Motorcycle Accessories Cylinder Bore Size 54mm Piston Rings Full Kit For MC 125 MC125 2021 2022 This piston ring set is designed as a direct replacement for the rings in the MC 125 model.With a bore size of 54mm, it matches the specifications required for compatibility with MC 125 2021–2022 models.The piston rings are constructed from metal, providing resistance to wear and supporting consistent engine. The kit is built to fit precisely within the cylinder, helping maintain compression and reduce friction during engine use.It supports smooth engine performance by piston movement noise and maintaining seal integrity.Installation is straightforward and does not require modifications, allowing for quick replacement of worn or damaged rings. Designed for riders who rely on dependable engine function, this piston ring set supports long-term durability under regular riding conditions.It is suitable for routine maintenance or engine rebuilds, offering function for both off-road and on-road applications. This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.