S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams. * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Casted Piston Ø53, 95mm Standard Compression Sherco TR125/ Beta Article: S3 Casted Piston Ø53, 95mm Standard Compression Sherco TR125/ Beta