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S-L-T
99 chain
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With its patented Super-Link-Technology and its high quality materials the Rohloff S-L-T 99, used by professionals and amateurs, for racing and leisure, is the ideal chain to cope with the great strains imposed by cycling today. It runs smoothly and dependably in combination with all 8- and 9-speed gear shifting systems, even under extreme conditions. With the new, more technically advanced drivetrain developments, chains, chainrings and cassettes now last substantially longer, reducing the overall costs. The Rohloff S-L-T 99 is the perfect complement to all transmission systems. Rohloff has manufactured the S-L-T 99 chain since 1988, since then it has been to the Tour de France and World Championship bike races. Many consider the S-L-T 99 the finest chain available. Its features include: |
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| The Rohloff S-L-T 99 chain is available in the following configurations: | ||||||||||||||||||||||||||||||||||
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Maximum
Durability Perfect
gear shifting |
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| Super-Link-Technology (Patent No. US 5,140,806 and EP 0396701) | ||||||||||||||||||||||||||||||||||
| The special feature of this technology lies in the trichoide form of the integral bushings on the pin link plates which can basically be described as a regular triangle with curved sides. In contrast to the contact area of conventional chains stressed in a straight line, here the rollers (Detail A) and the pins (Detail B) rest against the integral bushings over a surface area of 120 degrees in the direction of the force. Therefore, the maximum force of pressure is only a fraction in comparison with other chains, increasing the durability of the Rohloff S-L-T 99 substantially. | ||||||||||||||||||||||||||||||||||
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Detail of the S-L-T 99. |
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On the opposite side, there is enough space created between pin and integral bushing to allow the pin to move up to 2 degrees sideways (Detail B). Because of specially formed pin link plates (the ones with the Rohloff logo) the maximum torsional deflection is limited to 90 degrees per meter. This sideways flexibility guarantees very quick and precise gear shifting with all systems, especially IG, Hyperglide, Superglide, MicroDrive and CompactDrive. Thanks to the large contact area of the rollers and pins, the construction is extremely robust with minimal distortion or flattening under heavy load. Unlike conventional chains which can stretch up to 1/10 mm per link under heavy load, the Rohloff S-L-T 99 keeps its pitch virtually constant. This reduces the wear of the sprockets and chain rings is which is particularly important for expensive light alloy sprockets and IG, Hyperglide, Superglide, MicroDrive and CompactDrive cassettes. |
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In Pursuit of the Highest Quality The Rohloff SLT-99 is produced in Germany using only the best materials by a dedicated team of bike enthusiasts. The stainless steel pins and the rollers are plated with an extremely hard chrome-carbide coating to withstand the greatest strain. In order to maintain a constant thickness and to assure a smooth, even sidewall, the rollers are rolled from precision band steel. The nickel-plated surface of the link plates improves the gliding characteristics and protects them against corrosion. Pins and rollers are absolutely rust-proof. Each chain is inspected individually and comes with a specific control number. If necessary, with this number the whole production process can be traced beginning with the raw steel all the way to the final check of the chain. It is recommended that the Rohloff Revolver chain tool be used to join the chain as this will insure that the chain has been joined to factory tolerances. |
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Technical Specifications: Rohloff S-L-T 99
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Rohloff chains are currently out of stock whilst Rohloff services the 'Green Monster' we will update this page when the chains are available
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© Puresports NZ Ltd 2005