h 12 mm? 12,5 mmProduct descriptionCristian Mazelli is a dedicated Vespa enthusiast and he has been most active on the Italian scooter racing scene for many years. During his time as a racer he was constantly faced with material and part quality problems he deemed as unsuitable for the task in hand. To ease these bottlenecks in supply he decided to use his career-based knowledge of industrial research and development to create parts under his own name that he now markets under the ‘CRIMAZ’ logo. Beautifully detailed solutions combined with very high production quality are the results! The team at CRIMAZ have also been considering the optimisation of the operation of the Vespa largeframe clutch. Their push rod is not activated by a lever as the original item, but with a small cog tooth assembly that is placed between the push rod and the clutch cover. We also recommend the use of a bearing-equipped pressure-plate due to the materials involved. Conclusion : If you have ever cursed the