Fludity, smoothness, and noise reduction: the 5.5mm Chorus(TM) chain fully meets the quality and performance standards of the 11-speed(TM) groupsets.
The strength of the treated steel links is absolute, and the Ultra-Link(TM) closure system guarantees safety and the long life of the chain.
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Width 5.5 millimetres
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Ultra-Link(TM) fastening system
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External links in special new steel
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Ni-PTFE anti-friction treatment
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2.24g /link
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CHORUS™ 11s chain
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CN9-CH1
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