Compatible Models: These heavy duty spring compatible with 2000-2004 Yamaha TTR125; 2000-2008 Yamaha TTR125L; 2003-2009 Yamaha TTR125E; 2003-2022 Yamaha TTR125LE. Features: Good tensile strength, high elasticity, pitch is uniform, the force is stable, and it has a good force-bearing structure.