AZSSMUK 420 Chain – Carbon Steel, 132-Link Kit + 5 Connecting Links for 110cc–125cc Dirt Bikes, ATVs, Scooters

Overview

The AZSSMUK 420 chain kit is designed for dependable power transfer on small-displacement machines. Crafted from durable carbon steel, this chain is built to resist the vibrations and torque typical of 110cc to 125cc engines, helping maintain smooth operation across rough trails and everyday commutes. The 132-link length paired with five connecting links gives you flexibility to tailor the chain length to your setup, whether you ride a dirt bike, ATV, scooter, or go-kart.

Key specifications

• Pitch: 12.70 mm / 0.5 inch
• Roller diameter: 7.77 mm / 0.31 inch
• Width between inner plates: 6.35 mm / 0.25 inch
• Pin diameter: 3.96 mm / 0.156 inch
• 132-link length (as listed in product title)

Included components

• 1x AZSSMUK 420 roller chain
• 5x 420 chain connector links

Compatibility and use

Links can be removed to fit virtually any application within the 50cc–125cc range, including ATVs, dirt bikes, go-karts, mini bikes, scooters, pit bikes, and quads. The kit is designed for straightforward field adjustments where quick length changes are helpful.

• Easy to customize by removing links for precise length
• Includes connector links to simplify reassembly

Potential benefits you may experience include reliable power transfer and compatibility across multiple small-engine machines, with a standard 420 chain format supporting common maintenance needs. Results can vary based on vehicle condition and riding style.

Maintenance tips

Follow your machine manual for proper tension and lubrication. Regularly inspect the chain for wear and replace worn components to maintain performance and safety.