This is theMotoTec Universal Parts #428H OFFSET LINK, 115-48for chain marked 428H for Pocket bikes, ATVs, dirt bikes, and motorcycles.

Product Specifications:

• Pitch: 12.70 mm
  
• Roller Diameter: 8.51 mm
  
• Width Between Inner Plates: 7.75 mm
  
• Pin Diameter: 4.45 mm
  
• Pin Length: (L) 18.80 mm (Lc) 19.9mm
  
• Inner Plate Depth: 11.80 mm
  
• Plate Thickness: 2. 03mm
  
• Ultimate Tensile Strength: 20.60/4682 kN/LB
  
• Average Tensile Strength: 23.4 kN
  
• Weight per meter: 0.79 kg/m
• SKU: 115-48