The TRUVATIV chain guard "Aero Guard" is a practical solution for cyclists who want to optimally protect their chain and chainrings. Made of robust plastic, this chain guard provides a reliable barrier against dirt and damage that can be caused by external influences. It is specifically designed for triple cranksets and fits chainrings with a bolt circle diameter of 104 mm. The black finish ensures a subtle and appealing appearance that harmoniously integrates into the overall look of the bicycle. With the Aero Guard, you can extend the lifespan of your chain and chainrings while simultaneously reducing maintenance costs. An indispensable accessory for anyone who values durability and functionality.