Arc variator (45x77x3.9mm / 8.4K) - Piaggio Boss 50 AIR 2T ('88-'89) / Grillo A.E. 50 AIR 2T ('90-'96) - Malossi

Spring variator (45x77x3.9mm / 8.4K) Malossi. Among the most important applications are: Piaggio Boss 50 AIR 2T 1988-1989 / Bravo 50 AIR 2T 1973-1998 / Bravo 50 AIR 2T E1 1999-2001 / Ciao 50 AIR 2T 1967-1984 / Ciao 50 AIR 2T E1 1996-2001 / Ciao 50 AIR 2T E2 2002-2005 / Ciao PX 50 AIR 2T 1985-1996 / Grillo 50 AIR 2T 1989 / Grillo A.E. 50 AIR 2T 1990-1996 / Si 50 AIR 2T 1978-1998 / Si Mix 50 AIR 2T 1999-2001.

Spring compatible with the following parts:
- Multivar variator for Piaggio motorcycles (513863);
- Fly clutch kit (5218223);
- High carbon content silicon-steel spring;
- Heat treated, dynamically balanced, oven painted;
- Designed and calculated for each specific application;
- Outer diameter of spring (A): 45 mm;
- Spring length (B): 77 mm;
- Spring wire thickness (C): 3.9 mm;
- Spring stiffness: 8.4 K;
- Type: Mid-Race;
- Class: Sport;
- Color: yellow.

Products reserved exclusively for competitions in designated areas in accordance with the provisions of the competent sports authorities. We decline any responsibility for improper use.