LS2
LS2 MX708 Fast II Grotesk Motocross Helmet White / Blue / Red
The LS2 MX708 Fast II Grotesk Motocross Helmet White / Blue / Red combines LS2's KPA shell construction with an open motocross design for trail, practice and off-road riding. This gloss Grotesk colourway uses White / Blue / Red and carries manufacturer reference 467082332. LS2 lists the Fast II at approximately 1,450 g, with a tolerance of +/- 50 g.
The MX708 Fast II is homologated to ECE 22.06. LS2 UK also lists the model among its ACU Gold Label off-road helmets. Event and organiser requirements can vary, so competition riders should confirm the rules for their discipline.
Safety and shell construction
- KPA shell material
- ECE 22.06 homologation
- Approximate weight: 1,450 g +/- 50 g
- Three shell groups: XXS-S, M-L and XL-3XL
- Emergency-release cheek-pad system
- Multi-density EPS impact liner
- Double D-ring fastening
- Reinforced chin strap and metal security plate
Ventilation and comfort
- Chin vents and multiple top air intakes
- Multiple exhaust ports
- Channelled EPS to support internal airflow
- Breathable, hypoallergenic comfort lining
- Laser-cut foam for a more precise interior shape
- Removable and washable interior
- Prepared for the LS2 Intercom Spectrum
Peak and eye protection
The adjustable peak uses hand-release screws and can be removed when required. This motocross helmet does not have a road-style outer visor. Compatible motocross goggles are required for eye protection and are sold separately.
The LS2 Intercom Spectrum is also sold separately. LS2 lists the MX708 Fast II as a compatible helmet model.
LS2 size guide
Moto Central offers this colourway in sizes XS to 3XL. Measure around the widest part of the head, above the eyebrows and around the back of the skull, then compare the result with LS2's measurements below.
| Size | Head circumference |
|---|---|
| XS | 53-54 cm |
| S | 55-56 cm |
| M | 57-58 cm |
| L | 59-60 cm |
| XL | 61-62 cm |
| XXL | 63-64 cm |
| 3XL | 65-66 cm |
Common questions
Is the LS2 Fast II road homologated?
The helmet carries ECE 22.06 homologation. Riders must use suitable eye protection and should check any local or event-specific requirements.
Are goggles included?
No. Motocross goggles are required and sold separately.
Can an intercom be fitted?
Yes. LS2 lists the Fast II as compatible with the separately available LS2 Intercom Spectrum.
Is the peak removable?
Yes. The peak is adjustable and removable, with hand-release screws.
Fit advice from Moto Central
A correctly fitted helmet should feel evenly snug without isolated pressure points. Head shape matters as much as circumference, so visit the Moto Central showroom in Wolvey if you would like help comparing fit before riding.