Controltech Titanium Bicycle Bike Integrated Taper Headset 1 1/8"-1.5" IS42/IS52

Controltech Titanium Bicycle Bike Integrated Taper Headset    S.H.I.S CODE : IS42/28.6│IS52/40   Specification:   Size:1 1/8"-1 1/2", 45°/ 45° ACB , 1-1/8 Upper ,1-1/2" Bottom   Material:Titanium cups w/titanium top cap   Stack Height:12+4= 16mm   Weight:approx.133g/4.75oz   Notice:It's better to measure the SHIS of your frame before you buy.