Sportsmith Blog

Which Bottom Bracket Tool Do I Need?


This video highlights two different bottom bracket styles and the required service tools. There are two different styles of tools used to remove the bottom brackets on most indoor cycles. The ISIS (International Splined Interface System) version has 8 notches.

The square tapered shaft version has 20 notches To determine which tool you need, look at the bottom bracket and count the notches in the cup. The video shows an example of both styles, side by side for comparison.

Shop all bottom bracket tools for you indoor cycles.



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