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Bottom Brackets
$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
$10.00
Dimension American bottom bracket for one-piece cranks.
- Include cups, bearings and cones
- 24 tpi
$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
$12.00
- One-piece bottom bracket cup set
- Bearings included
- Fits smaller american juvenile/youth sized BB
- Shell: 65mm
- Cup Material: Steel
- Weight: 173 grams
$12.79
- Fits 3-piece crank set
- Includes right and left cup, lockring and bearings
- English type
- Shell: 68/73mm
- Cup Material: Steel
- Weight: 123 grams
$13.99 - $25.00
- One-piece bottom bracket cup set
- Bearings included
- Shell: 68mm
- Spindle Type: OPC
- Cup Material: Steel
- Weight: 265 grams
$15.00
-Traditional chromoly square taper crank-arm interface with steel cups
- 108mm for use with most Track cranks
- 110mm for use with most Road double cranks
- 113mm for use with most Road triple cranks
- 118mm for use with most Mountain triple cranks
- Bolts included
$15.00
-Traditional chromoly square taper crank-arm interface with steel cups
- 108mm for use with most Track cranks
- 110mm for use with most Road double cranks
- 113mm for use with most Road triple cranks
- 118mm for use with most Mountain triple cranks
- Bolts included
$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
$17.95
- Adapts ISCG-05 mount chainguide arms to fit flange or lockring style bottom brackets
$17.99
- 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
$18.99 - $24.99
- Made to fit crank spindles and press-fit Mid BB frames.
- Simple and easy to install.
- Includes an assortment of spacers to optimize chainline and crank clearance.
- Odyssey 6061-T6 aluminum dust spacer included.
$18.99
Race Face bottom bracket spacer kit for 124-130mm bottom brackets.
$18.99 - $20.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$19.99
- Deore-level BB92 press-fit Hollowtech II bottom bracket
- Compatible with all mountain Hollowtech II cranks
$20.00 - $30.00
FSA PowerPro JIS Cartridge Bottom Brackets.
- Includes bolts
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English
$20.00
High performing square bottom bracket interfaces with English frames.
- Fits square-taper spindle cranksets
- Alloy adjustable cups
- Includes 2 axle bolts
$20.00 - $25.00
- 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
$20.00
- Tiagra-level Hollowtech II bottom bracket
- Compatible with all road Hollowtech II cranks
$20.00 - $23.00
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams
$21.90
- High quality alloy cups compatible with IRD QB55 bottom brackets (sold separately)
- Choose Swiss, French, or Italian bottom bracket thread dimensions
- Left cup: right hand thread
- Right cup: left hand thread
$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
$24.00
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
$24.99 - $33.00
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.
$25.00
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$25.00
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly
$25.00
- 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
$25.00
- 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
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