O'NEAL DEFENDER NOVA helmet, black/blue
- Lightweight All Mountain/Enduro helmet with 2 shell sizes.
- O'Neal Fidlock® magnetic closure for easy on and off with one hand.
- Weight: 380 g (±25 g).
- Size adjustment with new micro-adjustment closure system including reflective sticker.
- Simple adjustment of the straps for a perfect individual fit.
- Sweat-absorbing and skin-friendly padding, removable and washable (hand wash).
- Oversized vents for maximum airflow and cooling.
- Adjustable and removable visor.
- Exceeds EN1078 safety standard for bicycle helmets.
Sex | Men, Women, Unisex |
Colour | black, blue |
Helmet features | Reflective elements, Removable/adjustable visor |
product ID | 259851 |
Defender and Matrix
Size | XS-M | L-XL |
---|---|---|
Head circumference (cm) | 54 - 58 | 58 - 61 |
Dirt Lid
Size | M-L | L-XL |
---|---|---|
Head circumference (cm) | 55 - 59 | 58 - 61 |
Orbiter
Size | XS-S | ML | XL-XXL |
---|---|---|---|
Head circumference (cm) | 53 - 56 | 57 - 60 | 61 - 64 |
Outcast
Size | XS/S/M | L/XL |
---|---|---|
Head circumference (cm) | 52 - 58 | 58 - 62 |
Pike
Size | S/M | L/XL |
---|---|---|
Head circumference (cm) | 55 - 58 | 58 - 61 |
Q RL
Size | XS-M | L-XXL |
---|---|---|
Head circumference (cm) | 53 - 58 | 58 - 63 |
Thunderball
Size | XXS-S | M-XL |
---|---|---|
Head circumference (cm) | 52 - 57 | 57 - 61 |
Trailfinder
Size | S-M | L-XL |
---|---|---|
Head circumference (cm) | 54 - 58 | 59 - 63 |

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