Box Two™ Integrated Headsets feature an aluminum top cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, precision bearings. The 1.5-inch headset is designed solely for tapered frames and forks but also includes an adapter which allows you to run a straight 1 1/8-inch fork in a tapered head tube. It has a 45x45 degree upper bearing and a 36x45 degree lower bearing.
Bearing Angle: U: 45° x 45°, L: 36° x 45°
Finish: Anodized w/ laser-etched graphics
Material: 6061-T6 Aluminum
Origin: Designed in USA/Made in Taiwan
SHIS: IS 42/28.6 | IS 52/40 (IS 52/30 w/adapter)
Weight: 101 grams / 3.6 ounces or 109 grams / 3.8 ounces (w/ adapter)