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Asymmetrical jockey wheel, NW, LT, 12T, green, stainless steel bearing, narrow wide, long teeth, for 11S/12S, Shimano & Sram compatible
801927
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Stainless steel bearing, for 11S/12S, Shimano & Sram compatible. Due to the asymmetrical attachment of the upper shift roller is possible for cassettes with 9er sprocket a better wrap.
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