This replacement primary chain is crafted specifically for your Heavy Hitter Ultra Bee Primary Kit, offering a direct fit to keep your bike performing at its best. Designed with reduced rotational resistance in mind, this Japanese-made Fire Power 520 nonsealed chain is built for durability and efficiency, allowing smooth and consistent power transfer without the extra drag associated with o-ring chains.

Perfect for riders who prioritize performance, this chain has been tested under demanding conditions, proving its reliability on EBMX FIM E-Xplorer race team bikes. Ideal for those seeking a high-performance, low-maintenance solution, this chain supports efficient riding with minimal resistance, making it the ideal replacement choice.

Features

• 520 Non-sealed Chain: Designed to minimize rotational mass and maximize efficiency
• Master Link Included: Allows for straightforward installation and future chain swaps
• Proven Quality: Used by professional riders, ensuring a tested and trusted chain replacement

Fitment

Heavy Hitter 520 Primary chain replacement chain for Ultra Bee