US PRO 6821 Heavy-Duty Motorcycle Chain Breaker
Heavy-duty manual motorcycle chain breaker for splitting drive chains in sizes 420, 428, 520, 525, 528 and 530. Compact, workshop-ready tool for shortening or removing chains before fitting a new joining link.
Supported Payment Types
US PRO 3088 200 ml Oil & Brake Fluid Inspection / Transfer Syringe
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Make chain replacement and sizing straightforward with the US PRO 6821 Heavy-Duty Motorcycle Chain Breaker. Designed to drive out chain pins cleanly, it covers the common motorcycle chain sizes 420/428/520/525/528/530, so one tool handles most road and off-road bikes. Use it to shorten a new chain to length or to remove a worn chain prior to installing the manufacturer-specified connecting link. The robust screw-type action gives controlled force for reliable results at the bench or trackside.
Key details
- Application: breaking/removing chain pins (not a riveting tool)
- Chain sizes: 420, 428, 520, 525, 528, 530
- Operation: manual screw action
- Brand: US PRO • Code: 6821
Safety note: Wear eye protection, support the chain squarely, and follow your motorcycle manufacturer’s service procedure when breaking and rejoining chains.
