These complete air spring cartridges for Ohlins forks feature their three-chamber air spring system with two externally adjustable springs: adjust the main spring by adding air into the top valve and control the progressivity by changing pressure on the bottom of the fork of the ramp-up chamber. The third chamber is the negative spring which can futher be customized by removing or adding up to two volume spacers.

Model	RXF38 M.3
Description	Fork Air Spring Cartridge 170Mm