TeamObsidian Bike Helmet Size Chart
1. Achieve the perfect fit by measuring your head circumference correctly.
2. Watch the video below to see how to measure your head correctly.
3. VIDEO: How To Measure For A Bike Helmet
4. On the chart below, find the helmet model that you are interested in, then find your head measurement to see which size you need.
TeamObsidian Bike Helmet Size Charts
TeamObsidian Adult Bicycle Helmet
| Model | S/M | M/L | L/XL |
|---|---|---|---|
| Airflow | 53 – 57 cm | 57 – 61 cm | 61 – 65 cm |
| 20.8″ – 22.4″ | 22.4″ – 24 | 24 – 25.6″ |
TeamObsidian Kids FunWave Bicycle Helmets
| Model | Toddlers | Children Aged 5-7 | Children Aged 5-8 |
|---|---|---|---|
| Pink Octopus | 48 – 52 cm | 50 – 54 cm | |
| 18¾” – 20½” | 19¾” – 21¼” | ||
| Blue Shark | 48 – 52 cm | 50 – 54 cm | |
| 18¾” – 20½” | 19¾” – 21¼” | ||
| Unicorn | 48 – 52 cm | 50 – 56 cm | |
| 18¾” – 20½” | 19¾” – 22″ | ||
| Dragon | 48 – 52 cm | 50 – 56 cm | |
| 18¾” – 20½” | 19¾” – 22″ |