420 Chain Master Link for 90cc–125cc Pit Bike, XR/CRF, & ATV

Product Overview

The 420 Standard Master Link is a high-reliability connecting link designed for the most common chain size in the pit bike and small ATV world. Whether you are performing a routine chain replacement or an emergency trailside fix, this clip-style link provides a secure, tool-free connection. Engineered for the specific demands of off-road riding, it offers stable characteristics that ensure your chain stays together under heavy acceleration and through rough terrain.

Product Compatibility

Specifications

Key Features

• Universal 420 Fitment: Designed to meet standard 420-pitch specifications, making it a perfect match for both Japanese (XR/CRF) and Chinese import drivetrains.
• Tool-Free Installation: Features a user-friendly spring-clip design that allows for rapid installation and removal, saving you time during maintenance or urgent repairs.
• Stable Performance Characteristics: Manufactured to ensure high reliability, this link maintains consistent chain tension and reduces the risk of drivetrain failure during high-speed operation.
• Hardened Steel Construction: Built to withstand the torque and abrasive grit found in off-road environments, effectively resisting stretching and surface wear.
• Perfect for DIY Maintenance: An essential component for any rider’s toolkit, facilitating easy chain length adjustments and cleaning without the need for a professional mechanic.