FSA Seal for 1.5" Orbit C-40 Cups NO.12B - Black

FSA Seal for 1.5" Orbit C-40 Cups NO.12B - Black. FSA (Full Speed Ahead) headset seals and O-rings are integral components designed to enhance the durability and performance of bicycle headsets. These seals are engineered to prevent contamination from dirt and moisture especially in rugged or muddy riding conditions.