Bottom Brackets

External English (BSA) threaded bottom bracket for 68mm and 73mm shells. Enduro bearings and silicone seals for the most durable and smoothest bottom brackets available. Fully serviceable. Direct replacement for Shimano HollowTech II bottom brackets. Includes: (2) - Enduro Silicone dust seals (1) - 2.5mm...

Two machined aluminum cups offer increased durability and bearing life, while keeping a simple press together method for installation and maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Bearings: Enduro ABEC-3 Color: Black Bottom...

Fair condition. The exact identity and purpose of this part is a mystery, but it appears to be a bottom bracket from an antique tandem bicycle. The housing has both inner and outer bearing surfaces that would allow the whole unit to spin inside the frame bottom bracket shell as well as allowing the spindle...

The PowerSpline has a heat treated chromoly 12 spline spindle. 113mm length. For use with Sram/TruVativ PowerSpline cranks. Fits 68mm bottom bracket shell. TruVativ PowerSpline 113mm x 68mm Bottom Bracket

TruVativ's Howitzer XR Bottom Bracket is built tough for abuse. Sealed, oversize cartridge bearings are used to provide smooth action and extreme durability. For serious downhill-worthy strength, the Howitzer boasts CNC-machined aluminum cups and a chromoly spindle, too. 113mm length / 51mm chainline....

New old stock. 143mm overall length. 5/8 inch diameter. 11/16 inch threaded sections. Uses thread-on bearing races. For use with cottered cranks and American style press-in bottom bracket cups. Chrome steel construction. Sugino DF Cottered Threaded Bottom Bracket Spindle - NOS

Gutter Seal Technology drastically improves sealing against the elements while reducing seal drag. Mountain and road bike compatible. For use with Sram/TruVativ GXP 2-piece cranks. Fits 68mm and 73mm bottom bracket shells. English threads. Sram GXP English 68/73mm Bottom Bracket

New old stock. Mint condition. 125mm overall length. For use with Shimano Selecta proprietary splined cranks and bottom brackets. Shimano Selecta was a common but short-lived crank design from the late 1970s-early 1980s. Black. Shimano Selecta Bottom Bracket Spindle 125mm - NOS

New old stock. For use with Shimano Selecta bottom brackets. Left or right available - please select from drop-down menu. Shimano Selecta Bottom Bracket Cup Left or Right - NOS

New old stock. Includes cone, dust cap, locknut, and washer. For use with Shimano Selecta splined bottom brackets. Shimano Selecta Bottom Bracket Cone and Hardware - NOS

New old stock. 115mm length. For use with square taper cranks. Fits 70mm Italian bottom bracket shell. Includes crank bolts. Shimano BB-UN53 115mm Italian Cartridge Bottom Bracket

New old stock. 118mm length. For use with Octalink cranks. Fits 73mm bottom bracket shell. Shimano LX/XT level quality match. Shimano BB-ES70 118mm x 73mm Octalink Bottom Bracket - NOS

New old stock. 109.5mm length. For use with Octalink cranks. Fits 68mm bottom bracket shell. Shimano Ultegra level quality match. Shimano BB-6500 Ultegra 109.5mm x 68mm Octalink Bottom Bracket - NOS

Excellent condition. Lightly used. 113mm length. Includes spindle, cups, races, bearings, seals, lockring, and crank nuts. For use with square taper cranks. Fits 68mm bottom bracket shell. CrMo steel spindle. Manufactured Sept. 1987. Shimano 3H Bottom Bracket Spindle Cups Bearings

New old stock. 110mm length. 12mm diameter spindle. 22mm diameter cups/bushings. 8mm x 6mm crank mount flats. Fits 12in Rapido bikes from Czechoslovakia. Rapido Leather Bottom Bracket for 12in Children's Bike - NOS

New old stock. 150mm length. 5/8in diameter. Includes 2 frame bushings - 1 appears to be used. 3/4in OD bushings. Includes 3 circlips. Fits 1st generation Raleigh Tomahawk and other Raleigh late '60s-early '70s children's bicycles. Raleigh Tomahawk F.3 Bottom Bracket Spindle Bushings Circlips - NOS

New old stock. 126mm length. 5/8in diameter. 40mm - 52mm - 35mm sections. 3 different end styles: Solid. Small hole. Large hole. Select from drop-down menu.

New old stock. 142mm length. 5/8in diameter. 45mm - 60mm - 37mm sections. Fits Raleigh Tourist and others.

Fair condition. Tapers are good. Spindle has surface rust. Cartridge bearing is smooth but should likely be replaced. Bearing stop clips are intact. Includes lock ring and 1 crank bolt. 129mm spindle length. Appears to be for a 73mm bottom bracket shell. 36mm x 24TPI threading. JIS taper. Kajita Runners...

New old stock. Fits American 51mm MX bottom bracket shell. Accommodates 22mm crank spindle. Includes caps and spacers. ISK brand bearings. Aluminum cups, caps, and spacers. Part number 22-032. Eastern Bikes BMX American Sealed Bottom Bracket Bearing Set for 22mm - NOS

New old stock. DMR Wonder Cups allow you to use a standard English threaded bottom bracket in a press fit BMX or other American sized bottom bracket shell. Kit includes cups and mounting bolts. Made in the United Kingdom. DMR Original Wonder Cups Bottom Bracket Converter

Good condition. 120mm length. 3 sided taper. 51mm diameter cups. Bearing surfaces have some visible wear but run quite smoothly. Includes crank nuts, cups, bearings, races, and related hardware. 1940s vintage. CCM Triplex Complete Bottom Bracket Assembly 120mm

New old stock. 115mm length measured to the outside of the tapers. 3 sided taper. Early version that takes thread-on bearing races. Includes crank nuts. CCM Triplex 115mm Bottom Bracket Spindle - Early Version with Nuts - NOS

New old stock. 110mm length measured to the outside of the tapers. Late version with integrated bearing races. CCM Triplex 110mm Bottom Bracket Spindle - Late Version - NOS

Excellent condition. Very lightly used. 140mm overall length. 11/16 inch threaded sections. Includes thread-on bearing races and locknut. For use with cottered cranks and American style press-in bottom bracket cups. CCM Cottered Threaded Bottom Bracket Spindle with Cones Races

Good condition. 140mm length. 11/16in threaded sections. Includes thread-on bearing races, locknut, and bearings. For use with cottered cranks. Tapers are good. Bearing surfaces show light wear. CCM Cottered Threaded Bottom Bracket Spindle with Cones Races #2

New old stock. 140mm overall length. 11/16 inch threaded sections. Uses thread-on bearing races and American style bottom bracket cups. For use with cottered cranks. Finish is tarnished in places from age. Made in Canada. CCM 140mm Threaded Bottom Bracket Spindle - NOS

New old stock. Vintage Campagnolo. Fits 1in Record and other Campagnolo headsets. 20 balls per cage. 3/16in balls. Sold as a pair. Campagnolo Record 20 x 3/16 Ball Headset Bearings - NOS

Good condition. Vintage Campagnolo. 115mm spindle length. For 70mm bottom bracket shell. No pitting on the bearing surfaces. Tapers are good. Campagnolo 70-SS 115mm Square Taper Bottom Bracket Spindle

New old stock. Vintage Campagnolo. 30mm OD. 9 balls per cage. Sold as a pair. For standard cup and cone Campagnolo bottom brackets. Campagnolo 30mm 9-Ball Bottom Bracket Bearing Set - NOS