Merckx Corsa Extra BB help.

Stick Legs

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Hello!

My Merckx is coming back from paint soon & I need a BB for it.

Italian threaded BB so 70mm shell, Shimano 600 (tricolore Ultegra) 6400 cranks can anyone tell me what length BB axle I will need?

Hopefully this is not an un-trodden path!

Cheers,

Peter.
 
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I would have assumed 113mm from memory.
Velobase says 113mm for a standard double or 115mm for a time trial symmetric setup.
So for your Merckx its a 113mm.
That's where Velobase helps, search for your component and it will tell you what bottom bracket size you will need.

Jamie
 
BB-UN-55 procured in 70x113 flavour.

Some how think that restoring the current generation of road bikes will not be this simple. :-D
 
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