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A black Shimano BB72-41B BB86 Bottom Bracket.

Shimano Bottom Brackets

Shimano Ultegra BB72-41B PressFit BB86 Bottom Bracket

Aidan Clouse January 14, 2026

MPN: ISMBB7241B

$46.00

Ultegra bottom bracket for PF BB86 road and BB92 MTB shells and Shimano cranks

Only 1 left in stock – Ships today! (Tuesday)

This item may only be shipped within the United States.
We are required to follow our brand's policies on shipping and we cannot ship this product outside the United States.
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Shimano Ultegra BB72-41B PressFit BB86 Bottom Bracket

The Shimano Ultegra BB72-41B PressFit BB86 Bottom Bracket is made for pressfit road and mountain bike frames with BB86 or BB92 shells. The Shimano Ultegra BB86 Bottom Bracket has composite cups and steel cartridge bearings that are compatible with 24 mm spindles. In addition, this bottom bracket uses o-rings to prevent dust, dirt and water from wearing out the bottom bracket prematurely.

 

Shimano Bottom Bracket Comparison

ModelPriceBikeShellCranksetsWeight
Shimano Ultegra SM-BBR60 BSA Bottom Bracket$31.99RoadFits English (BSA) threaded 68 mm road shellsFits Shimano road 24 mm cranks77 grams
Shimano DURA-ACE BB92-41B PressFit BB86 Bottom Bracket$36.99Road and MTBFits PressFit BB86 mm road and PressFit BB92 MTB shellsFits Shimano 24 mm cranks54 grams
Shimano Ultegra BB72-41B PressFit BB86 Bottom Bracket$38.99Road and MTBFits PressFit BB86 mm road and PressFit BB92 MTB shellsFits Shimano 24 mm cranks69 grams
Shimano DURA-ACE BB-R9100 BSA Bottom Bracket$41.99RoadFits English (BSA) threaded 68 mm road shellsFits Shimano road 24 mm cranks65 grams

Compatibility

  • Shell: Compatible with PressFit BB86 mm road shells and PressFit BB92 MTB shells
  • Crankset: Fits Shimano 24 mm cranks

Specs

  • Shell Width: 86.5 mm (road) | 91.5 mm (MTB)
  • Type: PressFit BB86 | PressFit BB92
  • Axle Size: 24 mm
  • Weight: 69 grams
  • Cup Material: Composite materials
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