Quick Summary
The OnBros XT-11 is a bright white adult cycling helmet with a stated head-size range of 56-61 cm. It has a fit-adjustment dial, adjustable chin straps, a magnetic buckle and a removable washable lining. A matching carry bag is also stated as included.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and colour | XT-11 in Bright White. |
| Stated fit range | 56-61 cm. Compare your head measurement with this range before choosing. |
| Construction | PC shell and EPS foam are specified. |
| Fit adjustment | An adjustment dial and adjustable chin straps are listed. |
| Ventilation | 14 vents and breathable mesh padding are specified; these details do not establish a particular cooling performance. |
| Lining | The inner lining is removable and washable. Check any care instructions before washing. |
| Buckle | A magnetic buckle is specified. Check that its fastening and release suit your needs. |
| Certification claim | The listing states CPSC and CE certification. Check the helmet’s markings and supporting details for your intended use. |
| Included item | A matching helmet carry bag is stated as included. |
What to Compare Before Buying
- Fit: Check that your head measurement falls within the stated 56-61 cm range. Follow the product’s fitting instructions when adjusting the dial and straps.
- Fastening: Consider whether the magnetic buckle suits you and check how it fastens and releases.
- Certification: If you need a particular certification, check the product markings and supporting details rather than relying only on the listing claim.
Compatibility, Size and Fit
The stated size is one size, for head measurements from 56 to 61 cm. The listing provides no fit range beyond these measurements. Check the fit and fastening according to the product instructions before riding.
What Is Included
The stated set contains the OnBros XT-11 helmet and a matching carry bag.
Before You Decide
Confirm that your head measurement is within the stated range, that the dial and buckle suit you, and that the helmet’s certification details meet your needs. Check the selected set for the carry bag if you want it.











