The Orbit ITA headset is designed to fit into a zero stack (44mm ID/50mm OD) head tube, but also to allow the use of a tapered steerer fork. Available in Black only.
1.5in / 1-1/8in, 36 degrees/ 45 degrees ACB
Fits 1-1/8in head tube and 1-1/8in to 1.5in tapered fork