The SM5 helmet has been designed to provide MX riders with a helmet that is safe and purposefully ...The SM5 helmet has been designed to provide MX riders with a helmet that is safe and purposefully designed to deliver optimal protection and comfort. The lightweight SM5 helmet features a thermo-injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight, while the five density EPS liner ensures the correct density in the correct area for enhanced impact absorption. The ECE version of the SM5 Helmet weighs 1,350 grams for a size medium with helmet peak and features ECE 22-06 safety standard and a Double D-Ring closure.
Alpinestars Unisex Red Motorcycle Helmet Sm5 Act2 In | : Extra LargeFree delivery in 1–3 days£315.43Visit shop →
Product Information
Full details
This guide is for adult riders looking for a safe and comfortable helmet for motocross. The Alpinestars SM5 helmet provides optimal impact protection and a lightweight design, making it suitable for both casual and competitive riders. Keep in mind that while it offers excellent protection, proper fit and regular maintenance are crucial for optimal performance.
All features
Age Group
adult
Colour
Red
Gender
Unisex
Model Part Number
8059347172996
Brand
Alpinestars
Extended Product Information
FAQs
What is the weight of the SM5 helmet?
The ECE version of the SM5 helmet weighs 1,350 grams for a size medium (with the helmet peak).
What safety standards does the SM5 helmet meet?
The SM5 helmet meets the ECE 22-06 safety standard.
How do I clean the SM5 helmet?
Clean the helmet with mild soap and water. The inner liner is removable and washable.
How often should I replace my SM5 helmet?
Replace the helmet if it has been involved in an impact or shows signs of damage. It is also recommended to replace it every 3-5 years, depending on usage and care.
Can I use the SM5 helmet for street riding?
The SM5 helmet is designed primarily for motocross and off-road use. While it meets safety standards, it may not be ideal for street riding due to its design and features.
What is the Double D-Ring closure?
The Double D-Ring closure is a secure and reliable system for fastening the helmet, ensuring it stays in place during a ride.
Troubleshooting
Helmet feels too tight or uncomfortable.
Check the size and fit. Consider trying a different size or adjusting the cheek pads if applicable.
The Double D-Ring closure is difficult to fasten.
Practice the closure technique. Ensure the strap is threaded correctly through the rings.
The visor is loose or unstable.
Tighten the visor screws. Check for any damage or wear on the visor attachment points.
Durable construction for long-lasting performance.
Cons
Requires proper sizing for optimal protection.
May need replacement after significant impacts.
Specific maintenance is needed to keep in top condition.
Setup, Compatibility & Care
Sizing and Fit: Ensure the helmet fits correctly. Measure your head circumference and consult the Alpinestars size chart to select the appropriate size.
Fastening: Securely fasten the Double D-Ring closure before each ride.
Cleaning: Clean the helmet regularly with mild soap and water. Avoid using harsh chemicals.
Liner Maintenance: The inner liner is removable and washable. Follow the care instructions on the liner.
Inspection: Regularly inspect the helmet for any signs of damage, such as cracks or dents. Replace the helmet if it has been involved in an impact.