16t Aluminum Hub Sprocket (#25 Chain, 1/2" ID)
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.
•Hub sprockets are 7075-T6 aluminum•Number of teeth laser engraved on each sprocket•Compatible with either #25 or #25H Roller Chain
1/2" round ID sprockets have 1/8" keyway.