Sproket 9 Teeth 1/8 Bore

Name: Sproket 9 Teeth 1/8 Bore
Brand: SERV-O-LINK
SKU: 84784
Price: 3.56 USD
Availability: InStock
Rating: 5.0 (5 reviews)

$3.56 ~~$4.95~~ In stock

Category: Remote Control Toys

Power animated displays, robotics, model trains and other miniature mechanisms. Sprockets are made of tough, durable, self-lubricating acetal resin and are easy to use. All sprockets are designed to press-fit on a 1/8 inch dia. shaft*.

*Knurling or pinning is recommended.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Sebastian I. ★★★★★ Oct 23, 2026

Finally got around to replacing a worn sprocket on my model train and this acetal resin one slid right onto the 1/8 bore shaft with no fuss. The self-lubricating material is a nice bonus for something that runs continuously in a display.

Ella L. ★★★★★ Oct 22, 2026

This little 9-tooth sprocket is a perfect fit for my model train gearbox, and the self-lubricating acetal resin runs much smoother than the metal ones I've tried.

Evelyn ★★★★★ Oct 20, 2026

Swapping out the stock plastic sprocket on my robot arm for this acetal resin one was a noticeable upgrade—the self-lubricating property keeps everything running smoothly without extra grease. It's tiny but tough, and the 1/8 bore fit my motor shaft perfectly on the first try.