S1 Lifer Helmet Black Matte Size:XX-Large SIZING GUIDE Small (Knee 12"

SIZING GUIDE Small (Knee 12" - 14”) Medium  (Knee 14" - 16”) Large (Knee 15" - 17”) X-Large  (Knee 17" - 18”)

sure-footed pedal with smooth rotation for everyday use

5-Level Pedal Assist + 12-Magnet Cadence Sensor: Five assist levels with smooth cadence-based engagement for efficient cruising

Throttle and Walk-Mode Display Full Color Center Mounted TFT Battery 500Wh/48VLG 21700 cells

integrated with the frame Fenders Front & rear fenders

S1 Lifer Helmet Black Matte Size:XX-Large SIZING GUIDE Small (Knee 12"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