## Polini -10% Torque Spring, Honda 125 13- / Piaggio / Vespa 125 12- Boost your scooter's performance with the Polini -10% torque spring. This high-quality component from renowned manufacturer Polini is designed to improve power transmission and provide better performance in Honda 125 (from 2013), Piaggio, and Vespa 125 (from 2012) scooters. ### Why choose the Polini torque spring? The Polini -10% torque spring is a key element of the power transmission system. Its precisely selected parameters, such as 6 coils, wire thickness of 4.6 mm, height of 110 mm, and inner diameter of 49 mm, guarantee optimal pressure on the drive belt. This translates into: * **Improved power transmission:** Reduced risk of belt slippage allows for more efficient use of engine power, resulting in better acceleration and riding dynamics. * **Smoother operation:** The precise design of the spring ensures smooth and stable operation of the transmission system, eliminating jerking and vibrations. * **Increased durability:** The Polini spring is made of high-quality materials, which guarantees its long life and resistance to wear. * **Ideal for modifications:** The Polini -10% spring is especially recommended for modified scooters where better transmission of increased power is required. ### Compatibility: * Honda 125 (from 2013) * Piaggio 125 * Vespa 125 (from 2012) By choosing the Polini -10% torque spring, you are investing in quality, performance, and reliability. Experience the difference this small but essential component can make in your scooter.