• Machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame
• No more creaking, smoother operation, longer bearing life, and really quick bearing replacement
•...
• Adapts FSA O24mm spindle Mega Exo Alloy cranksets, as well as Shimano HollowTech II cranksets into 386EVO BB shells with a PF30 bottom bracket already installed
• Aluminum covered in plastic
• 17.5g