This is a replacement 17 Tooth, 48 Pitch Pinion Gear from Robinson Racing Products. The 48 Pitch Hard Nickel Plated Alloy steel pinions are precision cut gears with an extremely hard coating that makes them last. This pinion has a modified opening to accomodate for thicker Hacker Brushless motor shafts. The pinions are stamped with tooth number and include one 5-40 set screw.
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