Extend Your Wheelbase with Precision and StyleOur Alumi-Pro swingarms are computer designed and hand-crafted for an unrivaled fit and finish. Race-proven and designed to withstand the horsepower generated by today’s high-performance machines, they feature extruded box mainframes with angle and/or external hoop supports (depending upon length/application) for rigidity and weight reduction. Our swingarms are the best choice to extend your bike’s wheelbase from a mild 2 inches to a drag race-ready 8 inches over stock; we find this is the optimum range for 80% of all street/sportbike drag race applications. Custom lengths up to 20“ over stock available – call for details.
These swingarms are true bolt-on with no frame modifications required and include all necessary bearings, mounting hardware, brake arm, and billet chain guard. Brock’s Performance Window Links™ are suggested for the ultimate in chassis height adjustment (sold separately.)
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