Cones and bearings_80s wheels
- frailer5
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Cones and bearings_80s wheels
Postby frailer5 » Mon Apr 01, 2013 6:28 pm
- drubie
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Re: Cones and bearings_80s wheels
Postby drubie » Mon Apr 01, 2013 6:35 pm
- frailer5
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Re: Cones and bearings_80s wheels
Postby frailer5 » Mon Apr 01, 2013 6:46 pm
So many questions...
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Re: Cones and bearings_80s wheels
Postby drubie » Mon Apr 01, 2013 7:28 pm
A generic crank puller will get a Sakae crank off - they're all pretty much identical (I use mine on everything including square taper campagnolo, stronglight, SR, shimano, sugino etc. etc.). They will get anything off as the threading is standard.frailer5 wrote:Thanks Drubie. I'll kick on a little here... Been a while since I did this stuff, (don't ask how long), so can do wheel bearings, headsets, but never attempted BBs, not that I'm afraid to. Maintenance stand coming this week. What will I need to tackle BBs? Should I go for a basic Park kit? Recommendations? Crank is a Sakae SR. Do I need a specific puller? Or are they a bit generic from the era?
So many questions...
To get the bottom bracket out, don't tell anybody but I use a hammer and a screwdriver to remove the lock rings on the old school BBs (I do have the proper tools for modern ones ). The fixed cup will come out easily with the sheldon trick of using a big bolt, nut and washer. Put the bolt into the fixed cup with the nut on the inside and tighten the bolt - that is the right direction for a fixed cup to come out. Never had a traditional BB beat me yet although some of the later ones have a rubber seal on them that you don't want to crush if you're going to re-use it. Generally, if the BB is going back on the bike I leave the fixed cup in place and dismantle from the other side then just clean it out and put it back together with fresh grease (or better bearings if they are had it). If you're fitting a sealed bearing BB then just tear the old one out with the bolt and nut.
Really, the only special tool you need for older BB's and cranks is the crank puller.
http://www.ebay.com.au/itm/Bike-Bicycle ... 147&_uhb=1
That one will cost less than $4. You can spend a lot more and get the same tool pretty much - some of the more expensive ones have extra fittings on them to do a wider variety of crank bolts etc. but for old 80s roadies that will do it.
Invest in a proper pedal wrench too while you're buying tools.
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Re: Cones and bearings_80s wheels
Postby frailer5 » Mon Apr 01, 2013 7:41 pm
.... hah, ordered.
- QuangVuong
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Re: Cones and bearings_80s wheels
Postby QuangVuong » Mon Apr 01, 2013 7:54 pm
And what hub are on those wheels? If the hub is pitted, then it's gone. The cone can be replaced(nice selection on eBay) and would be quite universal. I've swapped balls, cones and axles between bikes before, and they're fine. Just find the right sized axle balls and cones, and you should be ok.
- frailer5
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Re: Cones and bearings_80s wheels
Postby frailer5 » Mon Apr 01, 2013 9:15 pm
Crank surfaces. Shall squirt with some Inox the day before. May help. Then proceed and see what happens. What's that catch phrase these days? It's a 'journey'. It's only since I flicked the MTB and re-Retro'd that I've felt motivated to go back into territory I'd left decades ago. Feels familiar though.
Anyone got an opinion on which full BB kits as a solution if it's, in the title of the Emmylou Harris song, 'Too Far Gone'.
- landscapecadmonkey
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Re: Cones and bearings_80s wheels
Postby landscapecadmonkey » Mon Apr 01, 2013 10:11 pm
http://www.moruyabicycles.com.au/conten ... spare.html
You just need to be sure of what part you need
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Re: Cones and bearings_80s wheels
Postby LugNut » Mon Apr 01, 2013 10:42 pm
http://wheelsmfg.com/hub-parts" onclick="window.open(this.href);return false;
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Re: Cones and bearings_80s wheels
Postby Dan » Mon Apr 01, 2013 10:57 pm
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Re: Cones and bearings_80s wheels
Postby LugNut » Mon Apr 01, 2013 11:19 pm
Agree - But you can't order trashed wheels from your computer chairDan wrote:Drubie on the ball as normal. $4 crank puller more than adequate, and no need to go buying pricey replacement cones, etc. unless absolutely necessary. Like stated earlier - serviceable parts from trashed wheels.
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Cones and bearings_80s wheels
Postby Dan » Mon Apr 01, 2013 11:21 pm
http://www.ebay.com" onclick="window.open(this.href);return false; you're not trying hard enough!!LugNut wrote:Agree - But you can't order trashed wheels from your computer chairDan wrote:Drubie on the ball as normal. $4 crank puller more than adequate, and no need to go buying pricey replacement cones, etc. unless absolutely necessary. Like stated earlier - serviceable parts from trashed wheels.
