Seller notes

Feature:428 represents the chain model, 18T is the number of gears, 20mm is the size of the mounting hole.Please verify the model number and size prior to ordering to ensure this is the correct part for your motorcycle.Directly replace the old worn gears to make the motorcycle works normally and is easy to install.Specification:Material: SteelColor: Titanium ToneEye to Eye Center Length: 34mm/1.34"Mounting Hole Diameter: 20mm/0.79"Gear Inner Diameter: 17.5mm/0.69"Sprocket Size: 77x6mm / 3.03"x0....

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