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High-tensile strength construction prevents premature stretching and chain fatigue
Sprocket teeth are induction hardened to provide a tough outer shell while maintaining a ductile core
Contrast white colourway offers a sharp look that complements modern race-inspired liveries
They are extensively used by many riders in the British Superbike Championship (amongst others) and race schools worldwide
The Z-Ring flexes when assembled
BOYESEN Power X Wing Stock Item:POWER X-WING YZ125 05-21 Boyesen High-tensile strength construction prevents prematureBoyesen's Powerwing is the perfect air delivery enhancement upgrade used to increase horsepower and torque by maximizing your intake system. The Powerwing's unique design maximizes airflow to increase horsepower, torque and responsiveness, without restrictions to your existing carburetor. We recommend all motorcycle parts are fitted and tested by qualified professionals. If you are unsure about the part choice for your bike, please contact us before
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