Bottom Brackets

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

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

- Deore-level BB92 press-fit Hollowtech II bottom bracket - Compatible with all mountain Hollowtech II cranks

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

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

- Tiagra-level Hollowtech II bottom bracket - Compatible with all road Hollowtech II cranks

• Lightweight seal structure removes grams • Durable anodized finish • Includes left and right hand cups, spacers, inner cover, and inner o-rings • Easy installation with TL-FC25 tool • Compatible with 24mm crank spindles • English, threaded: 68/73mm bottom bracket • Pressfit: BB86/92 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.

Shimano's Dura-Ace Bottom Bracket is perfect for Shimano's Dura-Ace crankset. It features durable composite construction, super-smooth sealed bearings and a plastic sleeve for additional protection.

Pressfit Model: • For use on BB86/92 bottom bracket shells • Compatible with 24mm spindle Hollowtech II cranksets • BB Shell Width (mm): 92 mm • BB/Frame Interface: BB86 , BB92 • Bottom Bracket Shell I.D.: 41 • Defined Color: Black • Spindle Interface Type: Shimano Hollowtech II Threaded Model: • Includes 3 x 2.5mm spacers • Includes TL-FC24 adapter tool • Reduced size for light weight • New seal construction for smoother rotation • Requires TL-FC34 or included TL-FC24 adaptor for installation & removal • BB Shell Width (mm): 68 mm • BB/Frame Interface: English • Defined Color: Black • Spindle Interface Type: Shimano Hollowtech II • Weight: 77 g

Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets

Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included

Shimano's 105 Bottom Bracket Cups are for Shimano's integrated crankset (FC-5600) and feature minimal bearing resistance for smooth pedaling.

Compared to the power transfer of the conventional square taper spindle, the 8-splined OCTALINK interface that connects the bottom bracket and crankset increases the strength and rigidity for the entire assembly.

A tough bottom bracket that will go as hard as you. The PowerSpline has a heat-treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders. SPECIFICATIONS: - BB-FRAME INTERFACE: English/BSA 68E/73mm, English/BSA 68mm, English/BSA 73mm - CHAINLINE: 46.0mm, 48.5mm, 51.0mm, n/a - SPINDLE LENGTH: 108mm Spindle, 113mm Spindle, 118mm Spindle - SUPPORT E-TYPE FD: n/a, Yes - CRANK-BB INTERFACE: Power Spline - BEARING TYPE: n/a - SPINDLE DIAMETER: n/a - CUP MATERIAL: n/a - WEIGHT (G): 363 - WEIGHT BASED ON: BSA 73mm, 113mm spindle

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

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.

Get more distance out of every pedal stroke with SRAM's BB30 Bottom Bracket Assembly. It features sealed bearings for a smooth pedal stroke and impressive reliability. Plus, it presses directly into your frame's BB30 bottom bracket shell for reduced weight and increased longevity.

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. - For Super Boost+ cranks - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

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

We've engineered the SRAM DUB crank spindle to be a true unifying component: one oversized spindle to work across every bottom bracket standard. If you only drink cappuccinos before 11, sing Verdi on long climbs, and named your cat Fellini, the SRAM DUB Italian BB is the ticket for getting our lightest and most durable crank system onto your bike. Better crankarm compatibility, better protection from the elements. With style. - One oversized spindle to work across every bottom bracket standard - Gutter Seal Technology drastically improves sealing against the elements - Significantly lighter than GXP system - Sealed cartridge bearings

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 PressFit 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.

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

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. - For Super Boost+ cranks - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

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. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame

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.

Get more distance out of every pedal stroke with SRAM's phenomenal BB30 PressFit Bottom Bracket Assembly. It features Gutter Seal technology to keep dirt out and everything spinning smoothly. Plus, it presses directly into your frame's 46mm-wide BB30 bottom bracket shell for reduced weight and increased longevity.

SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. Pressfit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. The key difference with Pressfit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom bracket is designed for 30mm spindle cranksets. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Pressfit 30 for road will require a 68mm wide shell while Pressfit 30 for MTB will require a 73mm wide shell. - Easy installation - PressFit cups for lighter weight - Narrow Q-factor and more ankle clearance - Integrated gutter seal to prolong life - Integrated adjuster - 30mm spindle diameter

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

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

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. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame - Easy installation - Two fully sealed cartridge bearings - ISO 4210 compliant. See Declaration of Conformity for details. - BB-frame interface PressFit (Road: 86.5mm) - Crank-BB interface DUB - Bearing type Standard - Spindle diameter DUB - Cup material Steel

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. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

SRAM's GXP PressFit Road 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.

