ZK1 Piston Ring Set (40 X 1.5mm) – Original Type For Piaggio/Gilera 50cc Scooters (Typhoon, NRG, Vespa, Derbi)

Rebuilding a 50cc 2-stroke scooter engine?

This ZK1 piston ring set is the original type replacement you need.

The rings measure 40mm in diameter with a 1.5mm thickness.

They're designed to fit a wide range of Piaggio and Gilera 50cc engines, including models like the Typhoon, NRG, Sfera, Stalker, and even some Vespa and Derbi scooters.

These are classic, replacement parts made in France.

If you're doing a top-end rebuild, don't reuse old rings—grab this fresh set for proper compression and performance.

Get your scooter back on the road with these quality piston rings.