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Item: 3PCS 31T Steel Gear Teeth: 31 Teeth Material: alloy metallic Bearing Type: 608Z/608RS (We will send randomly, please refer to the particular products received) Outer Diameter:31 Teeth: 38mm Thickness: eleven Bearing Hole Diameter: 608 bearing hole= 7 Note: 1 The genuine color of the object may be barely diversified from the images shown on web page brought on by many points such as brightness of your visual display unit and light brightness 2 Please allow slight manual dimension deviation for the data






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