Great question — answering as the UphillTech team:
I think 30 hours is probably conservative, it's too often and won't add much additional value. That would be about right for an air sprung fork with an oil damper, possibly even a coil with an oil damper, both in dusty conditions. Fork service interval for each fork is dependent on the fork, the type of riding you're doing, and cleaning you do after each ride. Servicing is done to ensure optimal performance, prevent accelerated wear and prevent failure. Generally servicing of forks includes a replacement of oil and seals, a thorough cleaning (to remove grit) and a lubrication. Suntour coil forks use a sealed unit for damping and the coil spring. This means there is actually very little...
Full answer by DWGKNZ: https://bicycles.stackexchange.com/a/18802 (CC BY-SA 3.0).
Need it done for your business? UphillTech.
