That is a headset spanner, they are not designed for removing the fixed cup of a bottom bracket. The correct tool is a vice.
Well it used to fit my bb tool (32mm) and has plenty of leverage, you can see why i gave it a try. I've use it successfully many times in the past. I don't have a large enough adjustable spanner or a vice. Time to get one.
What i'm worried about is damaging the frame if I use it for leverage. I am going to need to use more force than is required to destroy a good quality headset spanner. After all modern frames are often only strong in the places their designers want them to be
Well it used to fit my bb tool (32mm) and has plenty of leverage, you can see why i gave it a try. I've use it successfully many times in the past. I don't have a large enough adjustable spanner or a vice. Time to get one.
What i'm worried about is damaging the frame if I use it for leverage. I am going to need to use more force than is required to destroy a good quality headset spanner. After all modern frames are often only strong in the places their designers want them to be