For use with low-stack, internal headset designs
Stack Height 16.9+2.9=19.8mm
Headtube: 1-1/8 to 1-1.2" Tapered
Steertube (fork): 1-1/8 to 1-1/2" Tapered
Weight: 144 g.
Bearings designed to fit directly into head tube (frame specific). 36/45° angular contact bearings and 7075/T6 alloy crown race for smooth, friction-free movement. Aluminum top cap included.