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 |  |  | K'NEX shop - Classic K'NEX Gears These are the classic K'NEX gears available. All dimensions shown are approximate. These are all new parts - we do not sell used KNEX.
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| 25mm diameter with 14 teeth. Push-fit onto any classic K'NEX rod.
25mm diameter with 14 teeth.
25mm diameter with 14 teeth.
25mm diameter with 14 teeth. Fits onto the end of a classic K'NEX rod.
55mm diameter with 34 teeth.
55mm diameter with 34 teeth.
130mm diameter with 82 teeth, with an extra hole near the rim as shown.
130mm diameter, providing multiple gear tracks - 82 teeth on the outer ring, 64 teeth on the inner ring.
As used in sets such as the Serpent's Spiral Coaster.
This gear fits onto any classic K'NEX rod, but can mesh only with the worm wheel fixed onto shaft of the 92815 12v motor, not with other K'NEX gears.
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