Posted by Peter M on 23rd Aug 2022
I've used Jlb Cheetahs and J3s for 4 years and rebuild the diffs once or twice a year. It is usually the cups that wear out first along with bearings. I usually replace the bearings with sealed (fast eddy) bearings and change the diff oil from the grease they come with but this is a personal choice. The diffs are great as is. Sometimes I just replace the entire diff depending on wear. Monkey Hobby is my go to store for jlb parts as they arrive to Canada within 10 days, Ems.
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