Everything you need to rebuild the top end of your 2018-2019 125RR.
Beta piston kit
Beta wrist pin bearing
Beta top end gasket kit
Please check which size kit you need by removing the power valve cover on the right side of the cylinder (you'll find the size designation on the cylinder inside that chamber) and choose the appropriate kit above. Also, choose the Beta or Cometic top end gasket kit.
Note: The "N" on each piston ring goes up when installing.
Beta 125RR (2018-2019) Complete Top End Rebuild Kit
Beta and/or Cometic Parts