Piston Ø56mm bi-segment for kit ATHENA Racing 125cc DERBI GPR, YAMAHA TDR, DT, TZR 2 times

Piston ATHENA high-end bi segment Ø56mm, delivered complete with axis of 16mm, reinforced clips in C, thin segments 1mm hard chrome domed ... It is the replacement of 125cc kits ATHENA Racing for 125cc engine DERBI GPR, YAMAHA TDR, DT, TZR 2 time. We have wear ribs to select before purchase according to the wear and basic pairing of your cylinder. (In general we go on the coast B (Ø55,96mm) after 15,000 km ...)

ATTENTION, only fits in replacement for the ATHENA kit and not for the original high engine due to the domed piston crown on the ATHENA!