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Item # SHI0513

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Item # SHI0513

Beef up your BB.

The 86mm bottom bracket is a relatively new, reasonably beefier BB standard that allows frame designers a little more leeway to play around with seat tube, downtube, and chainstay designs. The new, larger shell requires a larger bracket, obviously, and Shimano designed the Dura-Ace BB86 Bottom Bracket to quite literally fill the gap. While it's a little larger than traditional BBs, the BB86 has the same design as Shimano's other Dura-Ace brackets, with steel cartridge bearings packed inside composite cups and plastic o-rings and dust shields to keep everything running smoothly. The 86 is also compatible with Shimano HollowTech cranks, so you can keep your old crankset even if you're getting a new frame.

  • Composite cups
  • Steel cartridge bearings
  • Compatible with HollowTech cranksets
  • Inner plastic o-rings and dust shields

Tech Specs

Material:
composite, steel
Shell Width:
86.5 mm
Recommended Use:
cycling
Manufacturer Warranty:
2 years
Actual Weight:
One Color, One Size: 72g

Reviews & Community

REVIEWS

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Smooth and sweet.

  • Familiarity: I've put it through the wringer

A BB86 shell lacks internal threads and has a 41mm inside diameter.This Shimano BB86 Bottom Bracket Assembly is made to press right into your bike. It will mate your Shimano HollowTech crankset to any frame equipped with a BB86 bottom bracket shell.

Avg. ride time: 43m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Smooth

  • Familiarity: I've put it through the wringer

There isn't much to say about a well functioning bottom bracket, and there shouldn't be. This works as designed with no complaints.

Avg. ride time: 12h 31m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

smooth, no issues

  • Familiarity: I've put it through the wringer

It's really an industry standard. This thing works great and no problems at all

smooth and maintenance free

  • Familiarity: I've put it through the wringer

Smooth and maintenance free, isn't that what we want out of a BB? it is for my and after a summer of commuting, training, racing, I don't even have to think about it, it's always dependable.