COLUMBUS Compass 1-1/8" Straight Carbon Headset & Bearing Kit

Head Set Standard: IS42-28.6/IS42-30
1-1/8” Upper and lower
45° Stainles Steel ACB
Carbon Gap Cap
Upper Stack Height 16.1mm
Lower Stack Height 0.7mm
Head Tube O.D. Ø 46mm
Head Tube I.D. Ø 41.2
Product Code: ZV7STEERKITH

COLUMBUS Tubi is a manufacturer of steel tubing used in bicycle frames. Located in Settala, in the Province of Milan. The company was founded in 1919 by A.L. Colombo and was taken over by Colombo's youngest son, Antonio, in 1977.