Fsa bb 1000 gamma drive megaexo bottom bracket 68mm
The fsa bb 1000 gamma megaexo bottom bracket is designed to fit fsas megaexo 19mm diameter chromoly spindle cranksets the bb 1000 has forged and machined alloy with external cartridge bearings the bearings themselves are made from chrome steel and the bb 1000 is only compatible with gamma 19mm spindle aluminium cranks