NOS Shimano "Dura-Ace" Square taper Bottom Bracket Cups with english thread (BSA) sole Scheint kleine Risse an der

Scheint kleine Risse an der Unterseite zu haben

8mm bar clamp size from the 1960s - 1970s  (for french frame

Steuerrohr / head tube:  10

das Verlängerungsrohr #793/4 um den Hebelsarm zu erweitern fehlt

6 with included shims)

NOS Shimano "Dura-Ace" Square taper Bottom Bracket Cups with english thread (BSA) sole Scheint kleine Risse an derWeight Gewicht : 87 g Thread Gewinde : 1,37" x 24T. (ENG) Production period Produktionszeitraum : ?? Condition Zustand: New old Stock (NOS) with signs from storage, see pictures Neue alte Lagerware mit Lagerspuren, siehe Bilder Note Bemerkung : These Shimano Cups are absolutly idetentical in construction to the #1370200 and #1370400 which had been used on all Dura Ace Road and Track assembly from the 1970s to mid 1980s such as first Gen Dura Ace, Dura