Originally Posted by HillRider
Makes no difference. The non-drive side of ANY and ALL bottom brackets are right-hand threaded.
Only the drive side threading varies among English, Italian, French and Swiss bottom brackets.
True, and therefore all BB lockrings have standard RH threads. The trick is to avoid putting French lockrings (35mm x 1mm = 1.378" x 25.4TPI) on English/ISO cups (1.375" x 24TPI = 34.925mm x 1.058threads/mm) or vice-versa; it may work OK, but it may damage the threads or come loose.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069