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Sprockets

Pro-tek rear sprockets are completely constructed on precision CNC machines from 7075 T6 aerospace quality aluminum.  We do not gear hob the teeth.  This maintains concentricity with the hub diameter since both are cut at the same time. The teeth are machined to above the latest industry standards creating an accurate tooth profile that fits precisely on the chain rollers. This insures maximum chain and sprocket longevity and a more efficient power transmission. We then increase durability by brite-dip anodizing each sprocket in a black or clear finish for protection from corrosion.

Our front sprockets are also completely CNC machined to exact tolerances from 4140 nickel-chromoly steel resulting in a quality product.None of our front sprockets are gear hobbed either, but we do lighten them with drilled holes to save on rotating mass. Every lb of rotating mass equates to a 4 lb weight reduction. The sprockets are then case hardened to Rc 58-60 and finished with a zinc plating for added durability and protection from corrosion.

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Product Image Item Name Price+
Front Sprockets

Front Sprockets

  Pro-tek front sprockets are also completely CNC machined to exact tolerances from 4140 nickel-chromoly steel resulting in a quality product.None of...
$29.95

... more info

Rear Sprockets

Rear Sprockets

  Pro-tek rear sprockets are completely constructed on precision CNC machines from 7075 T6 aerospace quality aluminum.  We do not gear hob the...
$59.95

... more info


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