
PROX Forged Piston (Manufacturer part number: 01.7207.A) designed for Cross and Roadster engines. This aluminum piston, with a diameter of Ø 55.94 mm (oversize letter A), features a dome-shaped head suitable for demanding combustion chamber profiles. Its compression is in standard configuration, for a fit that complies with original equipment specifications.
Designed for mechanics and builders who are replacing or overhauling a bottom end, this PROX piston offers meticulous manufacturing and a surface treatment aimed at reducing friction between the skirt and cylinder. It installs as a direct replacement for the original equipment and is accompanied by compatible ring references.
Examples of compatible models: TM RACING MX 144 (2015), TM RACING EN 144 (2015), TM RACING SMX 144 (2011). Ideal for engine refurbishment work, it will suit riders looking for a robust and dimensionally compliant replacement part.