magnesium alloy precision cnc machining Standard: ASTM, AISI, BS, DIN, JIS, NF 100%QC AZ91, AZ31, etc Mountain bike pedal ... Bronze, ADC12, A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, magnesium alloy, AZ31B, 1045 steel, sus304, 45cr, 40cr, 38crsi, etc ... , AZ91, AZ31, ZM5, ZM6, MB8 High end mountain bike pedal, pure cnc machining parts. made from magnesium alloy, AZ31B. Quickly ...