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THE SHADOW CONSPIRACY "CRANIUM" BMX BICYCLE SPROCKET - size 25t. Each component is unique and one of a kind in terms of the placement and amount of color. Stronger and stiffer 7075 alloy is super light and extra strong! 1/8” flat design teeth. 5mm thick 7075-T6 alloy. 15/16” bore (24mm compatible). Includes 19mm & 22mm adaptors. Weight: 3.3 oz.