ITEM NAME:New Motorcycle Parts 520 520H O- Chain Connecting Master Link 2x Description: Fitment: This chain is suitable for 520 520H Chain Motorcycle. -High Quality Material, Heavy Duty -Easy Installation -Precise Forging process leads to a stiff chain for better acceleration and more efficient engine work. -Lightening hole allows for a lighter chain without compromising strength while removing mud and dispersing heat more efficiently. -Improvement in transmission efficiency. Special pin with holes in both ends allow the chain to be lightened. -Edge-cut inner plate reduces friction and allows for smooth engagement with sprocket. Specification: -Style: Rivet -Chain Size: 520 520H -Size: Approx.10x10mm/0.4x0.4inch Package Includes: 2 Pieces O Ring Master Link Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. SKU: DMO0019343519516343.Chain Size: 520 520H. -Style: Rivet. Special pin with holes in both ends allow the chain to be lightened. 2 Pieces O Ring Master Link. -Precise Forging process leads to a stiff chain for better acceleration and more efficient engine work.