REPLACEMENT FOR 2 Stroke 47cc 49cc 50cc Pocket Bike Mini Bike Dirt Pit Bike ATV 4 Wheeler; SIZE Length (folded in half): 432mm/17″,Inner link (per link): 5.23mm/0.21″; Outer link (per link):7.5mm/0.3″; EASY TO INSTALL Heavy quality and 100% new chain master links,good fit,easy to install.Just put these in your pocket when out riding the trails; 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 will list a lot New products.We also accept customization of products if you buy enough.Please follow closely with our store. ABOUT BRAND We have registered the brand 2.0 successfully by Amazon Brand: WOOSTAR Registration Number: 5364654 FEATURE >Package Included : 138 x 25 Chain Master Links;e Replacement for: 2 Stroke 47cc 49cc 50cc Pocket Bike Mini Bike Dirt Pit Bike ATV 4 Wheeler Tip : Please verify model number and size prior to ordering to ensure this is the correct part for your engine Customer Services : Message us for further assistance if have any question or problem with the product.We will be very glad that can help you