1,alloy quick release for folding bike 2,material:aluminum 3,color to order 4,each one with a individual polybag 5,M6 alloy quick release for folding bike material:alloy handle and steel boltpacking:each one with a individual polybagspecification:M6QTY:500pcs/ctncarton:34*28*21cmwe are a special factor concentrated in bicycle parts,like brake lever,v-brake,caliper brake,pedals,stem,kickstand, ...