Bottom Brackets

Shimano's Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models.

- Left and right bottom bracket cups with standard bearings for FSA MegaExo cranks - BB-9050 is for 24mm spindle 68/73mm MTB K-Force and Team Issue cranks - BB-8681 for K-Force Light (a non-ceramic option) and SLK Light Road MegaExo cranks (BB-8681 bearing covers have been redesigned so that the spindle now rides directly on the bearing itself) - BB-7000 is for 24mm spindle 68/73mm shell MTB Gravity Lite, Moto X and Afterburner cranks - BB-7000 is for 24mm spindle 83mm shell MTB Gravity Lite cranks - BB-6200 is for 24mm spindle 68mm shell Energy, Gossamer and Omega No Bolt Design cranks - BB-6000 is for 24mm spindle 68mm shell Energy, Gossamer and Omega cranks - BB-4000 is for 19mm spindle 69mm shell Omega cranks - BB-1000 is for 19mm spindle 68/73mm MTB Gamma cranks - 1.37" x 24tpi (English threads) or M36 x 24tpi (Italian threads)

Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit. - Designed specifically for gravel riding and racing to protect against water, mud & grit

Shimano's Dura-Ace Track Bottom Bracket features smooth-spinning, low-drag bearings for maximum power on the track. The Octalink spindle provides a stiff, high-efficiency platform for your next effort at the Hour Record. - Spindle length: 109.5mm - Shell width: 68/70mm

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

- Bottom brackets for e*thirteen XCX, TRS, and LG1 cranks. Also compatible with older Fifteen.G cranks (requires spacer and wave washer kit) - 7075-T6 black anodized cups with custom angular contact bearings - One year no questions ask - Model: EXA+ - Interface: P3 Connect - Shell: English - For installation of BSA bottom brackets, use e*thirteen BB tool (included with cranksets) or a 1-3/4" 12 point socket

- Hollowtech II bottom bracket, BSA, 68/73mm - Compatible with all mountain Hollowtech II cranks

The SRAM DUB™ bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB™ spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket specification. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket specification. - Easy installation - Outboard and inboard cup options to support your bike's spec. - Sealed cartridge bearings available in both stainless and ceramic versions SPECIFICATIONS: - BB-FRAME INTERFACE: T47 (85.5), T47 (Road and Road Wide) 68mm, T47 (Road and Road Wide) 77mm, T47 (Road Wide: 85.5mm), T47 (Road: 85.5mm) - CHAINLINE: n/a - SPINDLE LENGTH: n/a - SUPPORT E-TYPE FD: n/a - CRANK-BB INTERFACE: DUB - BEARING TYPE: Ceramic, Standard - SPINDLE DIAMETER: DUB - CUP MATERIAL: Aluminum, n/a

- T47 bottom bracket for Road and Road Wide Specs: - BB Shell Thread: T47 - BB Bearing: Steel - Crank Spindle Diameter: 28.99mm - Interface: DUB

- Ceramic bottom bracket for DUB spindle cranks Specs: - BB Bearing: Ceramic - Crank Spindle Diameter: 28.99mm - Interface: DUB

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Compatible with Cannondale Ai frames - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The Hellbender70 bottom bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance. - 440C stainless steel bearings, dual lip seal, marine grease - Machined aluminum cups

Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets

Our ThreadFit™ 30 bottom bracket is silky smooth and long-lasting thanks to our legendary, angular-contact bearings, both steel and ceramic, the best in the industry. They actually get faster over time as their contact surfaces wear, because we build them to ultra-tight aerospace tolerances, using machined, Delrin-spindle sleeves to create a perfect, and precise fit between cranks and frame. That’s where the low drag and butter smooth feel come from. You want this bottom bracket because it offers super low drag. You want this bottom bracket, because it can be opened, cleaned and repacked for years of faithful service. You want this bottom bracket, because you don’t want to think an awful lot about your bottom bracket. Our Threadfit™ 30 bottom brackets come in an array of beautifully anodized colors. They fit 30mm and DUB spindle cranks in BSA bottom bracket shells.

The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system

Downhillers and freeriders need tough gear that can handle the abuse of big air and huge drops. TruVativ's Giga Pipe Team DH Bottom Bracket uses four sealed cartridge bearings to provide smooth pedaling season after season. For serious strength, the Giga Pipe boasts CNC-machined aluminum cups and a stiff chromoly spindle, too.

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included

The Hellbender 70 bottom bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance. - 440C stainless steel bearings, dual lip seal, marine grease - Machined aluminum cups

The Hellbender 110 Bottom Bracket provides an incredible mix of performance and longevity through the inclusion of Enduro XD-15 ceramic bearings. These bearings feature nitrogen-infused stainless steel races that will not rust or corrode paired with Silicon Nitride ceramic balls. - PF30 for 30mm Spindles - Lifetime Guarantee

A variant of the external bottom bracket, PressFit cut weight by up to 40 grams and provide easier installation by allowing you to press the bearing cups into the frame instead of threading them. There's no change to the crank — spindle length and diameter remain the same. - BB Shell Width (mm): 104.5 mm , 107 mm

- Ceramic bottom bracket for DUB spindle cranks Specs: - BB Shell Type: PF30 - BB Shell Width: 68/73mm - BB Bearing: Ceramic - Crank Spindle Diameter: 28.99mm - Interface: DUB - Cup Diameter: 46mm

Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down. This GXP100 bottom bracket matches SRAM's Fat Bike cranks.

SRAM's GXP Team PressFit MTB Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.

WeThePeople's Compact Mid Bottom Bracket uses high-quality precision sealed bearings for use with Mid-size bottom bracket shells. It includes their own 6061 alloy tube spacer and comes with a selection of spacers to help you dial in your drivetrain.

Campagnolo's Power-Torque OS-Fit Integrated Bottom Bracket Cups let you install your Power-Torque crankset (sold separately) into an oversize bottom bracket shell. They are constructed from anodized aluminum for low weight and excellent durability. And, they're available to fit frames with BB30 and BB86 bottom bracket shells.

- Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family - Includes inner plastic sleeve and spacer; additional BB fitments can be accommodated with CINCH spacer kits

- Adapters press directly into specific PF30, BB30, BB86 or BBright frames and allow the use of standard Ultra-Torque (UT) crank sets and EPS components - Updated design increases surface area contact with the frame's bottom bracket, reducing the possibility of noise from frames with slight imperfections - Ultra-Torque OS Fit BB-cup tool is required for adapter installation

Shimano BB-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included

The game-changing DUB family goes ceramic. While DUB has been simplifying the game, eliminating compatibility frustration and confusion for years, the DUB ceramic bottom bracket gives riders an additional option for even more silky-smooth performance. This is a whole other level in bottom bracket friction reduction, thanks to its high efficiency, ceramic bearings. What's more, the DUB ceramic bottom bracket can help riders save precious rotational energy without sacrificing the kind of robust seals required for real MTB and road racing scenarios - High-efficiency ceramic bearings save riders rotational energy - Silky smooth, without sacrificing robust seals required for real-life durability MTB and racing scenarios - One oversized spindle to work across every bottom bracket standard - PressFit 30 (68-73mm) Road Wide Specifications: - Spindle Interface Type: SRAM DUB - Bottom Bracket Shell I.D.: 46 - BB Shell Width (mm): 68 - Defined Color: Black - BB/Frame Interface: PF30 - Weight: 120

The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard - Greater bearing durability