Variator pulley Polini Air Speed Evolution – Piaggio / Gilera 50cc

Polini Air Speed Evolution pulley is a performance upgrade for the variator on Piaggio 50cc scooters. It is designed to improve power transmission, provide faster response and ensure stable operation at higher RPM.

Thanks to the 14° angle, it enables more direct belt force transfer, resulting in better acceleration and engine responsiveness. Integrated cooling fins improve variator cooling, reduce temperature and ensure stable performance even under higher loads.

The pulley is made from high-quality aluminum alloy, providing better belt grip, reduced slipping and more efficient power transfer to the rear wheel.

Features:
• performance Polini variator pulley
• 14° angle for more aggressive power transfer
• improved acceleration and response
• cooling fins for better heat dissipation
• improved belt grip
• suitable for stock and tuned engines

Specifications:
• diameter: 115 mm
• angle: 14°

Compatibility:
• Piaggio Zip 50
• Piaggio NRG 50
• Piaggio Typhoon 50
• Piaggio Fly 50
• Gilera Runner 50
• Aprilia SR 50 (Piaggio engine)
• Vespa LX 50 / ET4 50

Suitable for Piaggio 50cc 2T and 4T scooters.