Polini primary gearCode: 202.1370Made with the utmost care and precision, Polini gears are an essential step in upgrading the performance of your engine. In some cases it is possible to vary the initial gear ratio allowing maximum versatility and customization. The processing of Polini components is more accurate than the respective original OEM components, consequently the robustness is increased with the use of metal alloys specifically designed for the purpose. Features: - Specific for: MBK Nitro 50 1996> 2T water cooled
- gear teeth: Z=13-44
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