Signs of headset upper cartridge bearing being wrong way around
#1
Full Member
Thread Starter
Signs of headset upper cartridge bearing being wrong way around
What are the typical signs in a headset? Don't want to dismantle it again just to check it since messing around too much can damage something especially when doing boring seemingly unnecessary tasks due to OCD. Next time when swapping out forks will have to install it incorrectly on purpose just to see what happens. I guess the bearing would sit too high and it would be nearly impossible to install the compression ring.
#2
Senior Member
Join Date: Apr 2009
Location: New Rochelle, NY
Posts: 38,824
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Mentioned: 140 Post(s)
Tagged: 1 Thread(s)
Quoted: 5840 Post(s)
Liked 2,673 Times
in
1,488 Posts
Yes, the bearing will sit high give itself away by a large gap between frame and top cap.
But this begs the question. What signs have you suspecting that it may be inverted?
BTW - you made a duplicate post. Delete the other so all replies will be in this thread.
But this begs the question. What signs have you suspecting that it may be inverted?
BTW - you made a duplicate post. Delete the other so all replies will be in this thread.
Likes For FBinNY:
#3
Full Member
Thread Starter
Wasn't able to delete the title on a duplicate post.
#4
Senior Member
Join Date: Apr 2009
Location: New Rochelle, NY
Posts: 38,824
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Mentioned: 140 Post(s)
Tagged: 1 Thread(s)
Quoted: 5840 Post(s)
Liked 2,673 Times
in
1,488 Posts
I have no idea what you mean. In any case, the only thing you control are the gaps between the moving parts, top and bottom. If either is not between zero and 1mm or so, you need to recheck the assembly.
Last edited by FBinNY; 11-08-23 at 11:42 PM.
#6
Senior Member
Join Date: Dec 2010
Location: northern Deep South
Posts: 8,930
Bikes: Fuji Touring, Novara Randonee
Mentioned: 36 Post(s)
Tagged: 0 Thread(s)
Quoted: 2612 Post(s)
Liked 1,956 Times
in
1,226 Posts
I reinstalled a race, not the actual bearing, upside down on a travel bike, too excited to start the ride. I couldn't get the the headset and stem adjusted right. Fortunately, I caught it (with some help) before it did any damage.
I'm not sure what bad things you think will happen if you disassemble and reassemble. Sure, you can screw something else up, but a threadless headset can be disassembled and reassembled multiple times without damage.
I'm not sure what bad things you think will happen if you disassemble and reassemble. Sure, you can screw something else up, but a threadless headset can be disassembled and reassembled multiple times without damage.
#7
Full Member
Thread Starter
Actually the top cap covers the lower cap almost fully. There is only 1 mm between edges.
#8
Full Member
Thread Starter
I reinstalled a race, not the actual bearing, upside down on a travel bike, too excited to start the ride. I couldn't get the the headset and stem adjusted right. Fortunately, I caught it (with some help) before it did any damage.
I'm not sure what bad things you think will happen if you disassemble and reassemble. Sure, you can screw something else up, but a threadless headset can be disassembled and reassembled multiple times without damage.
I'm not sure what bad things you think will happen if you disassemble and reassemble. Sure, you can screw something else up, but a threadless headset can be disassembled and reassembled multiple times without damage.
Last edited by sysrq; 11-09-23 at 10:37 AM.
#9
Senior Member
Join Date: Apr 2009
Location: New Rochelle, NY
Posts: 38,824
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Mentioned: 140 Post(s)
Tagged: 1 Thread(s)
Quoted: 5840 Post(s)
Liked 2,673 Times
in
1,488 Posts
Are you simply second guessing yourself like someone halfway to the airport wondering if they locked the door?
If your headset looks right and feels right, it is right. Plain and simple. Or put another way, DON'T FIX WHAT AINT BROKE.
Likes For FBinNY:
#10
Senior Member
Join Date: Jul 2005
Location: Boulder County, CO
Posts: 4,407
Bikes: '80 Masi Gran Criterium, '12 Trek Madone, early '60s Frejus track
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 517 Post(s)
Liked 452 Times
in
339 Posts
He said it's a cartridge bearing. It's no big deal to dismantle. Just be sure the fork is supported so the whole shebang doesn't slip through the head tube onto the floor when you remove the top cap and stem.
#11
Senior Member
Join Date: Jul 2005
Location: Boulder County, CO
Posts: 4,407
Bikes: '80 Masi Gran Criterium, '12 Trek Madone, early '60s Frejus track
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 517 Post(s)
Liked 452 Times
in
339 Posts
He said it's a cartridge bearing. It's no big deal to dismantle. Just be sure the fork is supported so the whole shebang doesn't slip through the head tube onto the floor when you remove the top cap and stem.