BikeMaster Tools

This heavy duty breaker covers the gamut, from 420 to 620 chains - Comes with 2 hardened pins in 3.5mm and 4.8mm - It is compact and fits anywhere due to the folding handle - With its 2 stage design, it clamps down on the chain first to guide the pin precisely onto the head of the rivet - Super strong forged tool steel construction - Cut your own chain for the perfect length -