Universal Parts #40 Roller Chain: 3ft Length for Mini Bikes

Heavy-Duty Drive: #40 Metric Roller Chain (3ft)

Reliably transfer power to your wheels with the Universal Parts #40 Roller Chain. This is the heaviest chain size typically utilized in the small-engine powersports world. Whether you are building a custom go-kart or restoring a vintage pocket bike, this 3-foot section provides a durable, high-tensile solution for high-torque applications.

Technical Performance Features

• High-Tensile Strength: Engineered to handle the stress of 4-stroke engines and high-wattage electric motors without excessive stretching.
• Pre-Lubricated: Deeply saturated in high-grade chain lubricant during manufacturing to ensure smooth articulation and reduced friction right out of the box.
• Versatile 3-Foot Length: Provides ample material for most standard mini bike and scooter wheelbases, allowing you to cut the exact number of links required for your setup.
• Heavy-Duty Rollers: Designed to resist "peening" and wear, maintaining a precise pitch even under heavy off-road or track use.

Comprehensive Fitment Guide

The #40 chain is a common standard for "Big-Frame" mini bikes and utility vehicles, including:

Specifications

• Chain Size: #40 (Standard Metric)
• Pitch: 1/2" (12.70mm)
• Roller Width: 5/16" (7.95mm)
• Roller Diameter: 0.312" (7.92mm)
• Total Length: 3 Feet (36 Inches)

Mechanic's Note: #40 and #41 chains share the same 1/2" pitch but have different widths. Always measure your sprocket thickness before ordering; #40 chain is wider and meant for heavy-duty 5/16" sprockets. The supplier recommends using a Chain Breaker Tool for installation to avoid damaging the side plates.

SKU: 115-87-3FT
Brand: Universal Parts