Urethane drive band (o-ring)
A replacement or spare band for the little drive wheel, cast from durable urethane. Fits all standard speed Pocket Wheels, but not the older high-speed model.
Earlier batches were lighter yellow or amber, my current stock is light brown and dark brown. These are not the hardware store black buna-rubber o-rings, despite being fairly dark in color they’re visibly brown.
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