HELMETS
Dirt Bike Helmet
HappyRun
Electric Dirt Bike Helmet Size（Head circumference）：22.8"-24.4" (58–62 cm), Suitable for adults and teenagers
Gear guide & shop
Helmets That Fits Real-World Riding
Everyday protection for faster, heavier e-bike riding.
Start with your riding situation
3 gear options
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HELMETS
Helmets
HappyRun
Electric Bike Helmet Size（Head circumference）：22"-24", Suitable for adults Weight: 480g Material: ABS+EPS, sturdy and impact resistant.
HELMETS
Off-road Full-Face Helmet
Leonx
Fit System This adult mountain bike helmet fits head circumferences of 22.8–23.2 inches.
Buying help
Read the gear signals before you choose
Helmet fit basicsHow to get the right fit for comfort and real protection.Read guide 
How much lock do you need?Match lock security to where and how long you park.Read guide 
Light brightness in plain EnglishLumens, beam pattern, runtime, and placement without the jargon.Read guide 
Rack compatibility checksMake sure the rack fits your e-bike before you buy.Read guide