Alpinestars SM3 Helmet - Radium - Gloss Black/White/Gray
SKU: 52157034555

Alpinestars SM3 Helmet - Radium - Gloss Black/White/Gray

Sale price$125.97 Regular price$139.97
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Alpinestars SM3 Helmet - Radium - Gloss Black/White/GrayFeatures Varied thickness shell construction for optimized protection and light weight Optimized for MX, Enduro, and Offroad use Delivers blend of performance, protection, and comfort Key Features Features thermo injected shell incorporating a polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight Lightweight outer shell is constructed from impact resistant

Features

  • Varied thickness shell construction for optimized protection and light weight
  • Optimized for MX, Enduro, and Offroad use
  • Delivers blend of performance, protection, and comfort
  • Key Features
  • Features thermo-injected shell incorporating a polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight
  • Lightweight outer shell is constructed from impact resistant thermoplastic
  • Inner shell constructed with a composite fiber assembled between the outer shell and the EPS liner for maximum protection against impacts
  • Fit can be tailored to the rider's head thanks to the helmet's crown and cheek pads
  • Construction
  • Multiple density inner liner ensures the helmet is equipped with the correct density in the correct area for enhanced impact absorption, while also helping to reduce overall weight
  • 6-piece EPS liner with five densities to effectively manage volume and impact performance
  • Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management
  • The inner and outer surfaces are engineered to minimize the effects of oblique impacts
  • Low friction coating is applied to the inner part of the main EPS liner to reduce the rotational acceleration forces that can result from certain oblique impacts
  • Maximized ventilation and high levels of heat transfer exchange thanks to ten inlets and seven exhaust ports
  • The visor has been designed to direct air into the ports for enhanced airflow
  • Visor release system ensures the visor is released with the correct pre-determined amount of force, effectively reducing the forces on the rider's neck during an impact
  • Comfort liner is constructed using recycled materials for a lower carbon footprint
  • Hydration tube channels are integrated into the helmet's cheek pads for convenience and performance
  • Soft textile chin strap is 25 mm for optimal safety and rider comfort
  • Protection
  • Equipped with an Emergency Release System and removable cheek pads to permit the safe and easy removal of the cheek pads while the helmet is still on, while the 3D contoured foam ensures rider comfort
  • Chin area optimized for superior impact performance
  • Stainless steel D-rings ensure a tight and secure fit

Certifications

  • Conforms to both DOT certification and ECE 22.06 homologation
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52157034555

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 481 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
dkz
Omaha, US
★★★★★ 5
Good quality and do the job!
Color: 20PCS
This are as described, good quality, and work perfectly. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
A
Verified Purchase
Amanda
Chelsea, US
★★★★★ 5
So far so good
Color: 20PCS
Splash shield on my Honda civic 2015 fell off and purchased these to clip it back on. So far so good. They fit. So hope they last!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
A
Verified Purchase
Andrew Branson
Pawtucket, US
★★★★★ 5
Good quality for cost.
Color: 20PCS
As described. Good quality for cost. Used on my 2017 honda civic.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
A
Verified Purchase
Annie
Waukegan, US
★★★★★ 5
Good quality!
Color: 20PCS
Item is as decscribed and very good quality. Work great for what I needed them to do. Much cheaper then going to the dealer! A+
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
L
Verified Purchase
LovesAmazon24
New York, US
★★★★★ 5
High quality replacement clips. Highly recommend.
I used these when replacing the headlight assemblies on my 2011 Honda CR-V. A few clips were already missing before I even started taking the bumper off, and of course a couple more didn’t survive the job. These fit perfectly and snapped right in with no issues. If you’re missing clips or break some while doing a repair, these are a simple fix that gets everything secured again. Very good deal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026

recommand products