![SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Amazon.co.uk: Sports & Outdoors SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/51PPpbGvVfL.jpg)
SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Amazon.co.uk: Sports & Outdoors
![Full CERAMIC BEARING BB Shell 68mm 73mm BOTTOM BRACKETS Applicable to 22/24mm Sram GXP Shimano R8000 - AliExpress Full CERAMIC BEARING BB Shell 68mm 73mm BOTTOM BRACKETS Applicable to 22/24mm Sram GXP Shimano R8000 - AliExpress](https://ae01.alicdn.com/kf/S32d5456533be406c8c184154dba4c9e9Y.png_640x640.png_.webp)
Full CERAMIC BEARING BB Shell 68mm 73mm BOTTOM BRACKETS Applicable to 22/24mm Sram GXP Shimano R8000 - AliExpress
![I put a 73mm spindle in 68mm shell to convert to 1x. Other than a wonky q-factor is this solution for a kind of crap chain-line ok? : r/bikewrench I put a 73mm spindle in 68mm shell to convert to 1x. Other than a wonky q-factor is this solution for a kind of crap chain-line ok? : r/bikewrench](https://i.redd.it/kxr5q9ebgof81.jpg)
I put a 73mm spindle in 68mm shell to convert to 1x. Other than a wonky q-factor is this solution for a kind of crap chain-line ok? : r/bikewrench
![SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Amazon.co.uk: Sports & Outdoors SHIMANO Square Type Bicycle Bottom Bracket - BSA 73MM, Spindle: 122.5MM (LL123) - EBBUN300C23X : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/51PPpbGvVfL._AC_UF894,1000_QL80_.jpg)