<b>Description:</b><br>Chain Tensioner Spring Loaded For 49cc 66cc 80cc Engine Motorized Bike<br> <b>Package Include:</b><br> 1 x Chain Tensioner Kit<br> Spring loaded chain tensioner that keeps chain from popping and snapping. <br> Can be used for all chain drive applications including center mount and rear mount chain drive for gas motorized bicycle plan kits.<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.