DID 520 ATV Chain - X RingDesigned exclusively for the severe demands of ATV racing. Type X-ring. Utilizes a special steel alloy to minimize heat-cracking in cold weather, due to severe heating and cooling during competition. Tensile strength of 8,430 lb Wear life 3250 7% weight savings, 10% strengthening and 8% longer wear resistance Low coefficient of friction and high wear resistance Utmost resistance to stretching under load Increased fatigue strength of chain links More durable than your factory chain Made using 7 Series aluminum alloy Excellent combination of light weight and strength Designed to increase the appearance of your ATV Fits: Honda TRX300EX SPORTRAX 2000-2008 TRX400EX 2WD SPORTRAX 2002-2007 TRX400X 2013-2014 TRX450ER 2WD 2007-2013 TRX450R 2WD 2004-2006 Yamaha YFZ350 BANSHEE 1987-2008