1.rear shock absorber for motorcycle with air cell 2. high quality and reasonable price. 1.i FL-MTCQN-00412.ze 320mm,upper dia:12*20mm,down dia:10*20mm,spring:7mm3.material:steel,alumina4.packing:1set/inner box,10set/ctn,nutral packing5.certification:ISO9000-2001 FL-MTCQN- shock