BSA Bottom Brackets

 

The BSA bottom brackets will keep your cranks spinning smoothly. They are made for multiple spindle configurations. Available in 24mm, 29mm, and 30mm spindle sizes. All of our bottom bracket cups are made with 6061 aluminum with angular contact stainless bearings.*

*29mm/DUB bottom brackets use radial ball bearings

 

Crank spindle compatibility:

• 30mm spindle external

• 29mm (DUB) spindle external

• 24mm spindle external

Bottom bracket shell width compatibility:

• 68mm

• 73mm

Bearings:

• 6806-2rs (30mm)

• 6806/29-2rs (29mm DUB)

• 2427-2rs (24mm)

Weight:

• Stainless Steel Bearings:   

  • 24mm Shimano: 85g

  • 29mm DUB: 90g

  • 30mm: 82g

• XD Ceramic Bearings:

  • 24mm Shimano: 80g

  • 29mm DUB: 85g

  • 30mm: 77g

Finish:

• polished silver, black, blue, red, gold, pink, or purple