Filter By:
- Show More Brands
- Show Fewer Brands
- Show More Sizes
- Show Fewer Sizes
- Show More Model Years
- Show Fewer Model Years
Bottom Brackets
Replace your bottom bracket with a durable unit from Bike World Iowa.
Black Label's Mid BB Set includes bearings, washers, a center spacer, and cones. It's for use with 19mm crank axles.
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.
Shimano's 105 Bottom Bracket Cups are for Shimano's integrated crankset (FC-5600) and feature minimal bearing resistance for smooth pedaling.
$6.99
- Fits 3-piece crank set
- Includes right and left cup, lockring and bearings
- English type
- Shell: 68/73mm
- Cup Material: Steel
- Weight: 123 grams
$8.99
- One-piece bottom bracket cup set
- Bearings included
- Fits smaller american juvenile/youth sized BB
- Shell: 65mm
- Cup Material: Steel
- Weight: 173 grams
$8.99 - $15.99
- One-piece bottom bracket cup set
- Bearings included
- Shell: 68mm
- Spindle Type: OPC
- Cup Material: Steel
- Weight: 265 grams
$9.99
Dimension American bottom bracket for one-piece cranks.
- Include cups, bearings and cones
- 24 tpi
$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
$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
$12.99
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams
$15.99 - $16.99
- 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
$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
$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
$18.00 - $29.00
FSA PowerPro JIS Cartridge Bottom Brackets.
- Includes bolts
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English
$19.99
High performing square bottom bracket interfaces with English frames.
- Fits square-taper spindle cranksets
- Alloy adjustable cups
- Includes 2 axle bolts
$19.99
- Deore-level BB92 press-fit Hollowtech II bottom bracket
- Compatible with all mountain Hollowtech II cranks
$20.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$23.49 - $29.99
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
$24.99 - $39.99
- 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
$26.00
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
$26.99
- 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
$26.99 - $28.99
WeThePeople's Compact Mid Bottom Bracket uses high-quality precision sealed bearings for use with Mid-size bottom bracket shells. It includes their own 6061 alloy tube spacer and comes with a selection of spacers to help you dial in your drivetrain.
$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
$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
$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)
Page 1 of 8
Next page