Lixada 1pc 11t13t rear derailleur guide cnc aluminum alloy pulley jockey wheel disc sealed bearings pulley replacement
Featuresr high tensile steel bearing with rubber dust seal and cnc aluminum alloy wheelr reduce friction increase stiffness enhance durability for long user used on rear derailleur for chain transportation and speed changingr a replaceable 4mm bushing is included the 5mm one is configuredr please refer to the size carefully before you buy it
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