PROX 39.85 PISTON KIT B, APRILIA RS50, RX50, SX50 06>

Piston 2-STK KIT 39.85mm Bore.
Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion,

low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.
Replacements parts. PROX RING SET , PROX PISTON PIN , PROX CLIPS ,

Aprilia RS 50 (2006-2008), Aprilia RX 50 (2006-2008), Derbi GPR (1950-2014), Derbi GPR Racing Replica (1950-2014), Gilera RCR (1950-2014), Gilera SMT (1950-2014), Aprilia SX 50 (2006-2008), Derbi Senda R (1950-2014), Derbi Senda SM (1950-2014),

PROX 01.7010.A

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.