Piston (diameter 39.84mm) - Aprilia RS 50 ('06-> / DERBI D50B) / Valenti Racing RME, SM (DERBI D50B) - Polini

Piston (39.84mm) Polini for the following applications: Aprilia RS 50 (2006-> / DERBI D50B) / RS4 50 (DERBI D50B) / RX-SX 50 (2006-> / DERBI D50B) / Derbi GPR 50 Racing (2006-> / DERBI D50B) / Senda 50 DRD / SM (2006-> / DERBI D50B) / Gilera RCR 50, SMT (2006-> / DERBI D50B) / Valenti Racing RME, SM (DERBI D50B).

Piston kit for cast iron cylinder.

The kit includes:
- Piston;
- Rings;
- Pin;
- Clips.

Technical specifications:
- Diameter: 39.84 mm.