The Bell Sidetrack II is a kids’ mountain bike helmet with extended coverage and a Fusion In-Mold polycarbonate shell. It combines 14 vents, an Ergo Fit adjustment system and a removable visor.
| Feature | Specification |
|---|---|
| Construction | Fusion In-Mold polycarbonate shell |
| Ventilation | 14 vents |
| Fit system | Ergo Fit |
| Visor | Removable Snap-In Visor |
| Strap adjusters | No-Twist Tri-Glides |
| Buckle | PinchGuard |
| Padding | Sweat Guide moisture-management padding |
| Catalog standard | US CPSC bicycle helmet standard, ages 5 and older |
| Size | Head circumference |
|---|---|
| UC / Universal Child | 47–54 cm |
| UY / Universal Youth | 50–57 cm |
Measure head circumference with a level tape measure and use the model-specific size guide. Check fit before use.