The Ohlins coil spring kit for DH38 suspension fork allows the rider to swap from the standard air spring to a coil spring setup. Due to the unique Ohlins air cartridge design the fork can be exchanged between coil and air indefinitely. Experience the lower friction initial suppleness and lack of maintenance a coil spring offers. Two important notes: The actual spring IS NOT INCLUDED (Sold Separately). Requires Ohlins coil tool for installation (Sold Separately).