Sprocket Stuff!

Marsoni

M251S

$25.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Sprocket Stuff!Longer Rear Hub studs for 428, 520 sprockets (can't get the nut on with the stock studs, sprockets way thicker) Sprocket nuts Aircraft Quality Sprocket Lock Tabs Front Sprocket Circlip if the old one is tweaked at all, it is no good! Check it out!

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Your Sprocket Stuff! orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Unfortunately I ended up being very disappointed with this purchase, after about two weeks of use, it just stopped performing. Not sure what happened but it just stopped releasing the ball and I don't know why, it had no flexibility left to it. I'm not doing a very good job of trying to explain why it quit working but suffice it to say, it became useless after a couple of weeks. Broke my neighbors dog's heart, lol.

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Reviewed in the United States on November 20, 2025