



ATHENA Ø40mm Ring for Cylinder-Piston Kit 054012 — Manufacturer Ref: 070016/R
This replacement ring from ATHENA, specifically designed for the cylinder-piston kit 054012, meets the maintenance and restoration needs of 50 cm³ engines. With a diameter of Ø 40 mm, it fits the relevant pistons to restore the proper clearance between the piston and the cylinder. This spare part is designed for urban use, allowing you to renew the sealing of the combustion chambers during a piston replacement or engine rebuild.
Compact and easy to install, this ring is suitable for DIY bikers as well as workshops looking for an original ATHENA part. Replace it during a top-end kit to minimize compression loss and premature piston wear.
Examples of models where this ring can be used: VENT DERAPAGE 50 RR (2025), SHERCO SM 50 RS SILVER (2024), RIEJU MRT 50 SM TROPHY (2024). Please check compatibility with your engine before installation.