Built for use with Sidi Mag-1 and Mag-1 Air boots, the Mag-1 Tecno 3 Magnetic Long system allows for quick and secure boot closure. The magnetic design ensures fast adjustments, helping riders achieve a perfect fit. Ideal for replacing worn-out parts, this tensioner maintains the high-level protection and fit that Sidi boots are known for, ensuring they stay in peak condition for your off-road adventures.