420 - 530 Chain Breaker Tool

This 420–530 chain breaker tool is a must-have for any mini bike builder or shop. Designed to safely press out chain pins, it makes shortening and fitting chains quick and controlled without damaging side plates or rollers. Works with common 420, 428, 520, and 530 chains found on CT70, Z50, ATC70, pit bike, and big-motor swap builds.

A simple, reliable tool that belongs in every toolbox—whether you’re setting final chain length on a fresh build or making gearing changes in the shop.

Features:

• Compatible with 420–530 roller chains
• Presses out chain pins cleanly and safely
• Ideal for shortening chains during install
• Durable steel construction for repeated use
• Essential tool for mini bike, pit bike, and shop setups