At DMG Motorsports, we present the RK EXCEL 420MXZ Drive Chain, a heavy-duty mini racing chain designed for mini MX and SX racing. With Chromoly steel construction, seamless rollers and bushings, and oversized special alloy pins, this chain delivers a strong, race-ready option for off-road applications.

Features:

• 420 x 120 drive chain
• Heavy-duty MXZ mini racing chain for mini MX and SX racing
• Chromoly steel construction
• Seamless rollers and bushings
• Oversized special alloy pins for added strength
• Tensile strength: 4,980 lbs
• Maximum 150cc off-road rating
• Maximum horsepower: 30 HP
• Maximum chain width: 17.2mm
• Clip-type master link included