Threaded external cup style bottom brackets are only easy to install if you do it correctly. In this video we show you the proper techniques needed to get the job done right.
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Here’s that link to our “How To Set Up Shimano Cranks Right” vid:
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Some handy links:
https://www.parktool.com/product/bott...
https://bike.shimano.com/en-EU/produc...