BSD Substance Mid BBBlack Show Options and Buy Regular price $24.99 Reg: $0.00 Save: $-24.99 24mm Black 22mm Black 19mm Black More Options » Buy Online - + 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.