S1 Lifer Helmet Size:L (21") Truck Height: 2 7/8"

Truck Height: 2 7/8"

4-way stretchable nylon mesh to provide a snug fit

they have become the best selling bearing brand in the U

*All Bones Bearings are Skate Rated to withstand the destructive forces created by high performance skating

There are also additional slots allowing mounting from 150mm to 195mm

S1 Lifer Helmet Size:L (21") Truck Height: 2 7/8"S1 Lifer Certified Skate Bike Helmet Specs: Specially Formulated EPS Fusion Foam Certified Multi Impact ASTM F 1492 15 Safety Compliance Testing for Skateboarding and Roller Skate Helmets Certified High Impact CPSC 16 CFR Part 1203 Safety Compliance Testing for Bicycle & Skate Helmets 5x More Protective Than Non Certified Soft Foam Skate Helmets Deep Fit Design About: The S1 Lifer Helmet is one of the best fitting and safest helmets on the market. All