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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.

Includes Box One™ Stem Lock.



  • Standard Size Fork for Larger-Sized Racers
  • 1-1/8 Inch 7000 Series Aluminum Steerer Tube
  • Internal Butterfly Steerer Tube and Fork Crown Interface
  • 10mm Standard Dropouts
  • Cold-Forged and Bonded Dropouts



  • 20 Inch
  • Material: High Modulus Unidirectional Carbon Fiber Construction
  • Steerer Material: 7000 Series Aluminum
  • Finish: High Gloss Black
  • Offset: 32mm
  • Steerer Tube: 1-1/8 Inch
  • Weight: 527g/18.6oz

Box One XL Pro Lite 20" 10mm Carbon Black Fork

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