This is an optional Schelle Racing Nova 48 Pitch Spur Gear. Nova spur gears are made in the USA from a custom blend material to deliver maximum strength and minimal noise. Nova gears are moisture equalized before packaging to make them strong and quiet and are available in a variety of tooth count options to fine tune the gear ratio of your model. Features: Nova gears roll smoothly because of their involute tooth profile which prevents the teeth from dragging as they roll. Nova gears are center point injected for uniform thickness and balance resulting in a true-spinning spur gear. Nova Gears are marked with the number of teeth on the outer edge. Available in 66, 69, 72, 75, 78, 81, and 84 tooth 48 pitch configurations
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