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

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This product was added to our catalog on May 1, 2017.

The Wheels Manufacturing Shimano Threaded Bottom Bracket with Angular Contact Bearings features machined aluminum bearing cups to thread in to standard BSA frames.

Features:
  • 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

Specifications:
BB Shell Width (mm): 68 mm
BB/Frame Interface: English
Spindle Interface Type: FSA MegaExo , RaceFace EXI , Shimano Hollowtech II
Weight: 96 g
David Diamond
Verified Owner
Saturday, Feb 10 2018 (2 weeks 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!)