Filter By:
- Show More Brands
- Show Fewer Brands
- Show More Sizes
- Show Fewer Sizes
- Show More Model Years
- Show Fewer Model Years
Bottom Brackets

$63.95
Features three sealed cartridge bearings.
- Fits Daytona, Racing Triple, Centaur, Veloce and Mirage, 1193 and later Athena and pre-1995 Record and Chorus
- 115mm spindle recommended for triple cranks and 32 or 35mm seat tubes
- Unique taper is not compatible with Shimano
- Weight: 233 grams

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

$46.00
The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.
- One oversized spindle to work across every bottom bracket standard.
- Significantly lighter than PFGXP system
- Easier installation by allowing you to press the bearing cups into the frame

$188.00
Chris King ThreadFit 24 bottom brackets are designed and built to be durable, serviceable, and silent. Bearings can be serviced with the Chris King Grease injector tool.
- King made-in-house bearings
- 5-year warranty
- Included Fit Kit #4 is designed to mate the ThreadFit 24 bottom bracket with a 24mm spindle
- Spindle Interface Type: Shimano Hollowtech II
- BB Shell Width (mm): 68 , 73
- Bottom Bracket Shell I.D.: 1.37
- BB/Frame Interface: English

$144.25
PF30 Threaded bottom bracket features two machined aluminum cups that thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Directly replaces all OEM PF30 bottom brackets. Note: Use only bottom bracket tools compatible with 16-notch, 48.5mm outer diameter cups. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB, BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 61mm to 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 114g

$339.00 - $439.00
The BB30 bottom bracket allows you to pair 30mm spindle cranks to 42mm inner diameter bottom bracket shells. Cannondale pioneered this standard along with specially-designed cranks and many have found the benefits to them. Road versions have a 68mm width, MTB has 73mm. These are also the bearings you can use to replace bearings in PF30 cups.
You have two bearing choices. The first choice is our low drag, long life Standard Bearing, with hardened-steel races and our super-round CeramicSpeed balls. The second choice is our Coated Bearing, which uses those same balls installed on coated, hardened-steel races for longer life and less bearing drag.
BB30 was designed to make the bike lighter: no cups, threading, or redundant metal, plus a lighter, stiffer crank. That's why the crank spindle is 30mm, which was a big jump up from square-taper spindles.
CeramicSpeed standard bearings typically have frictional drag of 0.3-0.4 watts per set. That's in the range of a 75% drag reduction compared to standard bottom brackets. That's thanks to balls that are 100% smoother and 15% harder than the ceramic competition. The bearings last at least three times longer than other bearings.
In The Box
- 2x bearings
- 2x 1mm spacers
- 2x 0.5mm spacers
- 2x dust covers
- O-ring
- 10ml syringe of grease
- Sticker sheet

$118.65
The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g

$359.00
BSA is another way of stating English threading. The initialization comes from Birmingham Small Arms, which made bicycles. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. It's the most common threaded standard employed today. This kit works with 24mm diameter cranks, found on cranks from Shimano, FSA, Rotor, and others.
Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.
24mm spindles easily fit through the shell and allow for large bearings to be employed in the outside cups.
Put more of your energy into forward motion by reducing frictional drag wherever you can. CeramicSpeed Standard Bearings typically have frictional drag of 0.3-0.4 watts per set. That's in the range of a 75% drag reduction compared to standard bottom brackets. CeramicSpeed balls are 100% smoother and 15% harder than ceramic competition. The bearings last at least 3x longer than other bearings.
In The Box:
- 2 threaded cups with bearings
- 2 dust covers with built-in spacers
- Spacer tube
- 10mm syringe of All Round Grease
- Sticker sheet

$44.99
- 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

$50.99 - $59.99
ISIS revolutionized bottom bracket spindles. Keep yours spinning smoothly with this Platinum ISIS Bottom Bracket from FSA.
- Forged, hollow chromoly spindle with titanium nitride coating
- Integrated, large ball bearing design
- Cold-forged aluminum cups
- Includes crank bolts

