## Polini 15% Uprated Torque Spring (Blue) for Honda / GY6 / Keeway / Kymco / SYM 125-150 Boost your scooter's performance with the Polini 15% uprated rear clutch torque spring. Designed for Honda, GY6, Keeway, Kymco, and SYM 125-150 models, this blue spring delivers improved acceleration and a more dynamic riding experience. ### Why choose a Polini spring? The renowned Polini brand is synonymous with quality and innovation in the scooter tuning world. A stronger central spring ensures a tighter grip on the belt, resulting in more efficient power transfer and eliminating slippage. The Polini 15% spring is the ideal solution for those seeking enhanced performance and a sportier feel. ### Precise Manufacturing and Fit The spring is precisely manufactured from high-quality materials, guaranteeing durability and reliability. Its parameters have been carefully selected to ensure optimal clutch operation in scooters with a capacity of 125-150cc. The blue color adds a sporty touch. ### Technical Data: * Spring Hardness: +15% * Color: Blue * Number of coils: 7.2 * Wire thickness: 4.2mm * Height: 150mm * Inner diameter: 49.5mm ### Benefits: * Increased torque by 15% * Improved acceleration * Elimination of belt slippage * High-quality construction * Sporty look * Compatibility with popular scooter models