Full Speed Ahead MegaExo Stainless Bottom Bracket Adapter for 386EVO Frames Capacity-146 Cu In (2.4L) Any frame that uses ZS

Any frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter

7000 series aluminum provides strength and durability

hard waxes

Compatible with all Wolf Tooth headsets that have 1 1/2" lower headset cups

Full Speed Ahead MegaExo Stainless Bottom Bracket Adapter for 386EVO Frames Capacity-146 Cu In (2.4L) Any frame that uses ZSFull Speed Ahead MegaExo Stainless Bottom Bracket Adapter for 386EVO Frames. FSA (Full Speed Ahead) 386 EVO Bottom Bracket AdaptorsThis is a pair of spacers that adapts a 386 EVO crankset to a 68mm BB30 or PF30 frame; use in combination with the standard bottom bracket for your chosen frame