Easily change your Ohlins RXF38 m.3 suspension fork travel by simply unthreading the footnut on the bottom, and using a cassette lockring tool, unthread the top cap which will pull the entire cartridge out of the fork. Replace with another cartridge, and the change is complete.Includes an entire air spring cartridge set to 140mm of travelAllows for easy and quick travel changeMaximum stroke on RXF36 m.3 is 160mm for 29" wheel, and 170mm for 27.5" wheel version Ohlins RXF36 m.3 Suspension Fork Air Spring Cartridge Air Springs & Parts UPC: 840153640056