Top quality headset with Zero stack (Semi-Integrated) Top and Bottom parts. ZS44-ZS49 S.H.I.S type. Cups and top cover made from 2014 aluminium. Bottom cup with integrated 1-1/8" reduction. High quality precision sealed 45/45 bearings with anti-rust titanium coating and special high density grease protecting against water penetration.

Upper cup - ZS44
Upper Bearing - 41x30.15x7mm
Lower cup - ZS49
Lower Bearing - 41.8x30.5x8mm
Fork steerer type - Straight 1.1/8"
Top stack height - 9mm
Bottom stack height - 2.8mm
Weight - 142g