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Cub Brake Parts Needed

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crispy critter

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I have a J3 with the original 800x4's. Both expander tubes are shot and I was wondering anyone has a set of used disc conversion wheels & brakes they want to sell? I don't want 600's, I want to stay with the 800x4's, I think grove makes the disc conversion kits for the 800x4's. I figured I would check here first to see if I can find a used set before I fork over $900 for the kit from grove. Thanks
 

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