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HSR #ACR-038 Brass Crown Gear Set (4)
The Hobby Slot Racing (HSR) brass crown gear set comes with four crown gears (24T, 25T, 26T, 27T) and four M2 set screws. The number of teeth is molded on the backside of each gear. As a guide: less crown gear teeth = more speed, & more crown gear teeth = better acceleration. Fits 2.38 mm (3/32") diameter axles including Avant Slot and SCX slot cars.
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