BOSTON SHAKER HAS TWO PARTS: ONE IS STAINLESS STEEL AND THE OTHER IS GLASS, STAINLESS STEEL SHAKER WITH GLASS TOP FITTED WITH RUBBER JOINING GASKET 304 S/S MATERIAL, CAPACITY: 500CC, SS CUP SIZE: DIA 8.5 X 15.8CMH, THICKNESS 0.7MM, GLASS CUP SIZE: DIA 8.5 X 15.8CMH.
CARBON 1-1/8`` INTEGRATED HEADSETS WITH WATER SEAL & CARBON / ALLOY TOP CAP ( TK2852AC ), 55G. OMEGA-C1 CANE CREEK COMPATIBLE FOR HEAD TUBE DIA 45MM. OMEGA-C2 RITCHEY COMPATIBLE FOR HEAD TUBE DIA 46M