|
I've owned several bikes with the scalloped headset nuts. I've never purchased the tool. And I've never buggered them up either. Where there is a will, there's a way. https://www.bikeforums.net/images/smilies/innocent.gif __________________ |
Poland seems to have the market cornered on reproduction Shimano headset wrenches. $18+8 for two.
|
Shimano's EX series headsets (i.e. scalloped) are designed so that they will also work with a standard 32mm headset wrench. However, the dedicated wrenches are far less prone to marring the headset as slippage is almost impossible. This eliminated the drawbacks for lighter, aluminum headsets and facilitated adjustment. It was a superior design, which cyclists did not appreciate.
|
Originally Posted by robertj298
(Post 21418865)
Originally Posted by UKFan4Sure
(Post 21419053)
I've owned several bikes with the scalloped headset nuts. I've never purchased the tool. And I've never buggered them up either. Where there is a will, there's a way. :innocent:
No need for special Shimano wrench. But please DON'T be tempted by using a slip joint / Channelock plier. |
Originally Posted by robertj298
(Post 21418884)
They are pricey. Can't just use vice grips with a rag around the nut to protect it? lol
I also like this lockring/headset tool from Hozan which has multiple uses: https://cimg8.ibsrv.net/gimg/bikefor...5b454b6da3.jpg |
Originally Posted by Prowler
(Post 21418999)
Glad your laughing about this. I've found that, given the stresses on the HS (rough roads, rail crossings, potholes, curbs, wooden bridges, etc) it's best if you get the lock nut/top nut really tight. Or they loosen during use. Since the flats on the adj nut/top race and the top nut are so thin, there is great risk to the parts if you use loose fitting wrenches, yup you must have two. And since the process of getting them real tight may loosen the bearing clearance (backing the top race out even a degree or two) you'll likely need to do this two or three times until it's just right. IOW using two correct wrenches multiple times each time the HS is serviced.
I trust you have a good metric vernier caliper so you can measure the parts and know what size wrenches you need. Mm? So, for the hex parts either purchase the right wrenches (you could need two of the same, ex: 36mm, or two sizes) or find a co-op with them. If you buy, buy good ones. Cheap/bargain wrenches will not fit snugly and will bend from the forces you need. For the Shimano HS either purchase them or see if one of us will loan em. Anyone near by? Put out the call. Great coffee, fresh cinnamon rolls, and a pack of TP as a thanks. I completely agree |
Originally Posted by SJX426
(Post 21419034)
Is the headset on the Sequoia use loose bearings? It says it is sealed. Does that refer to a seal between the cup and "cone?"
|
And follow Randys advice,put a towel on the floor under headset in case bearings are loose and hit the floor.
|
Good call on the Headset wrenches from Poland. I have one of these headsets in my garage. $25 for peace of mind, I'm in.
|
Originally Posted by T-Mar
(Post 21419124)
Shimano's EX series headsets (i.e. scalloped) are designed so that they will also work with a standard 32mm headset wrench. However, the dedicated wrenches are far less prone to marring the headset as slippage is almost impossible. This eliminated the drawbacks for lighter, aluminum headsets and facilitated adjustment. It was a superior design, which cyclists did not appreciate.
I suppose advancement of tool design for threaded/quill steering is not exactly an industry priority. |
Once you do the headset once, you'll feel comfortable doing it again, and it's maintenance you'll want to repeat. It would be worth spending a little money on that Shimano wrench if you can, and you can certainly sell the wrench later if you sell the bike or replace the headset. People like their Shimano headsets, so the market for the tool will probably be alive for a while.
|
In most, but not all cases with a bike a single repair costs as much as the tool. In this case two adjustable wrenches may be something you already own. If not get some good ones because you'll use them over your lifetime.
|
Originally Posted by robertj298
(Post 21418798)
Headset service cost..?
https://www.ebay.com/itm/Park-Tool-H...ss!98103!US!-1 I use the HCW-15 which features the never used 36mm end, not the useful 15mm one as shown in the link. You will also need an adjustable wrench for the locknut, some grease, and possibly bearings if you replace them. |
Originally Posted by robertj298
(Post 21418823)
Maybe I'll give it a try
|
I needed to get the fixed parts of a headset and BB removed in preparation for powder-coating my frame. I was charged $35 - half the cost of headset and BB overhaul. Yeah, I got ripped off, since they didn't have to disassemble anything. I'll probably spend my LBS money elsewhere from now on, if I can, but I spend very little at LBSes, so I'm not doing any great favor to the next guys.
In any case, around here, the headset overhaul is apparently $35, about twice the cost of the Park tool. The one problem I had was that I initially put the caged bearings in upside down. I easily saw I had a problem, since there were no threads available for screwing down the lock nut. It took me a long while to figure out what i had done wrong, though, which says something about my skill as a bike mechanic:). Even so, my headset seems pretty good - rotates without discernible friction or free play, nor do I feel or hear incorrect movement on the road. I recommend doing it yourself. |
I think headsets are much easier than bottom brackets. I have tools for both and have done quite a few of them. Both of these are critical only because overtightening is common for those that don’t know better and it is fatal to the races. Other than that, it is pretty straight forward with the correct tools . I have a mix of Sugino, Park, and Campagnolo tools.
|
I'm curious as to whether that Shimano headset can be serviced since it says "Sealed Mechanism" right on it.
|
Originally Posted by davester
(Post 21420070)
I'm curious as to whether that Shimano headset can be serviced since it says "Sealed Mechanism" right on it.
|
I've serviced 600 headsets without marring them by wrapping the nuts with electrical tape and using adjustable wrenches.
|
Originally Posted by SurferRosa
(Post 21420017)
....the never used 36mm end...
|
Originally Posted by madpogue
(Post 21420242)
What do you use on 1 1/8 headsets?
. In another life, I guess I did have a couple mtn bikes ('98 Cannondale, '05 giant), but never serviced their headsets. |
Originally Posted by T-Mar
(Post 21419124)
Shimano's EX series headsets (i.e. scalloped) are designed so that they will also work with a standard 32mm headset wrench. However, the dedicated wrenches are far less prone to marring the headset as slippage is almost impossible. This eliminated the drawbacks for lighter, aluminum headsets and facilitated adjustment. It was a superior design, which cyclists did not appreciate.
I agree the wrench provided the best adjustment available for those head sets. But what I found to be problematic with the design of the cups and cones of those was the very thin steel insert that broke down on the lower race that then led to dimpling of the inner race. Another pet PITA on those was the super thin o-ring for the seal on the lowest race that was supposed to keep debris out of the bearings. That o-ring almost immediately broke and was never to found again, and was not easily sourced. I've got one sitting in the archives that is a perfect example of that damage. JMHO, MH |
Originally Posted by robertj298
(Post 21418865)
I have 2 I would like to do first. Miyata 912 and Specialized Sequoia
https://i.ebayimg.com/images/g/S7UAA...-0/s-l1600.jpg https://www.ebay.com/itm/headset-wre...-/152738970081 |
Originally Posted by SurferRosa
(Post 21420276)
Overhauled, owned, and serviced dozens of vintage road bikes, but never ran across one of those.
|
Originally Posted by davester
(Post 21420070)
I'm curious as to whether that Shimano headset can be serviced since it says "Sealed Mechanism" right on it.
N.B., in a pinch a standard 32mm headset wrench will work on the scalloped Shimano parts, if you're careful. http://www.os2.dhs.org/~john/ex-headset.jpg |
| All times are GMT -6. The time now is 07:52 AM. |
Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.