DESCRIPTION
The JUST1 J39 Adult X-Large MX Helmet - Reactor Yellow / Blue is a lightweight off-road helmet built around a durable thermoplastic resin outer shell with extensive ventilation and rider-focused safety features.
This X-Large version fits a 61-62cm head circumference and features the original Reactor Yellow / Blue graphic. The helmet is ECE 22.05 and DOT homologated.
Key Features
~ ECE 22.05 homologated
~ DOT homologated
~ High-quality thermoplastic resin outer shell
~ 2 external shell sizes across the range
~ 2 EPS sizes across the range
~ J.1.E.R. Emergency Cheek Pad Removal System
~ Double-D ring retention system
~ 8 intake and 6 exhaust vents
~ Improved inner liner fitting for rider comfort
~ Fully removable and washable inner lining
~ Intermediate oval shell shape
~ Peak extension included
~ Designed for motocross and off-road riding
~ Reactor Yellow / Blue graphic
Ventilation & Off-Road Design
The J39 features an extensive ventilation system with eight intake vents and six exhaust vents, helping move air through the helmet during demanding motocross and off-road riding.
Its thermoplastic resin outer shell provides a durable foundation, while the dedicated MX peak provides the distinctive off-road profile.
J.1.E.R. Emergency System
JUST1 equips the J39 with its J.1.E.R. Emergency Cheek Pad Removal System.
The system is designed to allow the cheek pads to be removed separately following an accident, helping facilitate helmet removal in an emergency.
A proven Double-D ring retention system secures the helmet while riding.
Removable & Washable Interior
The J39 features a fully removable and washable inner lining, making it easier to keep the helmet clean after hot, dusty or muddy rides.
The interior fitting was also developed to provide a comfortable and secure fit for off-road riding.
Specifications
~ Brand: JUST1
~ Model: J39
~ Graphic: Reactor
~ Product Type: Adult MX / Off-Road Helmet
~ Shell Material: Thermoplastic Resin
~ Shell Sizes: 2
~ EPS Sizes: 2
~ Size: X-Large
~ Head Circumference: 61-62cm
~ Ventilation: 8 Intake / 6 Exhaust Vents
~ Retention: Double-D Ring
~ Emergency System: J.1.E.R.
~ Shell Shape: Intermediate Oval
~ Interior: Removable & Washable
~ Certification: ECE 22.05 / DOT
~ Colour: Yellow / Blue
Why Choose the JUST1 J39?
The J39 Reactor combines a durable thermoplastic shell with extensive 8-intake / 6-exhaust ventilation, Double-D retention, emergency-release cheek pads and a fully washable interior.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $7.99 for Urban and $12.99 for Rural Shipping.
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!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $19.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Any goods purchased from Motozone can be returned within 30 days of receipt for refund or exchange.
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.
For the returns process contact or phone Motozone with your invoice number and the reason for return. We will then email you the correct form for processing.