english/italian thread

allezscotia

Could somebody please refresh my grey matter and tell me how to spot difference between english/italian threads on bottom brackets?

I think its 1.37 for italian but can't remember getting old and more stupid these days :?

broachboy

ISO/English, 1.37 in x 24 TPI, Cup Outside diameter:34.6-34.9 mm Left-hand thread drive side, Shell width: 68 mm (73 mm Oversize), Shell Inside Diameter 33.6-33.9 mm

HTH

broachboy

:oops: Italian, almost forgot...

Italian, 36 mm x 24 TPI, Cup Outside Diameter: 35.6-35.9 mm Right-hand thread both sides, Shell Width: 70 mm, Shell Inside Diameter: 34.6-34.9 mm

allezscotia

Thanx for that

broachboy

allezscotia wrote:

Thanx for that

No worries Thats what we're here for, to help other forums members out

dennisn

Italian threads are from hell, is another way of telling. At least that's what they used to say.

Dennis Noward