Motorized bike owners, this 2-pack of spring loaded chain tensioners will solve your chain issues for good! Specifically designed for 49cc, 66cc, and 80cc 2-stroke engines on motorized bicycles. The spring-loaded design automatically keeps your chain at the perfect tension, preventing those annoying chain pops and snaps that can ruin your ride. You get two black tensioners in the package, so you've got a spare or can set up multiple bikes. Works with both center mount and rear mount chain drive systems for gas motorized bicycle kits. Installation is pretty straightforward - just mount it in line with your chain and let the spring do its magic. No more constantly adjusting your chain tension manually or worrying about it coming loose mid-ride. The build quality is solid and they're built to handle the vibrations and demands of motorized bike use. Much better than those basic fixed tensioners that come with most kits. Before ordering, just double-check that it matches your specific engine setup. These tensioners make your motorized bike way more reliable and enjoyable to ride. Seriously, if you're tired of chain problems, these are totally worth it!
