The Box One XL Fork has the optimal balance of weight, strength and stiffness. Professional fork builders place every unidirectional carbon fiber strategically to optimize weight, strength, and stiffness. Designed with larger-sized racers in mind, the Box One XL Fork features a 7000 series aluminum 1-1/8 inch steerer tube and standard 10mm cold-forged bonded dropouts.
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).