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Genetic Cranium Headset

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3.3 out of 5 (3 ratings)
3 customer reviews

> Headsets & Parts

  • High quality, classic style 1" threaded headset with 26.4mm crown race
  • Polished alloy cups with steel races, caged bearings, o-ring seals
  • 116g
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1" Threaded (Silver)

Item #:35778-82409 
Other #s:
Available to ship DETAILS
Oregon0 - Apr 24th5 - Apr 28th
Minnesota0 - Apr 24th 
New Mexico5 - Apr 24th 
Utah0 - Apr 24th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 24th5 - Apr 28th
Ogden, UT0 - Apr 24th5 - Apr 29th


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Current Customer Rating

3.3 out of 5 (3 ratings)

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This headset is the only one I've found that mixes JIS standard cup size (30.0mm) and ISO crown race (26.4). The reviewer below is commenting that the cups fall out because he is trying to install them on an ISO frame (30.2mm). At least ISO headset (Origin8) includes a JIS crown race but literally none that I found besides this one do the opposite. So it has a very specific purpose and seems to do that just fine.

The quality seems ok for a cheap unit, the cups are rather large but they don't get in the way. The bearings I'm sure wouldn't hurt to be replaced but after installing with plenty of grease they seem to work for now. Again, anyone buying this headset should be buying for the very specific purpose of using an ISO fork with a JIS frame, so hopefully they will be happy to just know this problem solving headset exists.

Pros: JIS cup diameter and ISO crown race. Allows you to use a frame with 30.0mm head tube (JIS) with a fork with 26.4 crown race (ISO)

Cons: Quality appears nominally cheap for the price, but time will tell. Major con is that this product is not promoted for it's intended purpose. Can be difficult to find but I have verified with digital calipers that the sizes are exactly as specified.

Would Recommend: Yes

Reviewed on: April 17, 2014
Reviewed by: Ian S.

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Terrible, terrible crap

This just doesn't work. I've used plenty of threaded headsets with no real problems, and this one just doesn't cut it. The cups aren't sized properly for a friction fit (they drop right in, and fall right out), the bearings are crappy, and the locknut just won't stay locked. Avoid and get a cheap Ritchey or something.

Would Buy Again: No
Would Recommend: No

Reviewed on: January 05, 2013
Reviewed by: Jeff O.

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Nice headset for the price!

Works well, easy to install and gets the job done. good for those old bikes that need to turn well again.

Pros: inexpensive, no nonsense headset

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: February 27, 2012
Reviewed by: Garren E.

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