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Bottom Brackets
$6.99 - $8.19
- One-piece bottom bracket cup set
- Bearings included
- Shell: 68mm
- Spindle Type: OPC
- Cup Material: Steel
- Weight: 265 grams
$7.59
- 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
- One-piece bottom bracket cup set
- Bearings included
- Fits smaller american juvenile/youth sized BB
- Shell: 65mm
- Cup Material: Steel
- Weight: 173 grams
$10.19
- 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
$12.99
- Fits 3-piece crank set
- Includes right and left cup, lockring and bearings
- English type
- Shell: 68/73mm
- Cup Material: Steel
- Weight: 123 grams
$15.99
- 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
$15.99
- 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
$16.99
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly
$17.95
- Adapts ISCG-05 mount chainguide arms to fit flange or lockring style bottom brackets
$18.39 - $25.49
- Designed for fat tire bikes
- Chromoly spindle
- Sealed bearings
$18.99
Race Face bottom bracket spacer kit for 124-130mm bottom brackets.
$18.99 - $25.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$19.99 - $21.99
High performing square bottom bracket interfaces with English frames.
- Fits square-taper spindle cranksets
- Alloy adjustable cups
- Includes 2 axle bolts
$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
$22.99
- Bottom bracket for one-piece crank
- Sealed mechanism
- 24 TPI
- Spindle Type: One piece
- Cup Material: Steel
- Weight: 310-315g
- Cup Type: Press Fit
- Cup OD/Bearing OD: 51mm
$22.99
- 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
$22.99
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
$23.99 - $27.99
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 - $34.99
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams
$25.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$27.95
Campagnolo's Record Bottom Bracket Cups are perfect for your Campy Ultra-Torque crankset (sold separately). They are constructed from anodized aluminum for light weight and excellent durability. They are available in English and Italian thread.
• Italian: 70mm
• English: 68mm
$27.95
- 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
$28.00
Running a conventional threaded bottom bracket on your BB30 or PF30 frame doesn't have to be complicated. This press-fit adapter from FSA goes in snug and opens up a lot of crankset possibilities for your BB30/PF30 frame.
- Aluminum
- Allows conventional threaded bottom brackets to be installed in a BB30 or PF30 frame
- Install with headset press (not included) and green Loctite (included)
$29.00
The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces.
- Alloy cups
- Double "snap" seals for water and dirt protection
- Spindle Interface Type: Square Taper JIS
$29.99
FSA PowerPro JIS Cartridge Bottom Brackets.
- Includes bolts
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English
$31.00
Bottom brackets from FSA for non-threaded applications.
- 24mm spindle compatibility
- Stainless steel bearings
- Spindle Interface Type: FSA MegaExo
- BB Shell Width: 92mm
- Bottom Bracket Shell I.D.: 41
- BB/Frame Interface: BB92
$31.00
FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles.
- Die cast and CNC-machined alloy bearing cups
- 19mm I.D.
- BB86/92 compatible
- BB Shell Width (mm): 92
- Bottom Bracket Shell I.D.: 41
$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
$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
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