Wheels Manufacturing Road External Bottom Bracket ACB (Shimano) (Gray)

Wheels Manufacturing Road External Bottom Bracket ACB (Shimano) (Gray)
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The Wheels Manufacturing Shimano Threaded Bottom Bracket with Angular Contact Bearings features machined aluminum bearing cups to thread in to standard BSA frames.

  • Includes replacement dust covers and seals
  • CNC-machined aluminum shell for precise bearing alignment and frame fit
  • Replaceable Enduro bearings
  • Made in the USA
  • ABEC-5 Angular Contact sealed bearings
  • Angular contact ball bearings are particularly suitable for carrying combined axial and radial loads

BB Shell Width (mm): 68 mm
BB/Frame Interface: English
Spindle Interface Type: FSA MegaExo , RaceFace EXI , Shimano Hollowtech II
Weight: 96 g

This product was added to our catalog on March 7, 2018

Verified Owner
Saturday, Feb 10 2018 (about 2 years ago)
Wheels Manufacturing Road External Bottom Bracket ACB (Shimano) (Gray)
This is the second WM BSA 24mm ACB BB that I have bought. I put one on a different bike about a year ago. This purchase was to replace Shimano's top of the line, superlight BB-R9100 Dura Ace BB that I put on my new climbing bike. There is no comparison between these two BB's. Although the Dura Ace BB is an ounce or so lighter, I felt like I was towing a trailer! Bottom line is the Wheels Manufacturing ACB BB far exceeds the Dura Ace in performance. Sure, the Dura Ace BB is much less expensive, but the bearings/seals have a lot of resistance. The Wheels Manufacturing ABEC 5 angular contact bearings are awesome! No more towing the trailer! Spend a few bucks and an ounce more. It's well worth it. BTW, AMain cycling has the best price on this on the Internet and shipped it to me in Florida for $1.99. It arrived 3 days after my transaction. You bet I'm a happy customer!