Athena Derbi Lobito / Astro 50 47.6mm Bore 70cc Big Bore Cylinder Kit

This Athena big bore cylinder kit gives your Derbi Lobito or Astro 50 a significant displacement increase, bringing it up to 70cc with a 47.6mm bore. Athena has been developing aftermarket engine components for over a decade, investing in their research and development to enhance both production and performance.

Each cylinder is designed and tested in Italy by Athena's R&D team, utilizing their internal expertise and advanced tools. The cylinders are coated with motor-nicksil, a special nickel-silicon coating developed by Athena. This coating is applied to achieve a smooth surface finish and provide excellent resistance to wear, which is crucial for the longevity of a high-performance cylinder.