FAST ACE FOR SUR-RON REAR SHOCK AL7005-T6 SHOCK BODY AS WELL AS AL6061-T6 UPPER MOUNT FORGED, CR-MO PISTON POLE, ALLOY STEEL SPRING, NITROGEN CHARGED, OIL SHOCK ABSORBER WITH EXTERNAL PIGGY-BACK RESERVOIR, REBOUND ADJUST 18CLICKS & COMPRESSION 16 CLICKS