Malossi DELTA SYSTEM MHR clutch and bell D 107 for Piaggio engines

The Malossi DELTA SYSTEM MHR Ø 107 mm clutch and bell system is designed for Piaggio engines and is ideal for racing and sport scooters. This system consists of the renowned patented adjustable Delta Clutch and the reinforced anti-shock Wing Clutch Bell MHR. The bell is equipped with dynamically balanced cooling fins to ensure optimal performance.

The Delta Clutch was born in the scooter racing environment and has become a reference tool for vehicle tuning. Its simplicity allows for quick adjustment of the counter spring tension against centrifugal force and replacement of the spring with others with different K values, available in the Malossi catalog. Furthermore, it is possible to vary the position of the weight that determines the pressure of the friction material against the inner wall of the bell and replace the weight itself with one of different weight.

The entire system is protected by a patent to defend the product from counterfeiters and copiers. The Delta clutch has been adopted by all racing teams and a wide range of sports enthusiasts, contributing to a continuous increase in sales. Malossi has constantly optimized the product with small but important improvements to keep it at the forefront.

The Wing Clutch Bell MHR bell is forged without welding in hardened and nitrided 39NiCrMo5 steel with anti-oxidation surfaces. It is equipped with a finned anti-shock reinforcement crown to dissipate heat and ensure the durability of the friction material. The contact surface has sized discharge holes to achieve permanent grinding of the friction material. The original architecture with carefully designed openings allows for dynamic ventilation, enabling adjustments to be made within the system. The bell has a high-quality finish with very tight tolerances.