Strong enough for the grimiest metal parts, yet safe enough to clean parts with rubber o-rings and seals, urethane elastomers, and painted surfaces, etc.
 
Ecotech Degreaser features 100% active (no water) biodegradable degreasing solvents
Bicycle chains and gears are cleaned more quickly, and often without a need for a water rinse
Powerful soy-extracted solvents break down grease, grime, and stubborn soils with amazing ease and will biodegrade rapidly when they get in the environment.