JM200 series, JM254 JM284. 16 teeth, 73mm diameter gear. 14 spline, 30.8mm ID. 31mm ID seat. 33mm overall height.
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JM200 series, JM254 JM284. 16 teeth, 73mm diameter gear. 14 spline, 30.8mm ID. 31mm ID seat. 33mm overall height.