Origin8 5-bolt USA Made, BMX standard 110-bolt BMX pattern chainrings are 5-millimeters thick. They’re compatible with 3/32” and 1/8” chains. Also fits 130mm crank spiders when using the outer holes
Size 38-48T. Black or silver only. See MCS or Profile for other available colors.
Size 38-48T. Black or silver only. See MCS or Profile for other available colors.