Is the Maxima Plush Dynamic Suspension Lube backwards compatible? Yes! This lube can be used with all Signature Series forks: Pike, Lyrik, ZEB, BoXXer, SID SL, and SID, and is also backwards compatible where you would use 0W-30. Related articles What makes Maxima Plush Dynamic Suspension Lube different than what we’ve used in the past? Can I retrofit the Ultimate bushing package on RockShox Select + and Select forks? Can I upgrade my current RockShox fork to Pressure Relief Valves (PRVs)? How does the DebonAir+ improve upon DebonAir C1? Can I upgrade my current RockShox fork with a DebonAir+ airspring?