ZERO Motorcycles Sirris F43 XB CMX Tune Front Fork Set Kit SPECIAL ORDER 10002933-01

• Generous wheel travel paired with a specialized CMX tune gives your electric trail bike highly responsive and predictable handling.
• Premium upside down suspension fork features an advanced closed cartridge architecture with two independent sealed dampers for consistent front end support.
• Built with high tensile steel forty-three millimeter stanchions and rugged seamless seventy thousand fifty aluminum outer tubes with type three hard anodizing.
• Fully adjustable external compression and rebound tuning allow you to custom match rider weight and changing trail terrain.
• Symmetrical high flow pistons and dual independent oil circuits separate lubrication from damping to completely eliminate fade during aggressive riding.

Bring true factory-level suspension performance to the front of your electric trail bike with this premium upside-down fork. Tuned specifically for this platform rather than adapted from a generic setup, this advanced front suspension assembly features a highly sophisticated symmetrical closed-cartridge architecture. By separating the lubrication and damping fluids into dual independent oil circuits, it completely eliminates fade and ensures consistent, predictable front-end control no matter how hard or how long you ride on the trails.

This heavy-duty suspension kit delivers smooth, responsive travel backed by high-flow pistons and fully tunable compression and rebound valving. The construction utilizes robust 43mm high-tensile steel stanchions with hard chrome plating, paired with seamless 7050 aluminum outer tubes and forged 6061 aluminum triple clamps—all treated with a type 3 hard anodized coating for maximum durability against off-road debris. Equipped with external adjusters, riders can finely tune their damping properties to perfectly match their terrain, weight, and individual riding style.

Note: This item is dropped shipped from Zero. No international shipping. Not eligible for free shipping.

Model Fitment:

• Fits 2026+ XB Series

May fit other years and models. Please contact us with any questions or specific fitment.