[REPLACEMENT FOR]Polaris Outlaw 90||Coolster 125cc Youth ATV||212cc Mini Bike||110cc 125cc 140cc Dirt Pit Bike Chinese ATV 4 Wheeler; [SIZE]Mounting hole diameter:15mm/0.59″;(As the picture shows) [EASY TO INSTALL]Chain adjust tool, effcient to prevent the chain fall for flabby that improve the safety of driving abrasion resistant and durable, greatly improving the tire’s inadequacies; [NOTE]Please verify model number and size prior to ordering to ensure this is the correct part; [CUSTOMER SERVICE]Always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order;Be happy Online in your time. ABOUT DIRECT US has been engaged in Automotive for more than 10 years. With over 200 staff,also we have rich experience and excellent product quality. The main products are recoil pull start,chain master link,carburetor,hand brake lever,ignition coil,intake gasket,sprocket,hand puller,rearview mirror and so on. Each month