Subrosa pro Simone Barraco wanted a sprocket that was strong enough to handle his creative, and constant abuse. The 8mm thick Barcelona sprocket allows for it to take hit after hit without bending or deforming, and also fits the Shadow Interlock Supreme 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%; }