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|  | | | | Schwalbe Racing Ralph 29"2011 and 2012 Schwalbe 29" Racing Ralph, the optimal competition tyre. Still hungry for success, it has a new tread design and compounds. Cuts like a knife through the toughest terrain. More aggressive too: Holds a tight line in curves with its new sharks-tooth U-Blocks. Perfect for fast cross country & marathon races. Schwalbe has optimized the inner strength of its 29er MTB tyres: In 2011 and 2012 all top models will have new, Triple Star compounds. It is a modular system whereby individual compounds are cleverly combined. All 2011/2012 29" EVO versions are now 'Tubeless Ready'. Simply by adding a liquid puncture sealant they can be made into Tubeless tyres.
PLEASE NOTE the ORC and wired versions are not tubeless ready tyres.
- Each 29" Triple Star compound consists of three unique compounds.
- All Triple Compounds have the same, extremely elastic base compound under the tread that makes the tyres fast. All other desired properties are achieved by placing a special compound in the tread centre and on the tyre shoulders - a different one for each intended purpose.
More info here -> Schwalbe site and Tubeless Ready - NOTE: When converting lightweight tubeless-ready MTB racing tyres to tubeless, the process can take up to 3 days of consistent sealing and sealant will seep from the sidewalls of the tires. LIGHTWEIGHT MTB racing tyres are inherently thin in the sidewalls and will require extra care.
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TUBELESS READY
Can be mounted (with sealant) on UST or non-UST rims with appropriate rim strip and valve.
Tubeless Ready tyres can be mounted as 'normal' with a tube or without a tube. If they are fitted without a tube, they MUST have sealant inside.
TL Tyres that are fitted without a tube are porous by nature and will not hold air without sealant, and indeed may take a day or two for the sealant to fully seal the carcass, more info here ->
http://www.schwalbe.com/gbl/en/technik_info/tubeless_ready/
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