Everything you need to rebuild the top end of your 125RR Race Edition or 2020-on 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 (20-on)|125RR Race Edition Complete Top End Rebuild Kit
Beta and/or Cometic Parts