is stronger and lighter than 6061 t6 stems its super lightweight yet simple design is compatible with colony gyro plates features 7075 t6 cnc machined alloy stronger lighter than 6061t6 stems super lightweight yet simple design 35 mm reach removable gyro plate available separately which fits all colony stems buy colony components from chain reaction cycles the worlds largest online bike store