S1 Lifer Helmet Black Matte Size:XX-Large 5-Level Pedal Assist + 12-Magnet

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

sure-footed pedal with smooth rotation for everyday use

4*350mm Stem Bar bore: Ø31

In a Box (Factory-Sealed)This option is delivered in the manufacturer’s original packaging and arrives unassembled

Rear: 230mm length

S1 Lifer Helmet Black Matte Size:XX-Large 5-Level Pedal Assist + 12-MagnetS1 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