Square Taper Bottom Brackets

NIB/NOS(*) Shimano Dura Ace FC-7400 Crankset + Bottom Bracket: 170mm 52/40t (Shop Wear, Installed once)

The 7400 crank is a favorite for 1980's high end road bikes with Japanese components.  These were made from 1984-1988. It is nearly identical to the later FC-7402, who's only difference is SLIGHTLY narrower spacing between the rings to accomodate 8...

NOS Phil Wood Pro Titanium / Magnesium Bottom Bracket: 108mm JIS - BSA Rings - Tool (NEW)

Rare top shelf "Pro" version of the venerable Phil Wood sealed cartridge bottom bracket. This is the PW-BB-M2 which combines a special titanium spindle and magnesium cartridge shell. The ti spindle is lighter and stiffer in this magnesium/ti version vs...

NIB/NOS Sugino 75 NJS Bottom Bracket Spindle: 109mm x 68mm - ISO - BB-SG75 - MS-68 MW-68LP

The Sugino 75 spindle is an ISO taper, compatible with all ISO cranks (Dura Ace, later Campagnolo, etc).  Condition New in sealed oem packaging Details 109x68mm ISO square taper

NIB/NOS Shimano XTR M900 BB-UN71 Square Taper Bottom Bracket: 107mm x 68mm

High end XTR bb-m900 gruppo bottom bracket. 107mm was the stock length for the XTR FC-M900 to get a 47.5mm chainline Condition New in retail box, pristine.  Details 107x68mm English threads JIS square taper

NIB/NOS Campagnolo Nuovo Record #1046/A Bottom Bracket: 114.5mm X 68mm English (Take off)

BB for 1977-1987 Nuovo Record Strada crankset, at 114.5mm long English threads.  Rifled thick cups.  The spindle is a world logo.   Condition New old stock, take off.  It was installed on a show bike, and then removed before...

NOS Specialized Flag Bottom Bracket Spindle: 124.5mm x 73mm - Triple - Square Taper - 1980's - 1990's

This BB spindle is a mid 1980's version to work with the Specialized Flag crank among others. Works with most cup and cone bottom bracket cups. Condition New old stock, no box. Some shop wear Details 124.5mm x 73mm JIS square taper Markings: K-8

NIB/NOS Specialized Bottom Bracket Spindle: 122.5mm x 73mm - MTB Triple - Square Taper - 1980's - 1990's - Bolts

This BB spindle is a late 1980's to early 1990's version. It is a 122.5mm length, for many triple mountain bike cranks such as Shimano XT M730/M735/M739 / Deore / LX / DX, Specialized Pro, etc. Works with most cup and cone bottom bracket cups...