S3 PISTON PI-MON4-80, 80,00MM

S3 is the specialist in Trial and Enduro parts. Innovation and 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 and equip the best riders and trial teams.  Piston S3 Racing long lifeForged or casted in high quality Aluminium-siliciumVery light and resistantReduce vibrationsEngine revs build fasterSupplied with nitrurated steel ringsMOS2 piston coating.