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Box Two 1.5 Inch Tapered Headset - Box®
Box Two 1.5 Inch Tapered Headset - Box®
Box Two 1.5 Inch Integrated Headset - boxcomponents
Box Two 1.5 Inch Tapered Headset - Box®
Box Two 1.5 Inch Tapered Headset - Box®
Box Two 1.5 Inch Tapered Headset - Box®

Box Two Oversized 1.5 Inch Tapered Headset

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All Box headsets are engineered and crafted using our Oversized Technology. As we follow the load paths down the handlebars, through the stem-to-bar interface, we arrive at the headset focal point. Since any steering stiffness can easily be lost to headset play, we have concentrated our attention on manufacturing tolerances and quality of materials for the bearing, cnc bearing cover, and crown race. Now that this junction is steadfast you can rest assured that your cockpit’s steering stiffness will transfer on to the fork. When combined with Box’s other Oversized components, you’ll experience heightened responsiveness and reduced latency.

Key differences: In this particular model headset we’ve gone to a 1.5” bottom race to fill a tapered head tube. This mates with our oversized X5 carbon fork. Larger and smoother contact areas spread the load effectively and counteract flex.


  • 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°
Material Aluminum
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)


  • Box One X5 Fork
  • Box One X2 Fork
  • Box One XL Fork
  • Frames with an Integrated NON-Tapered Head Tube


    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.