![Why You Need to Replace a Mountain Bike Helmet After a Crash... Unless It Has Nano Core from Kali Protectives - Singletracks Mountain Bike News Why You Need to Replace a Mountain Bike Helmet After a Crash... Unless It Has Nano Core from Kali Protectives - Singletracks Mountain Bike News](http://images.singletracks.com/blog/wp-content/uploads/2016/09/kali_helmets-3.jpg)
Why You Need to Replace a Mountain Bike Helmet After a Crash... Unless It Has Nano Core from Kali Protectives - Singletracks Mountain Bike News
VeloBrands - SHOULD YOUR HELMET BE REPLACED AFTER A CRASH? After any violent impact, even if there is no damage visible, the helmet should be replaced because its capacity to absorb further
![Why You Need to Replace a Mountain Bike Helmet After a Crash... Unless It Has Nano Core from Kali Protectives - Singletracks Mountain Bike News Why You Need to Replace a Mountain Bike Helmet After a Crash... Unless It Has Nano Core from Kali Protectives - Singletracks Mountain Bike News](http://images.singletracks.com/blog/wp-content/uploads/2016/09/crashed_helmet-1200x800.jpg)