Contrast spring -MALOSSI reinforced- Piaggio Ciao, Boss, SI, Grillo, Bravo, Superbravo, PX (Ø 45x77mm, 3,9mm 8,4k +30%)

With the MALOSSI Racing counterpressure spring you will find the perfect tuning tool for your engine.

With the counterpressure spring for the rear converter disc you prevent the V-belt from slipping. The Malossi springs are made of a special silicone steel with a high carbon content. This and the special tempering method and dynamic balancing make them a good and durable choice for your engine!
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