![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
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Amazon.com : SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Sports & Outdoors
![Amazon.com : TRiPEAK Bottom Bracket BSA/ITA/C60/CR1/T47, with Steel Bearings for 24mm Shimano Hollowtech II Road/MTB Cranksets, Threaded BB Compatible with Trek, Giant, Specialized, Canyon, Campagnolo Frame : Sports & Outdoors Amazon.com : TRiPEAK Bottom Bracket BSA/ITA/C60/CR1/T47, with Steel Bearings for 24mm Shimano Hollowtech II Road/MTB Cranksets, Threaded BB Compatible with Trek, Giant, Specialized, Canyon, Campagnolo Frame : Sports & Outdoors](https://m.media-amazon.com/images/I/61LGNo4DdaS._AC_UF1000,1000_QL80_.jpg)
Amazon.com : TRiPEAK Bottom Bracket BSA/ITA/C60/CR1/T47, with Steel Bearings for 24mm Shimano Hollowtech II Road/MTB Cranksets, Threaded BB Compatible with Trek, Giant, Specialized, Canyon, Campagnolo Frame : Sports & Outdoors
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Tange 68 X 110mm Square Taper Bottom Bracket Cartridge JIS Bike Crank Bearings for sale online | eBay
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Amazon.com : BIKEHAND Bike Bicycle Crank Puller Crank Arm Bottom Bracket B.B. Removal Tool Kit for Mountain and Road Bikes with Square Taper Bottom Bracket and Splined ISIS Drive, Octalink : Sports
![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)