2Fast Torque Spring for Minarelli / Piaggio – Red (34kg)

The 2Fast torque springs are specifically designed for high-performance racing and tuning engines. Engineered for use with oversize / overrange pulley systems (such as those from Malossi, 2Fast, Stage6, or Polini), they ensure optimal belt tension and power transmission even under extreme loads.

• Suitable for: Engines between 70cc and 80cc
  
• Hardness: 34 kg
  
• Wire thickness: 4.6 mm
  
• Compatible with: Minarelli and Piaggio engines
  
• Designed for oversize / overrange CVT systems