How to replace an external bottom bracket - video

The best way to replace an external bottom bracket - with walkthrough video

Knowing how to replace an external bottom bracket – such as Shimano Hollowtech II or FSA MegaExo – on your road or mountain bike can save you money on bike services and give you the satisfaction that only comes with home bike maintenance.

Changing bottom bracket bearings might seem like an expert task, but it’s actually very simple if you're using the right tools.

In the step-by-step video walkthrough below, BikeRadar’s James Tennant explains how to replace your Shimano Hollowtech II BB cups. Check out more BikeRadar videos on our YouTube channel.

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