1,quick release 2,material:steel 3,color to order 4,competitive price 5,wide application field steel quick release1,material:steel2,packing:each one with individual poly bag2,QTY:500 pcs/ ctn3,carton:34*28*21 CM4,GW:18KGSwe are a special factory concentrated in bicycle parts,like brake lever,caliper brake,v-brake,pedals,quickrelease,clamp.stem,peg,kickstand and so on,our website is www.nbwccl.com ...