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Bottom Brackets
$47.99
Genuine replacement parts
Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike.
Proprietary replacement bottom bracket for the Trek family of bikes.
- Only compatible with 24mm cranks
- Not compatible with BB30 cranks
$44.99
Genuine replacement parts
Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike.
Proprietary replacement bottom bracket for the Trek family of bikes.
- Only compatible with 24mm cranks
- Not compatible with BB30 cranks
$15.99 - $34.99
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams
$29.99 - $45.99
- Forged steel body
- Alloy cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Spindle Type: Square Taper JIS
- Weight: 290-300 grams
$18.99 - $29.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$15.99 - $24.99
- 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
$33.99
• 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
$23.99
- Tiagra-level Hollowtech II bottom bracket
- Compatible with all road Hollowtech II cranks
$23.49 - $23.99
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
$31.99 - $39.99
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.
$41.00
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
$46.00
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
$46.00
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.
$41.00
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.
$45.39 - $74.99
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.
$24.99
High performing square bottom bracket interfaces with English frames.
- Fits square-taper spindle cranksets
- Alloy adjustable cups
- Includes 2 axle bolts
$36.19
- American style BB for older 3-piece cranks
- American BB for 3-piece cranksets
- Fits 68mm American frames
- Steel construction
- Weight: 517 grams
- Shell: 68mm
- Interface: 24 tpi
- Spindle Type: SQR JIS
- Cup Material: Steel
$34.99
- Steel body
- Chromoly spindle
- Sealed bearings
- Repair BB designed to work in frames that have stripped BB threads
- Shell: 68mm
- Spindle Type: Square Taper JIS
- Weight: 360-370 grams
$31.19
- Replacement fat bike bottom bracket with square-taper chromoly spindle
- Sealed bearings
- Steel shell and cups
- 120mm shell width
- 180mm spindle length
- 1.37" x 24T English thread
$49.90
- Standard JIS square taper with steel cups, retainers, lockrings, CrMo spindle, shield included
- Formerly called CBB-ST, renamed CBBF
$37.99
6061 CNC machined Alloy cups w/ Precision sealed bearings.
- Bearings: 19mm mid sealed (x2) (with american cups)
- Spindle: 19mm, 8 spline (included in kit)
- Spacers: 6061 Alloy cones with 15/16"/19mm hat washer and 4x spacers included
NOTE: These sealed American BB & American BB sealed upgrade kit (with 8-spline spindle) are designed to replace the 8 spline spindle and bearings of an unsealed American BB with a sealed version. Fits most complete bikes that come with unsealed American 19mm BB. 19mm Model does not come with a spindle.
$27.99
The Revolver bottom bracket features two sealed bearings and 6061 Alloy CNC machined cone spacers with weight-saving tear-drop slots.
- Precision sealed bearings
- Swaged waist tube spacer for 73mm BB shells
- Spindle size: 19mm or 22mm
- Shell Size: Mid
- Tube Spacer: Swaged waist with 5mm spacer
- Spacers: 2.5mm alloy (x4)
- Weight: 4.0-ounce
$45.99
Shimano BB-ES51 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$21.00
- 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
$36.99
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.
$41.99
Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets
$36.99 - $43.99
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
$41.00
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.
$41.00
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
$46.00
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
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