> Message: 1
> Date: Sun, 13 Sep 2009 12:24:14 -0700
> From: verktyg <verktyg@aol.com>
> Subject: Re: [CR] Swiss bb kluge
> To: Michael Howard <95rivieramike@gmail.com>,
> <Classicrendezvous@bikelist.org>, <verktyg@aol.com>
> Message-ID: <4AAD46DE.5080003@aol.com>
> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed
>
> Mike,
>
> "is it possible to re-tap that frame to English threads???"
>
> A ham fisted hammer mechanic could do anything but it's not recommended
> because metric BB threads are 1.378" in diameter vs. 1.370" for British
> and 1.375" for ISO. Also the thread pitch is 25.4 TPI for metric vs. 24
> TPI for the inch sizes.
>
> To add to what others have said about Phil Wood BB, they not only make
> Swiss lock rings (cups) but they still make 26 TPI rings to fit old
> Raleigh BBs.
>
> Chas. Colerich
> Oakland, CA USA
>
> Michael Howard wrote:
>
>> I have never done this but is it possible to re-tap that frame to English
>> threads??? I would think so.
>>
>> Mike Howard
>> Santa Fe Springs CA
> <snip>
>
>
>
Is possible to ream and retap to Itialian threads. But I would go with a Phil first.
Andrew R Stewart
Rochester, NY