Box One XL Fork
Weight Limit: Meets or exceeds EN Racing 14765 Standard Category 2
Note: Use of a star nut voids the warranty for this product.
No. You must use the stem lock provided with the fork, or an equivalent expander plug (i.e. Box One Carbon Headset). Use of a star nut is prohibited and voids the warranty for this product.
To determine compatibility, first examine the head tube of your frame. X5 forks are only compatible with tapered head tubes (see below).