To tighten a double D-ring helmet, thread the strap through both D-rings, then back through one D-ring, and pull it snug.
Here's a step-by-step breakdown:
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Thread the strap: Take the end of the helmet strap and pass it through both D-rings. Make sure the strap is lying flat and not twisted.
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Loop it back: Now, take the end of the strap and thread it back through only one of the D-rings. Which D-ring doesn't typically matter, but it’s best to pass it through the one that allows the strap to lie flatter against your neck and provides the most comfortable fit.
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Pull snug: Gently but firmly pull the strap to tighten it. The goal is to have the helmet snug enough so it doesn't move around excessively on your head but not so tight that it restricts breathing or causes discomfort. You should not be able to easily pull the helmet off with the strap fastened.
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Secure the excess strap: Most helmets have a snap or other retaining device to secure the excess strap length. Use it to keep the loose end from flapping around while you're riding.
Important Considerations:
- Fit Check: After tightening the strap, try to roll the helmet off your head by pushing upwards on the back of the helmet. If the helmet comes off, tighten the strap further.
- Comfort: Ensure the strap isn’t pinching your skin or causing any discomfort.
- Regular Checks: Check the D-rings for wear and tear regularly. Replace the helmet if the D-rings are damaged.
