NIB/NOS Shimano Dura Ace BB-7400 Bottom Bracket: 112mm x 68mm - NJS - Road/Track - English

This BB is what you need for Dura Ace 7400, 7402, 7403, etc crank arms.  The 7400 bottom bracket is a JIS low profile spindle, meaning it will work with pre-1994 Campagnolo ISO cranks.   The only bottom bracket choice for top level...

NIB/NOS Shimano XT/Ultegra BB-UN73 Square Taper Bottom Bracket: 107mm x 68mm English

Like running square taper cranks, but tired of the bottom bracket weight?  This XT/Ultegra BB is nearly 100g lighter than the standard UN-52!  Sealed bearings, hollow spindle, buttery smooth. Condition New old stock, untouched...

NIB/NOS Shimano XT/Ultegra BB-UN73 Square Taper Bottom Bracket: 115mm x 68mm English

Like running square taper cranks, but tired of the bottom bracket weight?  This XT/Ultegra BB is nearly 100g lighter than the standard UN-52!  Sealed bearings, hollow spindle, buttery smooth. Condition New old stock, untouched...

NIB/NOS Shimano Deore XT BB-M730 Bottom Bracket: 117.5mm x 68mm

This cup and cone bottom bracket ran from 1987 through 1993, though this shorter 117.5mm was only in the catalog with the XT FC-M730 through 1990.  I'm not sure what if anything caused this change.  In 1994, they went to sealed cartridge units...

Shimano Dura Ace BB-7400 Bottom Bracket Cups & Seals: English (Almost NOS)

Pair of cups from the DA 7400 BB. No lockring Condition Near mint or better almost NOS (take off?).  Only some very minor tool wear.   Details Threads: English 1.37 x 24

NOS Suntour Superbe Pro BB-SB11 Bottom Bracket Spindle: 112mm - Square Taper

This 112mm spindle was from the late 1980's to early 1990's Superbe Pro group.  Condition New old stock, minor shop wear. Details  112mm 

TA Bottom Bracket: 114.5mm x 68mm - For Double - #344 Spindle - #710 Cups (EXC+)

This vintage Specialties T.A. BB features a 114.5mm spindle to fit double cranks such as Pro 5 Vis Cyclotouriste and Pro 3 Attaches. Condition Excellent or better lightly used shape. Cups look very nice with just microscratching, a few chrome chips on...

Campagnolo C-Record Bottom Bracket: 111mm x 70mm Italian - 70-SP - Alloy (Near Mint+ Low Miles)

The last and greatest traditional cup and cone square taper bottom bracket Campy ever made.  The 111mm spindle is required for both C-Record Strada road and Pista track cranks.  It also fits Croce d'Aune, Chorus, Athena, Centaur, Daytona,...

NIB/NOS Campagnolo Nuovo Record 1046/A Bottom Bracket: 114.5mm X 68mm English - 1980's

BB for 1977-1987 Nuovo Record Strada crankset, at 114.5mm long English threads.  Rifled thick cups.  The spindle is a world logo, and has a higher level of polish than most NR spindles. This indicates it's a late-production version after 1984...

Campagnolo Record 9/10sp Carbon Square Taper Bottom Bracket: 102mm x 68mm English (Near Mint)

The best of the best if you run a Campy Record/Chorus double square taper crank.  It has a carbon shell, is the lightest square taper Campy bottom bracket ever made, and is well sealed for super durability.  This came with the 9 speed Record...

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

BB for 1977-1987 Nuovo Record Strada crankset, at 114.5mm long English threads.  Rifled thick cups.  The spindle is a world logo, and has a higher level of polish than most NR spindles. This indicates it's a late-production version after 1984...

Suntour XC Pro BB-XP00-E Bottom Bracket: Bolts - 125mm x 68mm - WTB Grease Guard (Near Mint+)

Suntour's top of the line BB was a work of genius.  It incorporated WTB's Grease Guard, which allowed you to "repack" your bottom bracket without so much as removing your crank!  They're highly sought after by collectors and riders alike for...

NIB/NOS Specialized 1984 Flag Bottom Bracket Cup Set: Square Taper - English (Sugino)

This bottom bracket was released with the 1984 Specialized Racing "Flag" crankset.  It was made by Sugino, and is interchangeable with the common Sugino BB spindles.  This set was sold without a spindle, and was intended to be bought separately...

NOS Shimano XT/Ultegra BB-UN71 Square Taper Bottom Bracket: 115mm x 68mm (take off?)

Nice square taper BB from the XT and 600/Ultegra tri-color group.  Buttery smooth and long lasting Condition New old stock, take off.  A touch of ano marks on the cup outer flange from tools.  No crank spindle interface marks! ...

Shimano Dura Ace Square Taper Bottom Bracket: BB-7410 103x68mm (MINT Low Miles)

Top of the line square taper bottom bracket.  Matches great to your Dura ace FC-7400 or FC-7410 crank, or any other square taper crank that needs a 103mm (or 102mm).  Bearings are very high quality in this model. Condition Mint barely used...

Specialized CB-2 Bottom Bracket For 1984 Flag ST Crankset: 120mm x 68mm - Square Taper - Sugino (Near Mint)

This bottom bracket was released with the 1984 Specialized Racing model ST "Flag" crankset.  It was made by Sugino, and is interchangeable with the common Sugino BB spindles.  This 120mm spindle (exact measurement is 19.75 via digital calipers)...

Specialized 1984 Flag Bottom Bracket: 119mm x 68mm - Square Taper - Sugino (Near Mint)

This bottom bracket was released with the 1984 Specialized Racing "Flag" crankset.  It was made by Sugino, and is interchangeable with the common Sugino BB spindles.   Condition Near mint very lightly used shape.  The cups show no...

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...

NIB/NOS Mavic 616 Press-Fit Bottom Bracket: 122mm

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...