MRP Ramp Control Cartridge Version G for Fox 38 Float, 2021 to Present Forks with FIT 4, RC2 and Grip DampersRamp control adds speed sensitive ending stroke bottom out adjustability to forks. At high shaft speeds, the cartridge it mimics the addition of volume reducing spacers in the fork. At low shaft speeds it allows the fork to be more active. Total tuning range (strictly in terms of ending stroke support) is roughly equivalent to 1 4 volume spacers. Thus fully open, the Ramp Control cartridge reduces spring volume similar to one volume spacer. In its