Lightweight and durable alloy sprocket from Primo with a bolt on removable & replacable nylon guard. Built for grinds, slides and protecting your chain .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } ###section### Product Specs TYPE: Bolt-On MATERIAL: Alloy & Nylon WEIGHT: 180g