Fidlock Twist Dirt Cap - Trans Black

The Fidlock Twist Dirt Cap is a replacement valve bottle cap and dirt cover designed specifically ...

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eBayFidlock Twist Dirt Cap Replacement Bottle Cap - Trans Black
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Leisure Lakes BikesFidlock Twist Bottle Dirt Cap Only Translucent Black
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Product Information

Full details

The Fidlock Twist Dirt Cap is an essential accessory for mountain bikers and gravel riders who use Fidlock TWIST hydration systems. It serves as a protective barrier that keeps your bottle nozzle free from mud, trail debris, and dust, ensuring your water remains clean during off-road excursions. While it provides excellent protection for the valve, riders should note that this is a specialized component designed exclusively for the TWIST series, meaning it will not fit standard water bottles.

All features

Model Part NumberWBFLZDCK
BrandFidlock

Extended Product Information

FAQs

Will this fit a standard round water bottle?

No, this is specifically designed for the Fidlock TWIST bottle valve cap system.

Is the dirt cover dishwasher safe?

Hand washing with warm water and mild soap is recommended to preserve the integrity of the plastic.

Does this cover leak?

The dirt cover is a protective guard, not a pressure seal for the bottle itself. It prevents external contamination of the mouthpiece.

Can I use this on a 450ml bottle?

Yes, this accessory is fully compatible with the TWIST 450, 590, and 800 models.

What should I do if the cap becomes loose?

Check for any deformation in the plastic or obstructions in the mounting groove. If damaged, the unit should be replaced.

Troubleshooting

Cap does not snap on securely

Ensure the valve cap is correctly seated on the bottle and clear of any debris or obstructions in the mounting tabs.

Cap feels stiff to open

Clean the hinge area with fresh water to remove any fine dust or grit that may be causing friction.

Pros and Cons

Pros

  • Prevents mud and grit buildup on the drinking valve
  • Easy to install and remove on existing TWIST bottles
  • Durable and weather-resistant design
  • Compatible with the entire TWIST bottle ecosystem

Cons

  • Not compatible with non-Fidlock bottle brands
  • Small part that can be misplaced if not handled carefully
  • Provides protection only for the valve area

Setup, Compatibility & Care

To install the dirt cap, ensure your existing TWIST valve cap is clean and free of residue. The cover snaps directly over the valve assembly. Compatibility is limited to Fidlock TWIST 450, 590, and 800 bottles. For maintenance, it is recommended to rinse the cap regularly with warm, soapy water to prevent any buildup of dried mud in the hinge or internal seal. Avoid using harsh solvents that may degrade the plastic material.

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