Square Taper Bottom Brackets

Mavic 610 FIXE Floating Bottom Bracket: 116mm - ISO (EXC)

The legendary Mavic BB is a unique piece.  It's cups do not have threads, and is often called a "floating bottom bracket".   It is ideal for a frame which has damaged bottom bracket threads.  This requires special tools for installation...

Velo Orange Grand Cru Cartridge Square Taper Bottom Bracket: 110.5mm x 68mm English (Near Mint+)

High quality and affordable cartridge BB Condition Near mint barely used shape. Buttery smooth  Details Threads: English Length: 110.5mm JIS taper

NIB/NOS Shimano Deore XT BB-M730 Bottom Bracket (No Cups): 122.5mm Spindle + Bearings/Bolts/Washers/Accordian

Original XT BB, just missing the cups! This cup and cone bottom bracket ran from 1987 through 1993.  In 1994, they went to sealed cartridge units. Condition New in stock in retail package, never mounted Details length: 122.5mm JIS

Phil Wood Bottom Bracket: 113mm x 68mm English Cups - ISO - 1970's 1980's (Near Mint+ Perfect Bearings)

Phil Wood is a legend in the bottom bracket and hub market, you simply can't get any better parts.  This is an earlier model with the simple cylindrical shell from the 1970's to mid 1980's.  Taper is ISO for your Campy, TA, Stronglight, etc...

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...

FSA Ultimax Titanium Square Taper Bottom Bracket: 113mm x 73mm - 2000's MTB (Near Mint)

Lightweight and affordable ti BB from FSA circa early 2000's. Condition Near mint lightly used shape, buttery bearings Details 113x73mm JIS square taper

NOS Syncros Hardcore Titanium Bottom Bracket: 113mm x 68/73mm English (Take-Off)

This is a mid 1990's to very early 2000's sealed cartridge ti bb from Canadian legend Syncros.  This was made by the original Syncros of Canada, before they sold out to GT.  Quite rare! Condition New old stock, installed on a show bike and...

Grafton Speed Case Titanium Bottom Bracket: 3DV Purple! 117.5mm (Near Mint)

The rare and legendary Speedcase BB from the 1990's was matched to Grafton's Speed Stix and Joystix cranks as well as aftermarket to add even more ano to cranks like the Kooka Kranks, Caramba Double Barrel, Race Face I-Beam, Topline, Cook Brothers...

Prototype Sampson Stratics Titanium Bottom Bracket: Square Taper - 122.5mm (Near Mint+)

Sampson made some fine bottom brackets in the 1990's.  This is a prototype of the Stratics model circa late 1980's or very early 1990's.  It has a standard spindle type, the switch to the wildly shaped spindle center had not occurred yet...

NOS Suntour Superbe Pro BB-SB11 Bottom Bracket: 112mm x 70mm - Chrome Bolts (Take-Off)

These are one of the nicest square taper brackets made in the 1980's and 1990's.  It's cups feature deeply inset rubber seals to protect the bearings.  Includes chrome Suntour logo mounting bolts Condition New old stock, take off! Spindle...

NOS Erickson Titanium Bottom Bracket: 156g! 122mm x 68mm Square Taper - Vintage 1990's - RARE

This is one of the ultimate square taper bottom brackets to come out of the 1990's aerospace era! It weighs a scant 156 grams, and sold for the insane price of $200 from roughly 1995-1998.  It uses a spindle stiffening method similar to Sampson and...