Box One X4 Pro Carbon 1 1/8” Alloy Steerer Fork

Note: Ships in 1-2 business days. Delivery time depends on the shipping method chosen at checkout.

All Box One forks are engineered and crafted using Oversized Technology, with carbon moved from low-stress areas to high-load zones for superior steering stiffness, heightened responsiveness, and reduced latency. This particular model is tailored for larger-sized racers, featuring a lightweight 1-1/8 inch 7000 series aluminum steerer tube and 10mm cold-forged dropouts.

Features:

• 7075-T6 Aluminum 1-⅛" Larger Diameter Steerer Tube to Accommodate Larger-Sized Racers
• Designed for 10mm Axle Conventional Hubs
• Internal Butterfly for Added Durability at Steerer Tube and Fork Crown Interface

Specifications:

• Material: Legs: High Modulus Unidirectional Carbon Fiber; Steerer: 7075-T6 Aluminum; Butterfly & Dropouts: 6061-T6 Aluminum
• Process: Legs: Vacuum Mold; Steerer: Extruded & Butted; Butterfly & Dropouts: Cold-Forged
• Hardware: Stem Lock
• Finish: Gloss Black with White Decals
• Compatibility/Size: Height: 20" / 24"; Steerer: 1-1/8" Straight; Offset: 32mm; Dropouts: 10mm
• Height: Axle to Crown: 20" 303mm / 24" 354mm
• Weight: 20": 565g / 19.9oz; 24": 575g / 20.3oz
• Please note: weight may vary by +/- 5% due to carbon manufacturing processes.
• Weight Limit: 115kg (253 lbs)