Join Date: Jul 2000
Bikes: 1959 Capo; 1980 Peugeot PKN-10; 1981 Bianchi; 1988 Schwinn KOM-10;
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 42 Post(s)
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.
"Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1981 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069