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- singlespeedscott
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Re: Cones and bearings_80s wheels
Postby singlespeedscott » Mon Apr 01, 2013 11:32 pm
- frailer5
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Re: Cones and bearings_80s wheels
Postby frailer5 » Tue Apr 02, 2013 10:22 am
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Re: Cones and bearings_80s wheels
Postby rogerrabbit » Tue Apr 02, 2013 12:36 pm
Campagnolo axles have different threads to Japanese ones. Dura Ace cones can only be replaced with Dura Ace cones as the outer diameter is smaller and the bearing surface is a different shape to many.
If the cups are shot, chuck the hub unless it is Campagnolo, in which case the cups can be removed and replaced.
I have a drawer of old Hubs axles and cones and generally find you have to match reasonably well for things to work smoothly.
Cheers
Roger
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Re: Cones and bearings_80s wheels
Postby LugNut » Tue Apr 02, 2013 1:13 pm
Replace the cups? That lamp I made out of pitted Campag hubs wasn't such a bright idea then. Don't fret, there wasn't anything high end in there.rogerrabbit wrote:Older Stronglight and TA cranks have their own threads and need specific pullers.
Campagnolo axles have different threads to Japanese ones. Dura Ace cones can only be replaced with Dura Ace cones as the outer diameter is smaller and the bearing surface is a different shape to many.
If the cups are shot, chuck the hub unless it is Campagnolo, in which case the cups can be removed and replaced.
I have a drawer of old Hubs axles and cones and generally find you have to match reasonably well for things to work smoothly.
Cheers
Roger
- frailer5
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Re: Cones and bearings_80s wheels
Postby frailer5 » Tue Apr 02, 2013 1:34 pm
I gave lovemiyata my TA crank puller when I gave him the Viscount Sebring last year. (I'd upgraded to a TA triple after I bought it in '78). Been told it's a silly idea giving tools away, even if you think you won't need them. Probably correct.rogerrabbit wrote:Older Stronglight and TA cranks have their own threads and need specific pullers.
Cheers
Roger
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Re: Cones and bearings_80s wheels
Postby drubie » Tue Apr 02, 2013 5:32 pm
It's hard to go past these for good value bottom brackets at $10 each:
http://www.cyclingdeal.com.au/buy/vp-tr ... bb/VP-BC73
cyclingdeal also have genuine shimano un26 ones for $12 but not in the same variety of sizes.
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Re: Cones and bearings_80s wheels
Postby munga » Tue Apr 02, 2013 6:06 pm
pics!LugNut wrote: Replace the cups? That lamp I made out of pitted Campag hubs wasn't such a bright idea then. Don't fret, there wasn't anything high end in there.
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Re: Cones and bearings_80s wheels
Postby rebilda » Tue Apr 02, 2013 7:53 pm
QuangVuong wrote:Be careful with that crank puller. Older cranks that have been sitting on the BB forever will be stuck hard. I sadly stripped my threads when doing it.
And what hub are on those wheels? If the hub is pitted, then it's gone. The cone can be replaced(nice selection on eBay) and would be quite universal. I've swapped balls, cones and axles between bikes before, and they're fine. Just find the right sized axle balls and cones, and you should be ok.
If the cranks are tight, just warm them up a little with one of those "hair drier on Steriods" heat guns. You can get one at Super Crap Auto, pretty cheap. They are an incredibly usefull tool
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Re: Cones and bearings_80s wheels
Postby drubie » Tue Apr 02, 2013 7:59 pm
We need a sticky thread with everybodys favourite tricks and tools in it - heat is useful in the workshop and I have one of those cheap guns, it gets more use than I thought it would when I bought it.rebilda wrote:QuangVuong wrote:Be careful with that crank puller. Older cranks that have been sitting on the BB forever will be stuck hard. I sadly stripped my threads when doing it.
And what hub are on those wheels? If the hub is pitted, then it's gone. The cone can be replaced(nice selection on eBay) and would be quite universal. I've swapped balls, cones and axles between bikes before, and they're fine. Just find the right sized axle balls and cones, and you should be ok.
If the cranks are tight, just warm them up a little with one of those "hair drier on Steriods" heat guns. You can get one at Super Crap Auto, pretty cheap. They are an incredibly usefull tool
I have had one set of cranks that gave me trouble but only because somebody else had ruined the first 3mm of threading - I assume they tried to pull the crank without winding the tool in far enough first.
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Re: Cones and bearings_80s wheels
Postby frailer5 » Tue Apr 02, 2013 9:44 pm
Good tip.
Oh yeah Drubie, we all love a bit of good karma.
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Re: Cones and bearings_80s wheels
Postby munga » Tue Apr 02, 2013 10:34 pm
- frailer5
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Re: Cones and bearings_80s wheels
Postby frailer5 » Wed Apr 03, 2013 5:48 am
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