PAX Cap
PAX Cap
PAX Cap
PAX Cap
Close-up of a motorcycle with a red fuel tank cover on a concrete surface.

PAX Cap

Regular price$25.00
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Shipping calculated at checkout.
  • Lifetime Warranty

Seal Your RotopaX. Keep It Clean.

Don’t need a nozzle attached? This is the clean, simple solution.

The Ai13 PAX Cap is CNC-machined from billet aluminum to give your RotopaX a strong, reliable seal—perfect for storage, transport, or keeping dirt and debris out.

Important Fitment:

  • Fits RotopaX cans made after 2013
  • Measure your can opening — smaller openings will require the Coarse Thread Cap
  • Designed for use without a nozzle attached



The Solid PAX Cap was designed for riders, racers, and overlanders who asked for a clean, straightforward way to cap their RotoPax cans. While our nozzles remain the go-to choice for fueling, this billet-aluminum cap offers an alternative for times you don’t need a spout.

Features:

  • CNC-machined from billet aluminum for unmatched durability

  • Threads directly onto RotoPax cans—no modifications needed

  • Provides a solid, secure closure for transport or storage

  • Great for keeping fuel sealed when a nozzle isn’t in use

  • 100% Made in the USA

Built to last, the Solid PAX Cap is another option in our lineup to give you the setup that fits your needs.

We do not recommend modifying any container from the way it was originally manufactured. MOST IMPORTANTLY, DO NOT REMOVE ANY FLAME SAFETY DEVICES PROVIDED BY THE ORIGINAL MANUFACTURER.

IMPORTANT NOTE: RotoPax does not endorse or authorize the use of any Ai13 products on any of their products. Ai13 is not affiliated, connected, associated, endorsed, or sponsored by the above-named manufacturers. They do not assume any liability for injuries caused by the use of Ai13 products. Our products should NOT be considered an official RotoPax cap, spout, and or nozzle replacement.


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