Kink mid bottom bracketkink bmx products are well known in the bmx bike industry kink components are durable designed to a high standard and made to last with reliable kink items on your bike you are sure to perform features weight 1417g5 0oz 22mm material cones and spacers machined from 6061 aluminium includes 1mm 2mm 3mm and 4mm adjustment washers washers can be used inside and outside of bottom bracket for perfect chain alignment and bearing spacingbuykink componentsfrom chain