说明

• Description: Made of positive plastic, lightweight, practical and sturdy To protect the chain falling down and grab Adjustable clamp size: 32–42mm Perfect for entrance derailleur Please be aware that it is only for SINGLE SPEED chain Comes with one mounting screw Package Includes: 1 Piece Bike Chain Guide Note: Please enable barely distinction because of guide measurement Thanks Please note that it is only for unmarried chain

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