BSD Substance Mid BBPolished Show Options and Buy Regular price $24.99 Reg: $0.00 Save: $-24.99 24mm Polished 22mm Polished 19mm Polished More Options » Buy Online - + You will be redirected to Full Factory Marketplace to complete your purchase. Added! View Cart » Buy Local Find a Dealer Local inventory is different from what's available online. Please check with your local dealer before making an online purchase. If we have it in stock, that means they can too! Substance bottom bracket kits include 2 Sealed bearings, CNC'd spacers, tube spacer, sprocket bolt and all the spacers you need for adjustment.