Z1R Ace Liner — Large / 18mm Replacement Helmet Liner for Ace Transit & Ace Transit Royale
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Z1R Ace Liner — Large, 18mm | Replacement Liner for Ace Transit & Ace Transit Royale Helmets
Restore the perfect fit of your Z1R Ace Transit or Ace Transit Royale helmet with this genuine replacement liner. The 18mm padding thickness delivers a balanced combination of cushioning and impact absorption, keeping your helmet snug and stable on every ride — whether you're commuting or carving corners.
Fully interchangeable across helmet sizes 2XS–M and L–2XL, this liner lets you dial in your fit without buying a new helmet. Installation is tool-free and takes minutes, so you can get back on the road fast.
Specifications
- Brand: Z1R
- Part Number (MPN): 0134-0318
- Size: Large
- Thickness: 18mm
- Compatible Helmets: Z1R Ace Transit, Ace Transit Royale
- Interchangeable Sizes: 2XS–M and L–2XL
- Sold: Each
Key Features
- OEM-spec replacement liner — maintains original safety and ergonomic standards
- 18mm cushioning for optimal impact absorption and all-day comfort
- Interchangeable fit system for a custom, head-specific feel
- Durable, high-quality materials built for long-term use
- Tool-free installation — quick swap between rides
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