Solid weights with special coating. Forged H-shaped connecting rod. Removable connecting rod cage. Connecting rod foot with 2 lubrication holes. Rotation speed 148000 rpm. Careful dynamic balancing.

Adaptable on :

• DERBI Atlantis 50
• DERBI Gp1 50
• GILERA Dna gp 50
• GILERA Ice gp 50
• GILERA Runner 50
• GILERA Stalker 50
• GILERA Storm 50
• PIAGGIO Nrg 50
• PIAGGIO Zip 50
• PIAGGIO Typhoon 50
• PIAGGIO Liberty 50
• PIAGGIO Fly 50
• PIAGGIO Vespa lx 50