The Shadow Conspiracy “Sabotage” guard sprockets are in stock now in lots of colors. Click HERE to view available color options and to purchase yours now! The Shadow Sabotage guard sprocket is a tribute to an old idea, based on old school sprocket/ guard combos, but with new school tech and materials. The high-impact, low-friction plastic guard is paired with a solid 5mm alloy sprocket by 4 bolts. The ultimate in protection for your sprocket and chain. The spacing between the guard and the teeth fit both Shadow Conspiracy Supreme and Interlock half link chains, which most guards donâ€™t do. 5mm thick 6061-T6 alloy. 15/16â€ bore with 19mm & 22mm adapter. Replaceable plastic guard (replacements sold separately). Weight: 5.3 oz.