J39 Stars Red / Blue / White
$159.99
- • High quality thermoplastic resin External Shell
- • 2 Shell Sizes
- • 3 EPS Sizes
- • J.1.E.R. Emergency Cheek Pad Removal System
- • Double D Retention System
- • New Inner lining fitting for a better comfort
- • Removable and washable inner lining
- • 8 Intake and 6 exhaust vents
- • Peak extension included
- • ECE Certification
- • DOT Certification
HIGH-QUALITY THERMOPLASTIC RESIN EXTERNAL SHELL
High-performance thermoplastics offer superior impact protection, durability, and heat resistance.Thermo resin helmets follow the same process as thermoplastic varieties yet require a curing agent (usually epoxy or polyurethane) to create the necessary chemical reaction for the plastic to harden.
ACRYLONITRILE BUTADIENE STYRENE
As a thermoplastic, ABS can be heated to 221 degrees Fahrenheit (105 °C) melted and easily injection molded or 3D printed into finished shapes. From a performance standpoint, ABS is attractive in that it has high impact resistance, functions well in cold weather and is, simply put, quite tough.
EMERGENCY CHEEK PAD REMOVAL SYSTEM
Rapid response, in case of accident, is an essential factor in minimalizing damage to an injured rider. JUST1 has analyzed main features of helmets in order to optimize this important element.
SHELL SIZES & WEIGHT
| Shell Sizes | Helmet Sizes | Weight |
|---|---|---|
| Small Shell | XS – L | 1430 +/- 50g |
| Large Shell | XL – XXL | 1330 +/- 50g |
HELMET SIZE CHART
| Helmet Size | CM | IN |
|---|---|---|
| X-Small | 53 – 54 | 20 ⅞ – 21 ¼ |
| Small | 55 – 56 | 21 ⅝ – 22 |
| Medium | 57 – 58 | 22 ½ – 22 ⅞ |
| Large | 59 – 60 | 23 ¼ – 23 ⅝ |
| X-Large | 61 – 62 | 24 – 24 ⅜ |
| XX-Large | 63 – 64 | 24 ¾ – 25 ¼ |
HIGH-QUALITY THERMOPLASTIC RESIN EXTERNAL SHELL
High-performance thermoplastics offer superior impact protection, durability, and heat resistance.Thermo resin helmets follow the same process as thermoplastic varieties yet require a curing agent (usually epoxy or polyurethane) to create the necessary chemical reaction for the plastic to harden.
ACRYLONITRILE BUTADIENE STYRENE
As a thermoplastic, ABS can be heated to 221 degrees Fahrenheit (105 °C) melted and easily injection molded or 3D printed into finished shapes. From a performance standpoint, ABS is attractive in that it has high impact resistance, functions well in cold weather and is, simply put, quite tough.
EMERGENCY CHEEK PAD REMOVAL SYSTEM
Rapid response, in case of accident, is an essential factor in minimalizing damage to an injured rider. JUST1 has analyzed main features of helmets in order to optimize this important element.
SHELL SIZES & WEIGHT
| Shell Size | Helmet Size | Weight |
|---|---|---|
| Small Shell | XS – L | 1430 +/- 50g |
| Large Shell | XL – XXL | 1330 +/- 50g |
HELMET SIZE CHART
| Helmet Size | CM | IN |
|---|---|---|
| X-Small | 53 – 54 | 20 ⅞ – 21 ¼ |
| Small | 55 – 56 | 21 ⅝ – 22 |
| Medium | 57 – 58 | 22 ½ – 22 ⅞ |
| Large | 59 – 60 | 23 ¼ – 23 ⅝ |
| X-Large | 61 – 62 | 24 – 24 ⅜ |
| XX-Large | 63 – 64 | 24 ¾ – 25 ¼ |
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