Product Review

Primo Headsets, Complete Sealed 45/45 Campy spec cartridge bearings. Laser-etched Primo logos. Aluminum top cap with 10mm stack height. Internal O-ring for a tight fit. Color: Black. Weight: 68. Crown Race: 30. Bearing Type: Cartridge. Defined Color: Black. S.H.I.S Upper: IS42. S.H.I.S Lower: IS42. S.H.I.S. Stem Clamp Diameter: 28.6.