Package include: 6sets chain master link<br>Fit 50cc 60cc 66cc 80cc 2 Cycle Motorized Bicycle Bike<br>Net weight:40g<br><br>Dear friend, thank you for choosing our store. <br>Please check the product information, especially the size and models before placing the order. <br>For bulk buying, please contact us by email for more favorable discount. <br>For any questions about products, tracking information or after-sales problems, please DON'T hesitate to contact us by email and we willl give you a quick and satisfactory answer as soon as possible. <br>(There may be a delay in replying to emails during weekends and holidays. Thanks for your understanding.) <br>Any suggestions that can help us improve will be much appreciated.