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18t Aluminum Hub Sprocket (#25 Chain, 3/8" Hex Bore)
Sprockets are profiled wheels with teeth that mesh with chain to transfer motion.
VEXpro Sprockets are custom manufactured out of high strength aluminum, black anodized for superior performance.
•Number of teeth laser engraved on each sprocket
•Hub sprockets are 7075-T6 aluminum
•Compatible with either #25 or #25H Roller Chain
Note: Image is of sprocket with 22t