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Bottom Brackets

$9.99
- Fits 3-piece crank set
- Includes right and left cup, lockring and bearings
- English type
- Shell: 68/73mm
- Cup Material: Steel
- Weight: 123 grams

$9.99
- Thread: BC 1.37 x 24T
- Caged bearing 1/4" x 9
- Fits most square taper cotterless BB axles
- Spindle Type: SQR JIS
- Cup Material: Steel

$9.99 - $19.99
- One-piece bottom bracket cup set
- Bearings included
- Shell: 68mm
- Spindle Type: OPC
- Cup Material: Steel
- Weight: 265 grams

$12.99 - $19.99
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly

$14.99 - $21.99
- 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

$14.99
- 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

$14.99
- 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

$19.99 - $24.99
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams

$20.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$23.49 - $25.99
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

$23.99 - $38.99
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.

$24.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$24.99 - $29.99
TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks.
• Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks
• Crank bolts are included

$32.00
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

$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

$37.99
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.

$37.99
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

$37.99 - $44.99
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.

$39.00 - $49.99
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

$39.99
Genuine replacement parts
Use original bottom brackets for optimal functionality.
Prowheel: Crank it up!
- Prowheel PW-BB73+
- Shell Width: 68/73mm for MTB
- Compatible with BC1.37"x34T BB Cups with 24mm diameter spindle
- Compatible with Shimano Hollow Tech II cranksets

$44.00
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

$44.00
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

$44.99 - $49.99
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.

$44.99 - $49.99
- 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

$45.99 - $49.99
Shimano BB-ES51 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$46.00 - $50.00
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.

$48.00
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.
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