TheStolen Minimalist Mid Bottom Bracket Kitfeatures visible cone spacers that are made up with a slim aluminum core of whatever color you choose and an outside aluminum spacer with several cut outs andreveals that colored core.Itprovides something as seemingly simple as a bottom bracket a very unique look. The left and right side cones are identical, allowing for an easy set up using the provided alloy spacers.Includestwo precision sealed bottom bracket bearings.