Schumacher 48 pitch CNC cut spur gears were developed to increase the gear ratio options for 21.5 and 17.5 spec class racing. These are compatible with the Mi3, Mi4 and Mi5 series touring cars, and are available in a variety of tooth count options to fine tune the gear ratio of your model.
| Gear | Effects |
| Larger Spur |
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| Smaller Spur |
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This product was added to our catalog on July 11, 2014















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