D.I.D. M520X120RB 520 Standard Non-Sealed Motorcycle Chain 120 Links

The D.I.D. M520X120RB is a 520 pitch standard roller drive chain designed for motorcycles up to 250cc. This non-sealed chain features 120 links with a natural roller bushing (RB) construction, making it an economical choice for light-duty motorcycle applications.

Key Specifications:

• Chain Size: 520 pitch, 120 links
• Tensile Strength: 6,700 lbs
• Maximum Engine Size: 250cc
• Pin Length: 0.689 inches
• Pin Diameter: 0.2 inches
• Inner Plate Thickness: 2mm
• Outer Plate Thickness: 2mm
• Weight: 3.12 lbs per 100 links (approximately 3.74 lbs for 120 links)
• Chain Life Index: 100 (industry standard)

This non-sealed chain is ideal for smaller displacement motorcycles, dirt bikes, and ATVs where cost-effectiveness is a priority. The standard roller construction provides reliable power transfer without the added cost of O-ring or X-ring sealing technology. Regular lubrication is required to maintain optimal performance and chain life.