Paul Caswell, the senior brand manager for Giro and Bell helmets’ distributor ZyroFisher agrees: “We normally recommend a new lid every three years depending on usage as even with no impacts there is a constant knocking and pressing of the EPS as the helmet is stored, dropped, placed on hard surfaces etc. You should also think about the integrity of the rest of the helmet, as Paul explains: “Think about the straps and fit system too, both elements are critical to securing the helmet properly on your head and there can be no risks taken with potentially hidden damage to these parts too.” Paul’s advice mirrors that but suggests that you should replace the pads before you replace the helmet: “Replace the pads as often as you can, primarily for safety reasons as the pads secure the helmet in…