Clean a Bicycle Helmet in 6 Steps: Hand-Wash Pads and Air-Dry
Based on Trek's official guide: care for pads, straps and shell separately while avoiding harsh chemicals and heat.
Wikimedia Commons · Ashley Pomeroy / Wikimedia Commons / CC BY-SA 4.0 (unaltered) · CC BY-SA 4.0 ↗
A bicycle helmet is protective equipment. Follow its specific manufacturer's manual. The cover is a generic helmet, not a Trek product or cleaning tutorial. Cleaning does not repair impact damage.