LS2 Fast II review: Ultra-lightweight motocross helmet with channelled EPS ventilation and adjustable peak. This guide considers the listed features and the checks to make before buying.
This is a specification-based buying guide, not a hands-on road test. We may earn a commission from purchases through our links, at no extra cost to you.
Key features of LS2 Fast II
Sportsbikeshop lists the following details for the checked version:
- Ultra-lightweight kinetic polymer alloy outer shell construction
- Channelled EPS ventilation for improved airflow
- Multiple top vents, chin vent and exhaust port
- Emergency release system (ERS)
- Reinforced chin strap
- Double-D ring fastening
Protection and construction
The listed approval is ECE 22.06. Check the exact helmet label and specification for the version you are buying, particularly if you need it for a track event.
Fit and adjustment
The chin-strap fastening is Double-D. Make sure you are comfortable operating that fastening and adjusting it securely before choosing the helmet.
Comfort and everyday use
The interior is removable for cleaning. Follow the manufacturer’s care instructions and refit the pads in their original positions.
Fit and the exact version
Try the helmet on before committing to a size: check even contact around the head and secure retention with the strap fastened. Shell specifications do not establish whether its internal shape suits you. If you use glasses or an intercom, check their fit with this exact helmet and the relevant fitting instructions.
Versions and options
The checked listing links to these options: Wash Matt Dark Grey, Grotesk White / Blue / Red, Grotesk Purple / Orange, Grotesk Blue / Pink / Green, Zombie II Black / Red / Blue, Duck Matt Hi-Vis Orange / Red, Duck Matt Hi-Vis Green / Yellow, Solid Matt Black. Check the selected version and available sizes before ordering; the linked price may apply to a particular option.
See our motorcycle helmet reviews for more buying guides.
Related reading: LS2 Bob Carbon Review.