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Bearing Swap - 2020 Santa Cruz Tallboy (4th Gen)
Santa Cruz provides free bearings for the life of your frame - so you should probably take advantage of that, whether you own a Tallboy, Hightower, Nomad, or any other from the SCB stable.
A DIY Tragedy in III Acts
Yeti SB150 Bearing Swap - How To and How Not To
This will serve as a cautionary tale about inattention and complacency, but you can probably use it to help do an SB150 bearing swap...