Alpinestars S-M3 Radium Helmet -Black/Red Fluoro/White Gloss
Alpinestars S-M3 Radium Helmet -Black/Red Fluoro/White Gloss
| DR MOTO Tauranga |
Not Available
|
| NZ Warehouse |
Available
|
Alpinestars Helmet Sizing
| Size | Head (cm) |
|---|---|
| XS | 53-54 |
| S | 55-56 |
| M | 57-58 |
| L | 59-60 |
| XL | 61-62 |
| XXL | 63-64 |
How to Measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Tauranga, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, DR MOTO will ship your purchase from the closest location where possible.
New Zealand
Free shipping on orders over $149.00 - Excludes Motorcycles, ATV's , Electric Bikes and dangerous goods.
For orders under $149.00, shipping throughout New Zealand is $10 for Urban and $14 for Rural.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
RETURNS
RETURNS
**Please choose carefully - no refunds or exchanges on discounted or clearance items.**
If you are unsure about fitment or sizing, please contact us first.
Any goods purchased from DR MOTO can be returned within 14 days of receipt for refund or exchange less any freight expenses and the order meets our explicit terms and conditions.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
Please refer to our returns policy for full terms & conditions.
FITMENT GUIDE
FITMENT GUIDE
For direct bike fitment please use our SEEKER PARTS FINDER
For clothing fitment and product information guide CLICK HERE
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Alpinestars S-M3 Radium Helmet -Black/Red Fluoro/White Gloss
Built for motocross, enduro, and off-road riding, the Alpinestars SM3 Helmet delivers premium protection, lightweight comfort, and advanced safety technology in a modern, race-ready package. Developed using Alpinestars' extensive research and stringent in-house testing standards, the SM3 is engineered to provide exceptional impact protection, ventilation, and rider comfort across all riding conditions.
Lightweight Advanced Shell Construction
The SM3 features a thermo-injected polymer shell constructed from a specially developed blend of materials with varying thicknesses to optimise strength, impact resistance, and weight reduction.
- Lightweight design weighing just 1430g (ECE, Size M)
- Advanced shell construction for improved impact management
- Reinforced chin bar exceeding standard homologation requirements
- Designed to reduce rider fatigue during long rides
Advanced Impact & Rotational Protection
Safety is at the core of the SM3, with a sophisticated multi-density EPS liner and innovative rotational impact technology designed to help manage both direct and angled impacts.
- Five-section EPS liner with four density zones
- Optimised energy absorption across multiple impact scenarios
- Patented low-friction EPS coating helps reduce rotational forces
- Inner and outer shell surfaces designed to deflect impact energy away from the head
Patented Safety Features
The SM3 incorporates Alpinestars-exclusive technologies designed to enhance rider safety during crashes.
Automatic Visor Release System
The visor is engineered to release at a predetermined force, helping reduce stress transferred to the neck during an impact.
Emergency Release Cheek Pads
Allows first responders to safely remove cheek pads while the helmet remains fitted to the rider.
Maximum Ventilation & Comfort
A highly efficient airflow system keeps riders cooler and more comfortable when conditions get demanding.
- 17-port ventilation system featuring 10 intake vents and 7 exhaust vents
- Excellent airflow and heat dissipation
- Removable and washable comfort liner
- Moisture-wicking materials for all-day comfort
- Eco-conscious liner constructed using recycled materials
Rider-Focused Fit
Designed for a secure and personalised fit, the SM3 offers multiple adjustment options to suit a wide range of riders.
- 3D contoured foam padding for enhanced comfort
- Multiple crown and cheek pad thickness options available
- Hydration-system compatible cheek pad channels
- Soft 25mm chin strap for improved comfort
- Durable stainless steel D-ring closure system
Certified Protection
The Alpinestars SM3 meets the latest international safety requirements, giving riders confidence on the track, trail, or racecourse.
- ECE 22.06 Certified
- DOT Approved
Ready for Any Terrain
Combining cutting-edge protection technology, lightweight construction, superior ventilation, and all-day comfort, the Alpinestars SM3 Helmet is built for riders who demand confidence, performance, and safety every time they ride. Whether you're racing motocross, tackling technical enduro terrain, or exploring off-road trails, the SM3 is designed to perform in the toughest conditions.