ALPINESTARS 8301825-5017-YM Youth Radium Helmet Fluo SM3 Fluo/blk/blue

( Brand: Alpinestars ), ( Manufacturer Part Number: 8301825-5017-YM ), ( Part Type: Helmet ), ( Product Type: Helmets ), ( Size: Youth Medium ), ( Color: Yellow Fluo/black/blue ), ( Segment: Offroad ), ( Division: Helmets Amp; Accessories ), ( Sub Class: Off-road )

Review ALPINESTARS Sm3 Youth Radium Helmet Fluo/blk/blue Off road fits ROAD YLW 2018–2024

The Alpinestars SM3 Youth Radium Helmet in the ylw fluo/blk/blue colorway (model number 8301825-5017) is a protective and stylish choice for young off-road riders. This helmet, designed for riders aged 5 to 13 years old, is part of Alpinestars' high-performance off-road helmet range.

The outer shell of the SM3 Youth Radium Helmet is constructed from a lightweight and durable composite material. This material provides excellent impact resistance while keeping the weight of the helmet reasonable for young riders. The helmet also features multiple intake and exhaust vents, ensuring optimal airflow to keep the rider cool and comfortable during long rides.

The interior of the helmet is lined with a removable and washable liner made of Alpinestars' 3D Dry fabric. This fabric is designed to wick away moisture and keep the rider's head dry, while also providing excellent breathability. The helmet's liner also features cheek pads with adjustable straps, allowing for a customizable and secure fit.

The SM3 Youth Radium Helmet is also equipped with a visor that offers good visibility and shields the rider's eyes from sunlight and debris. The visor is scratch-resistant and offers 99% UV protection. The helmet is DOT and ECE certified, ensuring that it meets the safety standards set by the US Department of Transportation and the Economic Commission for Europe.

The helmet's design is both functional and eye-catching, with its fluo/blk/blue colorway featuring bright yellow accents that make it easy to spot on the track or trail. The helmet's design also includes reflective accents that help increase visibility in low-light conditions, ensuring the rider's safety both on and off the bike.

In summary, the Alpinestars SM3 Youth Radium Helmet in ylw fluo/blk/blue is a high-performance and stylish choice for young off-road riders. Its durable composite shell, excellent ventilation, and customizable fit make it a reliable and comfortable protective gear. Its DOT and ECE certification ensure that the rider's safety is a top priority, while its fluo/blk/blue design with reflective accents adds a stylish touch to the rider's gear.

Alpinestars SM3 Youth Radium Helmet (Fluo/Black/Blue): A Comprehensive Analysis

The Alpinestars SM3 Youth Radium Helmet in Fluo/Black/Blue is a popular choice for young off-road motorcycle riders. This helmet offers superior protection, comfort, and style. In this analysis, we will discuss the pros and cons of this helmet to help you make an informed decision.

1. Advanced Protection: The SM3 Youth Radium Helmet is designed to meet or exceed the DOT and ECE safety standards. The helmet features an advanced polycarbonate shell and an impact-absorbing EPS liner to protect the rider from impacts.

2. Comfort: The helmet is equipped with a removable and washable interior lining made of moisture-wicking fabric. This feature ensures that the rider stays comfortable during long rides.

3. Ventilation: The helmet features multiple intake and exhaust vents that provide adequate airflow to keep the rider cool.

4. Adjustability: The helmet comes with a Micrometric retention system, which ensures a secure and customized fit.

5. Style: The helmet's vibrant Fluo/Black/Blue color scheme makes it an attractive option for young riders.

1. Price: The Alpinestars SM3 Youth Radium Helmet is priced higher than some of its competitors.

2. Weight: The helmet is slightly heavier than some of its counterparts, which might not be ideal for younger riders.

3. Noise: Some users have reported that the helmet generates more noise than other helmets in its class.

The Alpinestars SM3 Youth Radium Helmet (Fluo/Black/Blue) is a high-performance helmet that offers advanced protection, comfort, and style. While it comes with a higher price tag and is slightly heavier than some of its competitors, its superior safety features and ventilation system make it a worthwhile investment for young off-road motorcycle riders.

If you are a young off-road motorcycle rider looking for a helmet that offers superior protection, comfort, and style, the Alpinestars SM3 Youth Radium Helmet (Fluo/Black/Blue) is an excellent choice. Despite its higher price and slight weight, the helmet's advanced safety features, ventilation system, and adjustability make it a worthwhile investment for your safety and enjoyment on the trails.

Details:

Anatomically engineered and profiled specifically for youth younger riders, the all-new SM3 Youth is optimized MX, Endure Off-road use, features a whole raft of technologies innovations taken from Alpinestars range adult helmets to deliver optimal blend performance, protection comfort. Standard, and in order to pass the Alpinestars new standards, shell thickness structure of helmet design itself have both. Alpinestars patented low friction coating is applied to the inner part of main EPS liner reduce rotational acceleration forces that can result from certain oblique impacts. The Youth Small has a smaller EPS size and can be customized only via the cheek pads.

The inner and outer surfaces are engineered to minimize the effects of oblique impacts. The SM3 Youth weighs 1060g ECE and 1170g DOT. Patented visor release system ensures the is released with correct pre-determined amount of force, effectively reducing forces on riders neck during an impact. This layer essentially acts as a slip plane to mimic the brains own low friction fluid, which is body's natural defense against oblique impacts.

Equipped with an Emergency Release System and removable cheek pads to permit the safe easy removal of while. Multiple density inner liner ensures the helmet is equipped with correct in area for enhanced impact absorption, while also helping reduce overall weight. Been optimized on the chin area for superior impact performance. This lightweight helmet features a Thermos-injected shell incorporating special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination impact protection and light weight.

Stainless steel D-rings ensure a tight and secure fit. Hydration tube channels are integrated into the helmets cheek pads for convenience and performance. The fit can be tailored to the riders head thanks helmets crown and cheek pads, which are available as genuine spare parts in different thicknesses. Separate versions of the shells for and ECE requirements; certified version helmets inner shell is constructed with a composite fiber assembled between outer EPS liner maximum protection against impacts.

Lightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic in three sizes Youth Small, Youth Medium and Large. Features:Alpinestars has introduced a new in-house standard for the SM3 Youth to test helmets chin conditions heavier than humiliation. The visor has been designed to direct air into the ports for enhanced airflow. Youth Medium and Large sizes share the same EPS size, which allows riders with an YM size to initially buy helmet then configure it a as they grow via crown cheek pad spare parts.

Helmet is still on, while the 3D contoured foam ensures rider comfort.

part #: 83018255017 prices

• $220.44-$229.95

specifications motoralph:

• for models: Ylw, Road
• for years: 2018-2024
• brand: Alpinestars
• mpn: 8301825-5017-ym
• part type: Helmet
• product type: Helmets
• size: Youth Medium
• color: Yellow Fluo/black/blue
• segment: Offroad
• division: Helmets Amp; Accessories
• sub class: Off-road

returns motoralph:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer motoralph:

• quantity: 5
• sold: 0
• started: May 29, 2026
• options: Ship-to-home
• availability: In Stock

shipping motoralph:

• carrier: FedEx
• type: Fixed
• class: Standard
• transit: 3-6 Days
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery

payments motoralph:

• other
• wallet: Paypal
• credit card: Diners-club

seller motoralph:

• # reviews: 2473
• city: Coloma, Michigan
• rating: 100.0%

general motoralph:

• Motors > Parts Accessories > Other
• condition: New

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