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

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 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 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

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

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 - Asymmetrical fit is Cannondale specific - Aluminum press-fit cups are lightweight - Integrated adjuster

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 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 - Easy installation - PressFit cups for lighter weight

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. Features - One oversized spindle to work across every bottom bracket standard. - Greater bearing durability - Easy installation - Threaded internal cups for an integrated look - Designed for use with SRAM Wide Cranksets

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

- Ceramic bottom bracket for DUB spindle cranks Specs: - BB Shell Type: BB30 - BB Shell Width: 68/73mm - BB Bearing: Ceramic - Crank Spindle Diameter: 28.99mm - Interface: DUB - Cup Diameter: 42mm

- 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

Race Face bottom bracket spacer kit for 124-130mm bottom brackets.

Designed to be used with X-Type or EXI cranksets. Manufactured from high strength aluminum & featuring custom retainer bearings. Features • BB Cups are forged & CNC machined from 6066 aluminum. • Tapering wall construction to minimize weight. • Custom 6805 16 ball retainer bearing • Bearings feature our custom triple wiper seal to better retain grease & keep contaminants out. • Bearings are factory filled with Phil Wood waterproof grease — tested & proven to extend bearing life.

Race Face SRX ISIS bottom brackets feature 6061-T6 aluminum cups, high-pressure axle seals, adjustable chainline and M15 spindles. • Features 6061-T6 aluminum cups, high-pressure axle seals, adjustable chainline and M15 spindles • Requires ISIS installation tool

Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. - Compatible with standard threaded BSA shells - Standard 6806 retainer bearings - Includes inner plastic sleeve and spacer; additional BB fitments can be accommodated with CINCH spacer kits - Inner sleeve protects against water - Rubber seal located on the bearing's external side helps to reduce the risk of water penetration

Sealed and Delivered Bottom brackets are something you never think about until you do. With superior sealing and cable routing clearance, our 30mm Cinch BB92 will give you true peace of mind. This bottom bracket stands for precision and and durability. All About The Ball Bearings This BB uses 6806 retainer bearings packed with waterproof grease, along with improved wiper seals to ensure above-and-beyond durability and performance. Death to Creaks We fired up the ol' CNC machine to make sure the anodized alloy cups of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not Features a built-in telescopic sleeve with improved sealing, keeping moisture from bearings and crank spindle. Plus, the sleeve provides more space for internal cable routing.

Spinning and Grinning This rock-solid, durable performer is everything you need in a press-fit 24mm bottom bracket and nothing more. Roll on...and on...and on. In A Sea Of Bearings These little buggers can make a huge difference, so we've made sure our double row custom retainer bearings are super durable and up for the long run. Close Enough Won't Cut It These precision steel cup are coated for corrosion resistance, and CNC-ground surfaces of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not All RF bottom brackets come with an inner plastic sleeve to keep the elements out and include all appropriate spacers to ensure a versatile fit.

As The Wheel Turns This trusty 30mm workhorse of a bottom bracket is built with custom RF double row cartridge bearings for trouble-free, long haul rolling for you PF41 frame. In A Sea Of Bearings These little buggers can make a huge difference, so we've made sure our double row custom retainer bearings are super durable and up for the long run. Close Enough Won't Cut It These precision steel cup are coated for corrosion resistance, and CNC-ground surfaces of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not All RF bottom brackets come with an inner plastic sleeve to keep the elements out and include all appropriate spacers to ensure a versatile fit.

- Designed for fat tire bikes - Chromoly spindle - Sealed bearings

Pedal smoothly and steadily with Origin-8's Torqlite Square-Taper Bottom Bracket. The forged aluminum body and cups are light and tough, the CNC'd hollow-chromoly spindle is stiff and shaves more grams, and the sealed bearings are super smooth and durable.

Forged and CNC machined AL6061 cups - Double sealed replaceable bearings - Fits 68mm and 73mm shell widths - 1.37" x 24T English thread - Alloy spacers included for chainline adjustment - Anodized and laser etched finish

Aluminum cups - Fits BB86 and BB92 - Includes shims for GXP - SHIMANO Equivalent SMBB-72-41B / SMBB-71-41A - Shell: 86mm - Spindle Type: HT2/GXP - Weight: 103g

Origin-8's BB30 Adapters allow you to convert your bicycle so that you can install a SRAM GXP or Shimano Hollowtech II BB30 crankset with a 24mm-diameter spindle. These Adapters include machined-aluminum cups, super-smooth and durable sealed bearings, shims and C clips.

Origin-8's ISIS Bottom Bracket is everything you need to get your wheels rolling. It features a steel body and hollow-chromoly spindle that adds stiffness and cuts down on weight. The sealed bearings are super smooth and durable, and this fine BB is available in 3 sizes with a 68mm shell.