I don't think there's a service interval. The manual only has boot inspections. Many of us carry emergency boot repair kits for trail repairs. I opened up my front and rear axle boots at 2000 miles to see how the grease looked/inspect due to the fact that I'm constantly in water, they looked great. I would treat them like a car with cv's, no maintenance until you hear noise or see grease coming out the bootWith all this talk of CV poems, I have a related question. Run the OEMs until they fail or dive into the nasty and clean/repack them on some interval? I get it if the boot is torn a repacking is required, but otherwise just keep riding?
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