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 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.
- CNC'd Aluminum Bearing Cover
- Aluminum Compression Cap
- Precision Sealed Bearings
- Star- Nut Compression System
- Includes 1.5 Inch Bottom Race
- Includes 1-1/8 Inch Reducer Race for 1-1/8 Inch Steerer Tube
|Bearing Angle||45° x 45°|
|Recommended Torque||1.5 Nm (Compression Cap)|
|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)|
Yes this headset comes with a two crown races allowing for compatibility with both 1-1/8" or 1.5 inch steerer-tubes.
No this headset is ONLY compatible with frames with a tapered integrated headtube. (IS 42/52)
Box recommends using a light de-greaser or denatured alcohol to clean the outside of the headset, and strongly recommends that a pressure washer is NOT pointed towards the headset when cleaning.