Quick Summary
The SIFVO road bike helmet is an adjustable cycling helmet for head circumferences of 55-58 cm. It includes a magnetic quick-release buckle, a flexible adjustment dial and a lightweight 280 g build.
The helmet is described with a PC outer shell, an impact-absorbing EPS core, 14 airflow vents, integrated insect mesh and a removable soft liner. It is positioned for road cycling, city cycling and daily commuting.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Road bike helmet for cycling use. |
| Brand | SIFVO. |
| Size range | Adjustable for head circumferences of 55-58 cm, so the fit should be checked against the rider’s measurement. |
| Weight | 280 g stated weight. |
| Fastening | Magnetic quick-release buckle and quick-adjust trapezoid fastened buckle. |
| Ventilation | 14 airflow vents with integrated insect mesh. |
| Liner | Removable soft liner for cleaning. |
| Construction | PC outer shell with impact-absorbing EPS core and in-mould fusion construction. |
What to Compare Before Buying
- Head size: This model is for 55-58 cm. Compare that range with your head circumference before choosing an offer.
- Fastening style: The helmet uses a magnetic quick-release buckle and a quick-adjust trapezoid fastened buckle. Check that this is the style you want.
- Ventilation: It has 14 airflow vents with insect mesh. Compare that with how much airflow and coverage you prefer for cycling.
- Liner care: The soft liner is removable, which matters if you want to clean the inside regularly.
Who This Product May Suit
This helmet may suit riders looking for a road bike helmet in the 55-58 cm range with adjustable fit features and a magnetic buckle. It is also relevant for buyers who want a cycling helmet described for city cycling, road cycling and daily commuting.
When to Consider a Different Option
A different option should be considered if your head circumference falls outside 55-58 cm, or if you want a helmet with a different fastening style. Riders who need a different fit range should compare the size before buying.
Before You Decide
Confirm the 55-58 cm fit range against your head measurement before choosing an offer. Check that the magnetic buckle and strap system match the way you want to fasten a helmet. Review the removable liner and 14-vent layout against your comfort and cleaning preferences.









