sealed bearings headset for fat bike

sanchez

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Oct 11, 2021
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[/img]hey guys I just broke my headset on my fat bike how to know which size(diameter) is there any sealed bearing for a fat bike
https://www.greenbikeelectric.com/product/big-dog-off-road/
 

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[/img] Hey fellas the bearings(open ball bearings) on my headstock are moving on my fork no matter how tight I screw them feels like riding about boat and I'm not gonna mention the safety I want to order sealed but how to know if it fit IS THERE ANY METHOD TO MEASURE?
Thanks in advance!
 

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You probably don't have enough spacers in the stack. The spacers should come up about 3mm past the top of the steer tube.

If you overtightened the star nut, you may have ruined it.
 
Looks like your headset is 1 1/8". You need to loosen the stem and remove, then insure that the spacers are above the steerer tube about 3 mm (as above), replace the top cap and tighten before tightening the stem again. You should have a mechanic look at the system if you're not familiar with this procedure and (as above) may have ruined the star nut and need to have a new one installed.
 
It occurred to me that if you try to adjust the headset without first loosening the stem, nothing happens. Since we don't know your level of familiarity with this equipment, here's a video tutorial:

[youtube]bHrCAdpo1Iw[/youtube]
 
Is this thread a "Where's Waldo" game? I kept looking for the difference in each photo. If I get it, what do I win?

LOL!...I agree with Chalo that it looks like a more-or-less conventional 1 & 1/8" headtube, so a replacement, sealed bearing headset should be easy to source. But that potential issue of clearance with the spacers needs to be identified first.
 
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