
FUNCTIONALITY AT YOUR FINGERTIPS
The BikeMaster 420-630 Chain Breaker Tool is perfect for the toolbox or the fanny pack. With a folding handle that gives it a compact design, the Chain Breaker 420-630 lets you cut your own chain for the perfect length.
Product Features:
- Includes two hardened pins in 3.5mm and 4.8mm.
- Fits chains from 420 through 630.
- The folding handle makes for a compact design.
- Cut your own chain for the perfect length.
- Perfect for the toolbox or fanny pack.
- Manufacturer's lifetime warranty.

Why these Tools are Yammie Approved:
✓ Work Like the Pros! With a mechanic-grade tool that keeps you ready for anything the road will throw at you.
✓ They’re Built to Last! Made with industrial-grade steel and highly durable materials to offer premium quality for exceptional wear resistance that will last a lifetime.
✓ Great Functionality! In an easy-to-store tool, perfect for the toolbox or the fanny pack for easy storage and transport.
✓ Peace of Mind! These tools come with a Lifetime Guarantee – no questions asked!