Zefal Z Liner Tyre Strip - 19mm
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Merlin CyclesZefal Grey Z Liner Tyre Strip - / Road / 19Mm
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Product Information
Full details
The Zefal Z Liner Tyre Strip is an ideal accessory for road cyclists looking to minimize downtime caused by flat tyres, providing a robust physical barrier that sits between the inner tube and tyre casing. While it excels at shielding against glass, thorns, and road debris, users should note that it adds a marginal amount of rotating weight compared to a bare inner tube setup. These 19mm liners are specifically engineered for 700c and 27-inch wheels, offering a straightforward, high-durability solution for commuters and long-distance riders alike.
All features
| Model Part Number | ZPP203 |
|---|---|
| Brand | Zefal |
Extended Product Information
FAQs
Will this liner fit my 29-inch mountain bike tyres?
No, this 19mm version is specifically designed for 700c and 27-inch road tyres.
Do I need to use glue or adhesive to keep the strip in place?
No, the air pressure from the inner tube holds the Z Liner firmly against the inside of the tyre.
Can I reuse these strips if I change my tyres?
Yes, the liners are durable and can be removed and transferred to a new set of tyres.
Do these protect against pinch flats?
These liners are primarily designed to prevent punctures from sharp objects, not pinch flats caused by low pressure.
Will the liner affect my tyre's performance or rolling resistance?
While there is a slight increase in weight, the impact on rolling resistance is minimal for most road riding applications.
Troubleshooting
Tyre feels lumpy or uneven after installation.
Deflate the tyre and re-check that the liner is centered and lying flat against the inside of the casing without any folds.
Difficult to reseat the tyre bead.
Ensure the inner tube is not pinched between the liner and the tyre bead, and verify that the liner is pushed deep into the center of the tyre.
Pros and Cons
Pros
- Significantly reduces the frequency of flat tyres
- Easy, non-permanent installation process
- High-durability material prevents debris penetration
- Compatible with a wide range of road tyres
- Lightweight enough to not significantly impact handling
Cons
- Adds minor weight to the wheel assembly
- Installation requires removing the tyre and tube
- Does not protect against side-wall punctures
- Careful alignment is required during installation to avoid shifting
Setup, Compatibility & Care
Installation of the Zefal Z Liner is straightforward. First, deflate the tyre completely and remove one bead from the rim to access the inner tube. Remove the tube, then position the Z Liner strip inside the tyre, ensuring it is centered directly beneath the tread area. Once the liner is in place, slightly inflate the inner tube just enough to give it shape, insert it back into the tyre, and reseat the tyre bead onto the rim. Ensure the liner does not overlap or fold over itself during this process, as this could lead to an uneven ride or internal chafing. The strips require no maintenance; simply inspect them for proper alignment whenever you perform routine tyre changes or tube replacements.