The last thing on your mind should be the reliability of the basic mechanics of your bike or ATV. These D.I.D Racing Chain standard non-O-ring chains were designed with quality in mind. These chains feature low-friction and long-wearing designs and are manufactured from a durable steel alloy. The chains will provide the extra strength you require to aggressively attack the trails or track. Plus, D.I.D Racing Chain standard non-O-ring chains come in different lengths and sizes to fulfill your requirements. Simply stated, these reliable D.I.D Racing Chain standard non-O-ring chains are the perfect combination of form, fit, and function.