The Fatfish Biggie Replacement Chain is built to match the Shimano 7-speed 14–28T cassette and Shimano shifter used on the Biggie fat tyre e-bike. This 7-speed compatible chain ensures smooth gear changes, reliable power transfer, and long-lasting performance.

Made to Shimano standards, making it an easy replacement when your original chain shows signs of wear.

Key Features

• Genuine replacement chain for Fatfish Biggie fat tyre e-bike

• Provides smooth shifting and efficient power transfer

When to Replace

• Chain skips, slips, or shifts poorly

• Stretched or stiff links detected

• Rust, corrosion, or visible wear on the chain