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Old 05-08-07, 01:28 AM
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EvilV
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Originally Posted by jur
Yeah I have had the issue with the crank dragging along when wheeling the bike along as well. I have found it differs from hub to hub. The one that came with my R20 is a dog. I have cleaned and lubed it with all sorts of lubes, without much success. It drags terribly. That one also leaks the oil out immediately. One that I picked up off the side of the road a few weeks ago is hugely better. It spins so easily, I may just transplant the innards to my R20 wheel. I have puzzled over it but can't say for sure what the cause is. I don't think it is the seals. On the maintenance instructions you'll find that in the trouble-shooting section, one of the reasons given is chain too tight, another is dragging seals. It's not either of those.
Interesting to read of your experiences Jur. I think I read that having the cones too tight could also cause it. I've googled the kind of terms you'd expect and found lots of info about lubing the older hubs. Normally the fault finder chart mentions corrosion and lack of lubrication as the causes of this, but plenty of references were found to using too heavy a lubricant. When I stripped the thing and watched how those little planet gears spin as you rotate the hub on a fixed axle, it would be no surprise that heavy lube would cause a problem. Ordinary bearing grease on the internals is a 'no no' of course as is any heavy lube, but you probably already know all that. Here is a reference to over-tight cone adjustmet:

http://www.cyclingforums.com/showthread.php?t=288367



http://vancruisers.ca/Members/bhughe...peed-hubs/view

This chart is worth a look:

http://www.users.globalnet.co.uk/~hadland/sa/safaultfind.pdf

Last edited by EvilV; 05-08-07 at 01:48 AM.
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