cones on shimano 600 rear hub badly pitted. wheels MFG doesn't stock them. am I SOL?
12-06-14, 07:44 PM
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cones on shimano 600 rear hub badly pitted. wheels MFG doesn't stock them. am I SOL?
while in the process of replacing a bent axle, I realized one of my cones was badly pitted. the hub is a rear Shimano 600. it's pretty old. wheels manufacturing doesn't seem to stock the proper cones. am I totally out of luck here? are there other cones I can substitute?
12-06-14, 07:57 PM
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I've usually just taken the cone and axle to a LBS that has a good assortment of old parts and find one that looks like a reasonably close match.
12-06-14, 08:10 PM
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that makes sense. they're old enough hubs that whatever damage a slight mismatch may cause is probably not worth losing sleep over. i'll go dig through the bins at the co-op tomorrow.
12-06-14, 09:13 PM
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If that doesn't work our send me an e-mail at rccardr@cox.net. I have some older 600 cones and can mail you one.
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12-06-14, 09:27 PM
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There's a Plan-B (more like Plan-C) repair that sometimes can save a worn set of cups or cones (or both).
If you substitute smaller balls for the originals, the ball track will be in a different place. If the worn track isn't too wide, you could be running on a virgin part of the cone, and go another 50,000 miles.
OF course. plan A is to buy or scrounge proper replacements. Since few people rebuild new rims on old hubs these days, there should be a decent number of good condition hubs heading for the trash bin, and a friendly mechanic can keep an eye out for the right one. (2 beers in advance, 2 more on delivery).
If you substitute smaller balls for the originals, the ball track will be in a different place. If the worn track isn't too wide, you could be running on a virgin part of the cone, and go another 50,000 miles.
OF course. plan A is to buy or scrounge proper replacements. Since few people rebuild new rims on old hubs these days, there should be a decent number of good condition hubs heading for the trash bin, and a friendly mechanic can keep an eye out for the right one. (2 beers in advance, 2 more on delivery).
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12-06-14, 10:50 PM
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while in the process of replacing a bent axle, I realized one of my cones was badly pitted. the hub is a rear Shimano 600. it's pretty old. wheels manufacturing doesn't seem to stock the proper cones. am I totally out of luck here? are there other cones I can substitute?
If you measure the existing cones, you might get away with ordering the ones with the closest measurements.
12-07-14, 10:40 AM
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It could be worth checking through here to see if something would match up. Hub Parts
You can also find NOS parts on ebay sometimes as well.
You can also find NOS parts on ebay sometimes as well.
12-07-14, 11:57 AM
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12-07-14, 05:41 PM
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Take a caliper to the existing hubs, and paw through the WM catalog. You may find a match in the non-Shimano parts, or find a cone that is so close that the difference is trivial.
12-08-14, 03:25 PM
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12-08-14, 05:15 PM
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There's a Plan-B (more like Plan-C) repair that sometimes can save a worn set of cups or cones (or both).
If you substitute smaller balls for the originals, the ball track will be in a different place. If the worn track isn't too wide, you could be running on a virgin part of the cone, and go another 50,000 miles..
If you substitute smaller balls for the originals, the ball track will be in a different place. If the worn track isn't too wide, you could be running on a virgin part of the cone, and go another 50,000 miles..
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12-08-14, 05:45 PM
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That's for both the front and rear? I believe that means you have the freewheel variant of the hub:
The cassette/freehub version would be marked FH-6207:
(Images stolen from VeloBase.
)
That still doesn't get us a Wheels Mfg part #, but should help anyone digging through their junk bins.
The cassette/freehub version would be marked FH-6207:
(Images stolen from VeloBase.
)That still doesn't get us a Wheels Mfg part #, but should help anyone digging through their junk bins.
12-09-14, 08:27 PM
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Best bet is scavenging parts from old hubs but if in a pinch, I successfully resurfaced the cones and races on an old Campy hub by cleaning out the grease and substituting fine valve grinding compound and running the axle with a drill for about 10-15 minutes. I went through several grades of compound to get a very fine finish. Replace the balls when you are done and clean out the whole thing very thoroughly before reassembly. It will grind very slowly as valve compound is meant to cut sliding surfaces instead of rolling, but hey it does work. I have 3 years on that hub now and rolling like new. It did not cut through the surface hardening of the cones or races, I have a post about this somewhere on BF if you want to search for it...
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