The premium replacement stanchion for 2019 Fox 40 forks, featuring the ultra-slick Kashima coating to restore smooth suspension travel and factory performance.

Best Use

• Suspension Repair: Ideal for replacing scratched, dented, or worn upper tubes on downhill racing forks.
• Performance Restoration: Perfect for riders looking to eliminate seal friction caused by stanchion surface damage.
• Professional Service: The correct technical part for a full 2019 Fox 40 chassis overhaul.

Pro Setup Layout

Designed as a technical repair component for dual-crown downhill forks. This tube is universal and can be installed on either the Air/Coil spring side or the Damper side of the fork crown. During installation, ensure the tube is seated to the exact factory torque specifications in the triple clamps. It is highly recommended to install new dust wipers and bushings simultaneously to ensure the new Kashima surface is not damaged by old debris.

What This Product Does

This upper tube acts as the sliding surface for your fork's lower legs. The genuine Kashima Coat provides a distinctive gold finish that is harder and smoother than standard anodizing, significantly reducing stiction (static friction) and increasing the sensitivity of your suspension over small bumps.

Compatibility Check

This part works IF:

• Your Fork: Is a FOX 40 Factory Series from the 2019 model year.
• Your Wheel Size: Is specifically 29 inches (tubes for 27.5-inch forks may have different internal butting or lengths).
• Internal Specs: Fits both butted Air/Coil and Damper side configurations with dimpled internals.

This part is NOT for:

• FOX 36, 38, or any single-crown forks.
• Model years significantly older or newer than 2019 without verifying specific FOX part cross-compatibility.
• 27.5-inch wheel diameter Fox 40 models.

Benefits

• Kashima Coating: Reduces friction and improves wear resistance, keeping the suspension feeling "supple" for longer intervals.
• Butted Construction: Engineered with variable wall thickness to maximize strength in high-stress areas while shedding unnecessary weight.
• Factory Precision: Ensures perfect tolerances for seal fitment, preventing oil leaks and air pressure loss.
• Versatile Application: Can be used to repair either the left or right side of the fork assembly.

Decision Shortcut

If you have a damaged stanchion on your 2019 Fox 40 29er and want to restore its original world-class performance without replacing the entire fork, this genuine Factory Kashima tube is the exact required part.

Technical Reality Check

This is a Internal Service Part. Replacing an upper tube requires specialized tools, including a fork-specific torque wrench and suspension oil. It is not a "bolt-on" accessory; if you are not experienced with dual-crown fork teardowns, this repair should be performed by a certified suspension technician to avoid compromising the safety of the fork chassis.

Technical Specs