$359.00 - $459.00
The new SRAM DUB crank standard, built on a 28.99mm spindle, allows for a more contamination-resistant BB design while retaining the ultra-efficient & long-lasting qualities CeramicSpeed Bottom Brackets are known for.
With an integrated dust cover for all models, the snug & secure fit not only fully protects the face of the bearing, but also delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with unparalleled durability & efficiency.
The SRAM DUB crank spindle requires the bearing contact points to be in a set and designated width and all CeramicSpeed bottom Bracket options perfectly match the bearing placement on the crank spindle with the required frame interface for nearly any model of bike. Without the use of unnecessary adapters or spacers, a quiet & stable platform is ensured throughout the life of the product.
The BB30 for SRAM DUB Road comes in two versions; one using our CeramicSpeed Standard Bearings and the other using our Coated Bearings for even longer lifetime and lower friction.
Compatible with:
- Frame: BB30
- Opening diameter: 42mm
- Shell width: 68mm
- Bottom Bracket Tool for installation: BBT-79
In the box:
- 2 cups with CeramicSpeed Bearings installed
- 2 dust covers
- 4 x 1mm spacers
- 10ml syringe of CeramicSpeed All Round Grease
- Sticker Sheet

$359.00 - $459.00
BSA is another way of stating English threading. The initialization comes from Birmingham Small Arms, which made bicycles. English threading on road bikes mean a 68mm-wide, 34mm-inside-diameter shell with reverse threading on the drive side. It's the most common threaded standard employed today. This kit allows you to fit 30mm cranks, like those from Rotor, to fit in the tight space of this 34mm spindle.
Choose between two bearings types for the cups. Standard Bearings have low drag thanks to hardened-steel races and our CeramicSpeed Balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.
Note that the threaded extensions of this BB's cups that thread into the frame are thin, as they need to fit a 30mm spindle inside the cups.
CeramicSpeed standard bearings typically have frictional drag of 0.3-0.4 watts per set. That's in the range of a 75% drag reduction compared to standard bottom brackets. That's thanks to balls that are 100% smoother and 15% harder than the ceramic competition. The bearings last at least 3x longer than other bearings.
In The Box:
- 2 threaded cups with bearings installed
- 2 1mm spacers
- 2 0.5mm spacers
- 2 dust covers
- O-ring
- 10ml syringe All Round Grease
- Sticker sheet
- Spacertube

$54.99
- Left and right bottom bracket cups with standard bearings for FSA MegaExo cranks
- BB-9050 is for 24mm spindle 68/73mm MTB K-Force and Team Issue cranks
- BB-8681 for K-Force Light (a non-ceramic option) and SLK Light Road MegaExo cranks (BB-8681 bearing covers have been redesigned so that the spindle now rides directly on the bearing itself)
- BB-7000 is for 24mm spindle 68/73mm shell MTB Gravity Lite, Moto X and Afterburner cranks
- BB-7000 is for 24mm spindle 83mm shell MTB Gravity Lite cranks
- BB-6200 is for 24mm spindle 68mm shell Energy, Gossamer and Omega No Bolt Design cranks
- BB-6000 is for 24mm spindle 68mm shell Energy, Gossamer and Omega cranks
- BB-4000 is for 19mm spindle 69mm shell Omega cranks
- BB-1000 is for 19mm spindle 68/73mm MTB Gamma cranks
- 1.37" x 24tpi (English threads) or M36 x 24tpi (Italian threads)

$115.99 - $124.99
The Hellbender70 bottom bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance.
- 440C stainless steel bearings, dual lip seal, marine grease
- Machined aluminum cups

$144.53
The Wheels Mfg PF30 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in PF30 frames without the need for adapters. - Bearings: Enduro Angular Contact - Color: Red - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 158g

$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

$118.65
Wheels Mfg original BB86/92 bottom bracket is a significant upgrade to any OEM BB86 bottom bracket. Two machined aluminum cups offer increased durability and bearing life, while keeping a simple press together method for installation and maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB86, BB92 - Bottom Bracket Shell Width (mm): 86mm - 92mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: GXP (SRAM, Truvativ, Etc.) - Crank Spindle Diameter: 22/24mm - Weight: 114g

