Threads on bottom of steerer tube?
10-01-18 | 06:01 PM
#1
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Threads on bottom of steerer tube?
I am trying to put together my first bike and am having a problem installing the fork. Where the steerer tube meets the crown there are threads. How do I put crown race on with these there? Do I file them off?
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10-01-18 | 06:25 PM
#2
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From: AU, MY, SG & ZZZzzz...
Umm... what parts are you trying to mix, are they MEANT to mate with each other?
Old style headset has big nut on top that goes on the threaded tubevsAhead style newer design stem that clamps on onto threadless stem Afaik there are adapters available to allow one to swing either way.But filing threads anything will make diameter smaller & I can't ever handfile anything perfectly round, that's why I'd love owning a lathe... etc etc
10-01-18 | 06:49 PM
#3
SE Wis
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From: Milwaukee, WI
Bikes: '68 Raleigh Sprite, '02 Raleigh C500, '84 Raleigh Gran Prix, '91 Trek 400, 2013 Novara Randonee, 1990 Trek 970
You need to give people more information. What kind of fork? threaded, threadless? 1" 1.25"? Threaded headset? threadless? Internal? Integrated?
10-01-18 | 07:03 PM
#5
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From: Ffld Cnty Connecticut
Bikes: Old Steelies I made, Old Cannondales
Is the steerer threaded & glued into the fork crown ?? So extra threads are exposed ?
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10-01-18 | 07:04 PM
#6
SE Wis
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From: Milwaukee, WI
Bikes: '68 Raleigh Sprite, '02 Raleigh C500, '84 Raleigh Gran Prix, '91 Trek 400, 2013 Novara Randonee, 1990 Trek 970
Have you measured it? The crown race should have an interference fit. Are they threads or just ridges?
1.125" threadless steerer.
1.125" threadless steerer.
- Fork crown race ID: 30.0mm
- Fork crown seat OD acceptable range: 30.1mm to 30.2mm
10-01-18 | 07:39 PM
#8
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10-08-18 | 07:48 AM
#12
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Bikes: '18 class built steel roadbike, '19 Fairlight Secan, '88 Schwinn Premis , Black Mountain Cycles Monstercross V4, '89 Novara Trionfo
that's a new one.
post more to get to 10 and then get a pic on here
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