Chain Sprocket Kit - Alloy - Black/Gold

Features & Benefits

• Race-ready performance chain and sprocket kit for selected motorcycle applications.
• Supersprox lightweight alloy rear sprocket designed to reduce rotating weight.
• Supersprox steel front sprocket for strength and durability.
• EK 420SH heavy-duty, non-sealed performance chain designed for motocross and off-road riding.
• Lightweight SH chain construction offers reduced drivetrain weight compared with conventional heavy-duty designs.
• Reinforced chain construction provides improved wear resistance over standard non-sealed chains.
• Non-sealed chain design eliminates O-ring and X-ring seal friction.
• Ideal for smaller-capacity motocross, dirt bikes and off-road motorcycles using 420 pitch chain.
• Optional gearing and sprocket colour changes available on request.

Kit Contents

• 1 x Supersprox Lightweight Alloy Rear Sprocket
• 1 x Supersprox Steel Front Sprocket
• 1 x EK 420SH Heavy Duty Non-Sealed Chain

EK 420SH Chain Information

The EK 420SH is a lightweight, heavy-duty non-sealed racing chain developed for smaller-capacity motocross and off-road motorcycles.

Unlike O-ring or X-ring chains, the 420SH uses a non-sealed design that minimises friction and rotating weight, making it particularly suitable for performance-focused off-road applications.

The reinforced SH construction offers improved wear resistance compared with standard chains while maintaining a lightweight design.

• Chain Series: EK 420SH
• Chain Pitch: 420
• Chain Type: Heavy Duty / Non-Sealed
• Application: Motocross / Off-Road Racing
• Tensile Strength: 23.1 kN
• Weight: Approximately 0.91 kg per 100 links
• Maximum Recommended Off-Road Engine Capacity: 150cc

Important Information

Specific kit contents, chain length and front and rear sprocket tooth counts are detailed in the listing short description for each motorcycle application.

Optional gearing and sprocket colour changes may be available on request. Please contact us before purchasing to discuss available combinations.

Non-sealed chains require regular cleaning, lubrication and tension adjustment, particularly in dusty, muddy or wet conditions.

Disclaimer

Image example only - sprocket design, colour, tooth count and chain appearance may vary depending on motorcycle application.

Please confirm your motorcycle make, model and year before purchasing.

Correct chain installation, alignment, tension adjustment and regular maintenance are essential for safe operation.

Please contact us for any further specifications, gearing options or fitment assistance.