"What spindle length do I need?"

Start here to understand chainline.

Then go here and here for suggested spindle length.

For older campy info go here.

  

"I have a "press fit Merlin, Klein, Fisher, Ritchey, Fat Chance and need a BB, please help"

It is up to you whether you are a shop or consumer to determine the spindle length.

See crank axle page in catalog for axle options.

Merlin will take our PWX03 bearings and the others take PW003.

Merlin instructions are here at the bottom of the page. Klein is here.

  

"I have an old Phil hub and want to know if you can convert to a different spacing"

In almost all cases the answer is yes. Pricing and instructions for receiving a RA# are here