Box One X4 Pro Carbon Fork (Black) (3/8") (Pro 20") (1-1/8")

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Box One X4 Pro Carbon Fork (Black) (3/8") (Pro 20") (1-1/8")

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Price: $379.99 (Save 10%)
Sale: $341.99

Axle Size | Fork Size | Steerer Size:

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Box One X4 Pro Carbon Fork Description:

The Box One X4 Pro Carbon Fork is built for BMX race riders seeking maximum front-end stiffness and control without excess weight. Utilizing Box’s Oversized Technology, this fork strategically reinforces high-stress areas to improve steering precision and responsiveness. A high-modulus carbon fiber leg construction paired with a 7075-T6 aluminum steerer creates a strong, race-ready platform ideal for larger riders and high-power race situations.


Features:

  • Oversized Technology enhances stiffness and steering response
  • High-modulus unidirectional carbon fiber legs for strength and weight savings
  • 7075-T6 aluminum 1-1/8" steerer tube for increased durability
  • Cold-forged 10mm dropouts compatible with standard hubs
  • Internal butterfly reinforcement at crown/steerer interface
  • Designed for larger riders and high-load race conditions

Weight Limit: 115kg (253 lbs) with limitations as per Category 2 of EN 16054:2012 Standard


Specifications:

  • Material: Carbon Fiber
  • Wheel Size: Pro 20" & Pro Cruiser 24"
  • Axle Type: 3/8" (10mm)
  • Offset: 32mm
  • Steer Tube Diameter: 1-1/8" Straight
  • Steerer Tube Length: -
  • Height (Axle to Crown): 303mm
  • Color: Black
  • 20" Weight: 19.9 oz (565g)
  • 24" Weight: 20.3 oz (575g)
Find the right tools here to install your new fork.

 

This product was added to our catalog on April 27, 2026

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