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  1. Home
  2. Custom Cranks
  3. Bike Bottom Brackets & Spindle Brackets

Bike Bottom Brackets & Spindle Brackets

The bike bottom bracket is the hub where your seat tube, frame tube, and a chainstay all come together to create your drivetrain. Inside the bottom bracket, you will find a spindle bracket that connects to the crankset and bearings, causing the crankset to rotate efficiently. These components fit many bike designs and primarily come in a threaded, press-fit, or square taper design. When the rider pedals, energy is produced and propels the bike forward. The bearings inside provide a smooth ride with little resistance and minimal effort.

Our bike bottom brackets and spindle brackets work with all existing bracket designs from all leading manufacturers. They work well with the BB30, BB86, BB90, BB92, BB95, OSBB, and BB386EVO, to name a few.

  • BBRIGHT™
  • BSA Threaded
  • T47
  • 386EVO
  • BB30
  • BB30 OUTBOARD
  • BB86/92
  • BB86/92 FOR 30MM
  • BBRIGHT™
  • BSA THREADED
  • ECCENTRIC (EBB)
  • FAT BIKE
  • PF30
  • PF30 OUTBOARD
  • T47
  • CANNONDALE BB30A
  • CANNONDALE PF30A
  • SRAM DUB COMPATIBLE
  • TREK BB90/95

Products [267]

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Sram GXP bottom bracket
Sram GXP bottom bracket
$34.00
Select Options
Bottom Bracket adapter kit - PF30 to Sram GXP
Bottom Bracket adapter kit - PF30 to Sram GXP
$30.00
Add To Cart
Wheels Manufacturing BB30 Spacer Kit 24mm ID
Wheels Manufacturing BB30 Spacer Kit 24mm ID
$10.00
Add To Cart
Joseph Kuosac (JK) ISIS Bottom Bracket - 68x108
Joseph Kuosac (JK) ISIS Bottom Bracket - 68x108
$44.00
Add To Cart
Joseph Kuosac (JK) ISIS Bottom Bracket - 68x113
Joseph Kuosac (JK) ISIS Bottom Bracket - 68x113
$44.00
Add To Cart
Andel Bottom Bracket for external bearing 24mm spindle cranksets
Andel Bottom Bracket for external bearing 24mm spindle cranksets
$30.00
Add To Cart
Kogel 6805 bearing seals for GXP or Shimano size bearings
Kogel 6805 bearing seals for GXP or Shimano size bearings
$10.00
Select Options
FSA bottom bracket adapter: BB30 to BSA english thread
FSA bottom bracket adapter: BB30 to BSA english thread
$20.00
Select Options
Wheels Manufacturing  - 386EVO Bottom Bracket for ZIS/Sram GXP 24/22mm Spindle cranks
Wheels Manufacturing - 386EVO Bottom Bracket for ZIS/Sram GXP 24/22mm Spindle cranks
$99.00
Add To Cart
Wheels Manufacturing  - 386EVO Bottom Bracket for Andel/Shimano/FSA 24mm Spindle
Wheels Manufacturing - 386EVO Bottom Bracket for Andel/Shimano/FSA 24mm Spindle
$99.00
Add To Cart
Race Face Cinch BSA fat bike bottom bracket for 30mm spindle cranks
Race Face Cinch BSA fat bike bottom bracket for 30mm spindle cranks
$69.99
Add To Cart
Wheels Mfg Bottom Bracket Adapter - 386EVO Adapter for 24mm Spindle Cranks (Shimano, FSA, etc.)
Wheels Mfg Bottom Bracket Adapter - 386EVO Adapter for 24mm Spindle Cranks (Shimano, FSA, etc.)
$50.00
Add To Cart
1 2 3 4 5 6 7 ...23 Next Page View All

When To Replace Bike Bottom Brackets & Spindle Brackets

If you hear strange noises coming from your brackets, that could be signaling that there is a lot of play in your bearings. The bearings inside may need repair if you're experiencing side-to-side movement with the crank arm. If you feel movement in the crank arm, this could mean that you need to perform repairs. If you have play in your bottom bracket, it can cause your crankset to move and drop your chain while you're riding. Also, if you experience any wobble or play in your ride, it could mean that your bracket contains dirt or water. Debris will make it harder for you to pedal.

Why Choose Bottom Brackets from Big & Tall Bikes?

You can use our bottom bracket adapter kits to install a standard bearing into your PF30 or BB30 frame. With Zinn, you can feel confident that you will have no installation issues and eliminate any future headaches. All you need to do is browse this page, select the right part for your particular bike, and leave the shipping to us. If you have any additional questions, feel free to schedule a call or email us at [email protected]

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