FSA Part Number 200-1867 (Gossamer & Energy Mega-Exo alloy cranks)
MegaExo Road bottom bracket for FSA Pinch Bolt Gossamer, Gossamer Pro and Energy MegaExo Road cranksets. FSA Pinch Bolt cranks are equipped with a mounting bolt on the left crank arm.
Composite center sleeve with double o-ring seals. External oversized cartridge bearings. Forged and CNC-machined external bearing cups.