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Item # CNE000C

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Item # CNE000C


Cane Creek's 40 IS52/40 Bottom headset cup fits 52mm lower head tubes and forks with a 30mm crown race. It's constructed from aluminum with a steel crown and low-friction seals to keep muck out and bars spinning smooth.

Tech Specs

steel, aluminum
Steer Tube Diameter:
1.125 in
Compatible Components:
40 and 110 Series
Recommended Use:

Reviews & Community


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Keeping things smooth

  • Familiarity: I've put it through the wringer

Got this as a replacement for the stock one on my Trek that went bad. Spins smooth and has been trouble free. Will fit most integrated tapered steerer tubes.

Unsung Hero of the Bike World

  • Familiarity: I've put it through the wringer

The Cane Creek 40 series headset is one of those products that gets little praise, but deserves to be lauded. It costs fraction of a more prestigious headsets, but it rarely fails, and comes in sizes to fit just about any frame. Buy and install it with confidence!

I am going to use a fox float 32 taper fork and the frame has IS 52 at the bottom. This part says 30 mm ? I though the bottom of the fork was 1.5 " can someone explain . will this crown press down onto a ( tapered 1-1/8" --1-1/2" fork's steer tube ? thanks

This is for a tapered fork with 1 1/2" lower. This is just the lower bearing and the associated race. Upper bearing sold seperately.

Avg. ride time: 4h 58m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Replacement for Ibis Hakkal?gi Disc

  • Familiarity: I've put it through the wringer

My Hakkal�gi Disc had a few CX seasons under it. In those I was throwing bar-spin no-footed cancan's over the barriers. I need to replace to continue dominance in the 2014-15 season. This popped right in the lower part of the headset and I was back to my Rainier in no time.