![Making sense of bottom brackets, part 1: Introduction and threaded types | the accidental randonneur Making sense of bottom brackets, part 1: Introduction and threaded types | the accidental randonneur](https://i.imgur.com/bJ8nAu7.jpg)
Making sense of bottom brackets, part 1: Introduction and threaded types | the accidental randonneur
![Square taper to hollowtech. I am going to switch to hollowtech and im not sure how to get the size of the bottom bracket I used to have a 120mm square taper Square taper to hollowtech. I am going to switch to hollowtech and im not sure how to get the size of the bottom bracket I used to have a 120mm square taper](https://preview.redd.it/square-taper-to-hollowtech-i-am-going-to-switch-to-v0-srtic636dvr81.jpg?width=640&crop=smart&auto=webp&s=3c4b3e8a1e4db40caef7d2fcc9fda6ba87a42486)
Square taper to hollowtech. I am going to switch to hollowtech and im not sure how to get the size of the bottom bracket I used to have a 120mm square taper
![Are square taper bottom brackets good - 3 comparisons between square taper and Hollowtech II - restoration.bike Are square taper bottom brackets good - 3 comparisons between square taper and Hollowtech II - restoration.bike](https://www.restoration.bike/wp-content/uploads/2020/12/SM-BB52.jpg)
Are square taper bottom brackets good - 3 comparisons between square taper and Hollowtech II - restoration.bike
![Are square taper bottom brackets good - 3 comparisons between square taper and Hollowtech II - restoration.bike Are square taper bottom brackets good - 3 comparisons between square taper and Hollowtech II - restoration.bike](https://www.restoration.bike/wp-content/uploads/2020/12/BB-UN55.jpg)