Fast Suspension offers a number of upgrades and modifications to RockShox and FOX shocks and forks that are said to improve their ride, as well as a few products of their own. The Fast Holy Grail damper has a two-stage piston, 12mm diameter shaft, hi- and lo-speed compression adjustment, rebound adjustment, IFP piggyback design and is offered in 216mm, 222mm and 241mm shock lengths with a weight of 495g in the 241mm configuration. Fast also offers replacement cartridges for RockShox Pike and BoXXer Team which provide lo- and hi-speed compression adjustments.
Fast also offers a replacement cartridge for the RockShox Domain, FOX 34, 36 and 40. This product has a unique design in that one knob controls both hi- and lo-speed compression. Lo-speed rebound is also externally adjustable with the cartridge.
