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Merlin Cycles£64.95Visit shop Challenge Black/Tan Grifo Handmade Pro Tubular Cx Tyre - 28" - / / 28" / 33Mm / Tubular
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The Challenge Grifo is the gold standard for cyclocross riders seeking a versatile, high-performance tyre that handles everything from loose grass and mud to hard-packed dirt. It is designed for competitive racers who demand precision and suppleness, though it requires a specific tubular rim setup and professional-grade installation, making it less convenient for casual riders who prefer standard clincher systems.
| Release Year | 2019 |
|---|---|
| Model Part Number | CH-11706 |
| Brand | Challenge |
No, this is a tubular tyre designed exclusively for tubular-specific rims.
The Grifo is a great all-rounder; while not a dedicated mud tyre, its tread pattern performs exceptionally well in moderate mud and soft soil.
You should perform a visual check of the tyre-to-rim bond before every ride, especially if you have been riding in very wet or muddy conditions.
The tyre is supplied as a finished tubular; you may choose to add a latex-based sealant through the valve if desired for added puncture protection.
Pressure depends on rider weight and course conditions, but tubulars can typically be run at lower pressures, often between 20-30 PSI for cyclocross.
Latex tubes are porous; check the valve core for tightness and ensure there are no small punctures in the casing that require sealant injection.
Ensure the tyre is properly glued to the rim; a loose bond can cause the tyre to roll during aggressive cornering.
This is a tubular tyre and must be mounted on rims specifically designed for tubular applications. Installation requires high-quality rim cement or professional-grade tubular tape. Ensure the rim surface is clean and free of old glue residue before applying a new base layer. For storage, keep the tyres in a cool, dry, and dark environment to prevent the rubber compound from drying out. Periodically check the sidewalls for signs of wear and ensure the glue bond remains intact before every race event.
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