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Shimano BB-UN300 Bottom Bracket - English, 68 x 107mm Spindle, Square Taper JIS
Shimano BB-UN300 Bottom Bracket - English, 68 x 107mm Spindle, Square Taper JISShimano

Shimano BB-UN300 Square Spindle Bottom Brackets Fits JIS square-taper cranksets Crankarm fixing bolts sold separately Hollow spindle … read more

your price $16.99

BuyBuyPART NUM 328389
#66 Bearing Retainer  5/16" x 10 - Individual
#66 Bearing Retainer 5/16" x 10 - Individual

Ball bearing retainer for loose ball bottom brackets. #66 retainer for use with 24TPI cranks … read more

your price $2.25

BuyBuyPART NUM 198680
Interloc Racing Design QB55 Cartridge BB JIS - 68x113mm
Interloc Racing Design QB55 Cartridge BB JIS - 68x113mm

High quality sealed cartridge bearings with steel cups Traditional square JIS 2-degree taper crank-arm interface 68/73mm … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $34.99 + ships free

BuyBuyPART NUM 597796
Enduro Ceramic BB90/BB95 Kit for SRAM/Truvativ Cranks
Enduro Ceramic BB90/BB95 Kit for SRAM/Truvativ Cranks

Enduro Bottom Brackets Kit includes 2 ceramic hybrid bearings and 2 seals For use with SRAM/Truvativ GXP cranks Left bearing uses Enduro's … read more

StarStarStarStarStar 3.7 of 5 ( 3 ) 3.7 of 5 stars average ( 3 reviews )

your price $94.76 + ships free

BuyBuyPART NUM 706008
Truvativ PowerSpline Cartridge BB, PS - 68E/73x113mm
Truvativ PowerSpline Cartridge BB, PS - 68E/73x113mm

PowerSpline (PS): heat treated CrMo spline-taper spindle with M8 (crank mount) thread bore and CNC machined alloy cups/spacer-shell: (325g) … read more

your price $26.00

BuyBuyPART NUM 482994
FSA Platinum 68x118mm ISIS Bottom Bracket
FSA Platinum 68x118mm ISIS Bottom BracketFull Speed Ahead

FSA Platinum ISIS bottom brackets Forged, hollow CroMoly spindle with titanium nitride coating unless noted MegaQuad: 2x double-row, deep-groove … read more

StarStarStarStarStar 4.5 of 5 ( 2 ) 4.5 of 5 stars average ( 2 reviews )

your price $66.00 + ships free

BuyBuyPART NUM 456597
Wheels Manufacturing BSA English Threaded Bottom Bracket - DUB Spindle, ABEC-3 Bearing, Black
Wheels Manufacturing BSA English Threaded Bottom Bracket - DUB Spindle, ABEC-3 Bearing, Black

Machined aluminum bearing cups thread in to a standard BSA frames. Provides a solution for running a 29mm SRAM DUB crankset in a BSA threaded frame … read more

your price $114.50 + ships free

BuyBuyPART NUM 458388
Easton EC90 SL Crank Spindle, 30mm
Easton EC90 SL Crank Spindle, 30mm

30 x 129mm … read more

your price $89.99 + ships free

BuyBuyPART NUM 856074
Shimano Hollowtech II Bottom Bracket Spacer 1.8mm
Shimano Hollowtech II Bottom Bracket Spacer 1.8mmShimano

Shimano Hollowtech II parts … read more

your price $2.52

BuyBuyPART NUM 171040
Sunlite Bottom Bracket 3U
Sunlite Bottom Bracket 3USunlite

Variable widths Left: 35mm Center: 52mm Right: 40.5mm Length: 127.5mm Overall: 148.5mm … read more

your price $8.00

BuyBuyPART NUM 823999
Praxis Works Shimano Mountain BB30/PF30 Conversion BB 73mm
Praxis Works Shimano Mountain BB30/PF30 Conversion BB 73mm

Shimano and SRAM BB30/PF30 conversion bottom brackets Shimano: designed to be a proper bottom bracket for installing Shimano Hollowtech II steel … read more

your price $75.00 + ships free

BuyBuyPART NUM 182390
Kogel Bearings BSA-24 (road) Alloy Bottom Bracket - Black
Kogel Bearings BSA-24 (road) Alloy Bottom Bracket - Black

High quality hybrid ceramic bearings with specially designed cups to allow for the smoothest and longest lasting bottom brackets BSA-24: … read more

your price $205.00 + ships free

BuyBuyPART NUM 624263
Sunlite SL55 70x127 Square Taper JIS Bottom Bracket - Italian
Sunlite SL55 70x127 Square Taper JIS Bottom Bracket - ItalianSunlite

Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 Alloy 290-300g … read more

your price $34.39

BuyBuyPART NUM 270638
Wheels Manufacturing BB86/92 Shimano Bottom Bracket with ABEC-3 Bearings Black Cups - Threaded
Wheels Manufacturing BB86/92 Shimano Bottom Bracket with ABEC-3 Bearings Black Cups - Threaded

Two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame Directly replaces all OEM BB86/92 bottom … read more

your price $110.00 + ships free

BuyBuyPART NUM 102705
Truvativ/SRAM Giga X Pipe Italian cupset
Truvativ/SRAM Giga X Pipe Italian cupsetSRAM

GXP bottom brackets for SRAM and Truvativ GXP integrated spindle cranks Giga X Pipe (GXP)- An external bearing system with 3D forged, heat treated … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $41.00 + ships free

BuyBuyPART NUM 115460
RaceFace CINCH BB124 Bottom Bracket: 41mm ID x 124mm Shell x 30mm Spindle, Double Row Bearing, External Seal
RaceFace CINCH BB124 Bottom Bracket: 41mm ID x 124mm Shell x 30mm Spindle, Double Row Bearing, External Seal

Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. Double seals for extra protection from the elements … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $89.99 + ships free

BuyBuyPART NUM 597184
FSA BB-8420ST PowerDrive 73x113 Bottom Bracket
FSA BB-8420ST PowerDrive 73x113 Bottom BracketFull Speed Ahead

Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel … read more

your price $27.00

BuyBuyPART NUM 151308
Wheels Manufacturing 30mm ID x 5mm Crank Spindle Spacer
Wheels Manufacturing 30mm ID x 5mm Crank Spindle Spacer

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play. Can be used to take up any slack when using 30mm spindle cranks … read more

your price $5.95

BuyBuyPART NUM 409304
Cane Creek Hellbender 70 Bottom Bracket - T47, for 24mm Spindle
Cane Creek Hellbender 70 Bottom Bracket - T47, for 24mm SpindleCane Creek

Offering the best in both value and performance, the Cane Creek Hellbender 70 Bottom Bracket will be an impactful and lasting upgrade to any bike. It … read more

your price $124.99

BuyBuyPART NUM 808721
Shimano

"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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Sunlite

"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"

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SRAM

"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."

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Cane Creek

"The world's best choose Cane Creek. A key element of Cane Creek's mission is to support the sport of cycling, including racing, charitable activities and cycling advocacy. Cane Creek believes strongly in the power of bicycles and their potential to effect positive change in our society. To that end, Cane Creek supports athletes and teams whose purpose encompasses more than competitive racing, such as getting more people on bikes, improving or promoting a healthy lifestyle, and making our world better through the use of a bike."

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Surly

Surly is a leading manufacturer of bicycle frames, and was one of the first Fat Bike manufacturers.

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Campagnolo

"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."

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CeramicSpeed

"Upgrading your hubs, bottom brackets and pulleywheels will give you exactly what you need. CeramicSpeed bearings reduce friction, improve power transfer and have greater longevity."

Learn more about CeramicSpeed

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Tange

Almost one century ago,in 1920,Yasujiro Tange founded a company that would become one the most iconic in bicycle industry. He gave this conpany his family name, and made it famous all over the world. Tange first produced forks and CrMo frame tubes. It quickly became synonymous of high japanese quality. During the golden ages of CrMo bikes,for road racing,and moreover BMX and MTB, Tange was considered as the best tubing maker by the biggest bikes brands, as well as be spoke frame builders. Today, CrMo is coming back and the new generation of Tange people decided to pay tribute to the man who wrote history by creating their own bike brand called Yasujiro. Yasujiro aims to show the way for modern CrMo bikes, a perfect combinaison of tradition and modernity for cyclists who want to (re) discover the unique taste of rinding steel.

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Industry Nine

"Industry Nine hubs are handmade in Asheville, NC"

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Dimension

Dimension makes quality components to repair or custom-fit the vast majority of bikes being ridden today, and provide the accessories that make them fun to ride.

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Tange-Seiki

Tange Seiki is a third generation company. Sato Tange, son of Tange Seiki's founder Michiaki Tange and Yosujirou Tange's grandson joined Tange Seiki in 1984 and became president in 2000. Sato's eldest son, Eisuke, nicknamed "Ace", has joined the company and carries on Tange Seiki's commitment to Japanese excellence and standards. No matter where Tange Seiki products are manufactured, they are all made to the precise Japanese standard. This philosophy, to produce the highest quality parts to the highest standards, has been passed from one generation to another and will continue to guide Tange Seiki for generations to come.

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Saltplus

Ridden by everyone around the world, from BMX PRO's to newcomers, the Saltplus collection brings the latest technology and modern designs down to an affordable price point without sacrificing quality.

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We The People

"W-T-P have always taken a lot of pride in ourselves and in building bikes that are capable of taking everything a rider throws at them. We are constantly at the forefront of developing and manufacturing materials that will with stand hard and furious riding and our designs are made to combat common breaks and bends."

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Eclat

"Simplicity is the hardest design principle to follow; It's at the heart of our approach to eclat."

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Cult

Cult makes high quality BMX bikes and components.

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Answer

Answer BMX makes BMX racing components.

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Tioga

"Whether getting faster requires lighter components, components to give you greater control, or something else, Tioga will keep tweaking and innovating to find it."

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In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

These models are available for online purchasing and can be shipped directly to you.

Length

The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.

Bottom brackets must fit the frames interface type. For example, an english threaded bottom bracket can only be installed on a frame that accepts english threading.

This is the part number or identifier for this item from the manufacturer

Praxis M30 crank spindle specific 30mm drive bearing/28mm nondrive bearing. Requires M30 socket tool or M30 wrench for installation and removal.

GXP is a SRAM standard. The cranks have a 24mm spindle on the drive side and a 22mm spindle on the non-drive side.

Our Lowest Price - This product is ineligible for additional discounts or rebates.

DUB is a SRAM standard, which stands for Durable Unified Bottom bracket. DUB cranks have a 28.99mm spindle.

FSA’s MegaExo spindle is 24mm in diameter, uses a “Square Spline”. FSA Spline Patterns

FSA’s MegaExo Light spindle is 24mm in diameter, uses an “Arc Spline,” and is used on K-Force Light, SL-K Light, and the Team Issue cranks. FSA Spline Patterns

Shimano Hollowtech II is Shimano's 24mm spindle standard.

RaceFace EXI bottom brackets are for 24mm spindle cranks.

RaceFace CINCH bottom brackets are for 30mm spindle cranks.

Splined Bottom bracket specific to FSA Power Drive Cranks.

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.