| Styles | Black |
|---|---|
| Brand | Unbranded |
| Type | Helmet Retention Head Locking Buckle |
| Material | Plastic |
| Item Weight | About 10g |
| Vintage | No |
Check the listing for details. Replacement Buckle Helmet Adjuster Rotate Knob Operation Hidden Button. Condition: New. Listed at 8.43 USD. Installation way: Rotate the knob to the maximum head circumference setting. Check that the pins and holes are aligned; the pin spacing is 22mm. Record the hole positions. Size: Approx. 22mm pin spacing.