To call this stuff grease is a bit of an insult! Finish Lines Premium Grease is 100% synthetic & based on Teflon which, as we all know, is the only thing anyone can remember as being a spin-off from the space programme. Finish Line’s all new technology for 2006 sets an even higher performance standard New “functional” thickener totally prevents rust & corrosion (even in saltwater) New thickener prevents washout & water emulsification New technology withstands higher pressures without sheering Tested, approved, & used by leading bike & bearing manufacturers 457gm / 1lb tub