Hollowtech 1 bottom bracket

[The_Big_Commute]

Id like to replace the bottom bracket on my old bike, i believe it's a hollowtech 1. It's splined but it's also hollow like this

https://flic.kr/p/L9Sogy

 

[Moqi]

Re: bb

You need to get the old one out first to check the size, as the LX cranks used a variety of bb lengths . It will be shimano octalink v2