My guess would be frame designers take into an account strength the bb area of the frame is to be used with a bash guard....
Impact.on that is taken by the spindle...
I would only use your adapter for a top chain guide if it were my frame...$.02
Sent from my KB2007 using Tapatalk
Impact.on that is taken by the spindle...
I would only use your adapter for a top chain guide if it were my frame...$.02
Sent from my KB2007 using Tapatalk