$26.00 - $31.99
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

$359.00 - $479.99
Italian-threaded bottom bracket shells are typically found on Italian-brand road bikes. The shell measures 70mm wide and has a 35mm inner diameter.
This kit has all the pieces necessary to install 24mm diameter cranks, such as those from Shimano, FSA, and others into an ITA shell.
CeramicSpeed bearings are pressed into threaded cups, then those cups are threaded into the frame. You choose whether you want yours equipped with Standard or Coated Bearings. Super-round, super-smooth CeramicSpeed balls rotate in hardened-steel races in both. The Coated version has a metallic coating laid onto the races, making them even harder and smoother, resulting in longer life and lower drag.
ITA BBs, thanks to the popularity of Italian road bike design, still have a following. The drive-side cup needs to be properly secured, but once that's done, the system is excellent. 24mm cranks work better when mated to our bearings.
To make your bike as efficient as possible, you must reduce mechanical drag. Bottom brackets have a measurable effect on speed. CeramicSpeed balls are 100% smoother and 15% harder than the ceramic competition. They run on smoother races, too. That means our Standard Bearing BBs have 75% less drag compared to typical bottom brackets. And, the bearings last at least 3x longer than other bearings.
These bearings come packed with All Round Grease. If you want less drag and are riding in cleaner environs, install lowest drag TT and Track Grease. If you're riding in wet conditions, more durable LongLife Grease can be put in.
In The Box:
- 2 threaded cups with bearings
- 2 dust covers with built-in spacers
- Spacer tube
- 10ml syringe of All Round grease
- Sticker sheet

$263.00
- Ceramic bottom bracket for DUB spindle cranks
Specs:
- BB Shell Type: PF30
- BB Shell Width: 68/73mm
- BB Bearing: Ceramic
- Crank Spindle Diameter: 28.99mm
- Interface: DUB
- Cup Diameter: 46mm

$46.00
The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we’ve engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.
- One oversized spindle to work across every bottom bracket standard.
- Significantly lighter than PFGXP system
- Easier installation by allowing you to press the bearing cups into the frame
- Easy installation
- Two fully sealed cartridge bearings
- ISO 4210 compliant. See Declaration of Conformity for details.
- BB-frame interface PressFit (MTB: 89/92mm)
- Crank-BB interface DUB
- Bearing type Standard
- Spindle diameter DUB
- Cup material Steel

$29.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$218.75
Expand your choice of cranks for use in BB86/BB92/BB91/BB71-41/BB107 frames. Replace your bottom bracket with these dual-row flanged bearings and run 30mm spindle cranks (FSA BB386EVO, Rotor 3d+, RaceFace Next SL, e.thirteen) cranks in your frame. These bearings fit directly in frames with 41mm ID smooth bore bottom bracket shells.You must use 30mm spindle cranksets with spindle lengths longer than 104mm. - Bearings: Enduro Dual-Row ABEC-3 - Dimensions: 41mm x 30mm (42mm flange OD) - Color: silver - Bottom Bracket/Frame Interface: BB86, BB92, BB91, BB71-41, BB107/104 - Bottom Bracket Shell Width (mm): 86.5mm - 107mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: BB386EVO, BB30 longer than 104mm - Crank Spindle Diameter: 30mm - Weight: 89g

$34.99 - $41.99
- Forged steel body
- Alloy cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Spindle Type: Square Taper JIS
- Weight: 290-300 grams
$118.65
Wheels Manufacturing's PressFit 30 Bottom Brackets are an excellent direct replacement for SRAM, FSA and other PressFit 30 BBs. They are 100% made in the USA with machined aluminum cups for superior durability and your choice of standard sealed, angular contact or ceramic bearings (this model has sealed bearings). Wheels Manufacturing also exclusively uses Enduro bearings for excellent performance and longevity. Other great features of these stellar BBs include a 12% increase in bearing strength over standard models; serviceable bearings; dual exterior silicone rings for easy installation and to eliminate creaking; double-lip bearing seals; and even the highest quality grease appropriate for bottom bracket use and also more of it for smoother running and maximum durability!

$118.65
The Wheels Mfg PF30 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in PF30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 161g

$37.00
FSA MegaExo Bottom Bracket
- MegaExo cranks to press fit BB89.5 and BB92 frame
- Spindle Interface Type: FSA MegaExo
- BB Shell Width (mm): 89.5 – 92
- Bottom Bracket Shell I.D.: 41
- BB/Frame Interface: BB89.5, BB92

$59.99
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

$89.99
As The Wheel Turns
This trusty 30mm workhorse of a bottom bracket is built with custom RF double row cartridge bearings for trouble-free, long haul rolling for you PF41 frame.
In A Sea Of Bearings
These little buggers can make a huge difference, so we've made sure our double row custom retainer bearings are super durable and up for the long run.
Close Enough Won't Cut It
These precision steel cup are coated for corrosion resistance, and CNC-ground surfaces of this bottom bracket provide an exact, perfectly quiet fit in your frame.
Weather, Or Not
All RF bottom brackets come with an inner plastic sleeve to keep the elements out and include all appropriate spacers to ensure a versatile fit.