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BigSteev
Joined: 04 Jul 2006
Posts: 282
Location: London
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 Posted: Fri Mar 26, 2010 11:28 am Subject: |
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| I'm envisaging a version of master chef with skaters/cyclists baking chains, boots, and other paraphernalia. |
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Howard
Joined: 24 Jan 2010
Posts: 333
Location: W2 now init.
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| Posted: Sat Mar 27, 2010 8:43 pm Subject: |
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Anyone go as far as stripping and re-lubing hubs, BB etc? Or is this a once every 2000 miles job?
Looking forward to stripping and rebuilding my Alfine hub in six months time  |
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ed!
Committee Member
Joined: 13 Mar 2005
Posts: 4455
Location: E R, London
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| Posted: Sat Mar 27, 2010 10:22 pm Subject: |
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| Howard wrote: |
Anyone go as far as stripping and re-lubing hubs, BB etc? Or is this a once every 2000 miles job?
Looking forward to stripping and rebuilding my Alfine hub in six months time |
I got my tips from Matthew, so can't claim credit.
Every 2000 miles? Maybe I'll pop it to Condor to let some one else do that for me |
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BigSteev
Joined: 04 Jul 2006
Posts: 282
Location: London
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| Posted: Sat Mar 27, 2010 10:27 pm Subject: |
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| Howard wrote: |
Anyone go as far as stripping and re-lubing hubs, BB etc? Or is this a once every 2000 miles job?
Looking forward to stripping and rebuilding my Alfine hub in six months time |
Not often, but have done it it's needed. Mind you, most of my stuff has sealed bearings and they rarely seem to need any attention. |
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peterc
Joined: 10 Mar 2004
Posts: 1284
Location: M3 somewhere
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| Posted: Mon Mar 29, 2010 4:32 pm Subject: |
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| Howard wrote: |
Looking forward to stripping and rebuilding my Alfine hub in six months time |
You got one too...
Like to have a look at another, mine seems veeery draggy.
There are some good shots on hubstripping if you fancy taking yours apart. Had a go myself looking for something wrong in mine. The plastic cover may need a special tool. |
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Howard
Joined: 24 Jan 2010
Posts: 333
Location: W2 now init.
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| Posted: Tue Mar 30, 2010 10:58 pm Subject: |
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| peterc wrote: |
Like to have a look at another, mine seems veeery draggy.
There are some good shots on hubstripping if you fancy taking yours apart. Had a go myself looking for something wrong in mine. The plastic cover may need a special tool. |
Draggy? Not sure entirely what you mean, but over-tightening the locking bolts will cause the hub to freewheel poorly. If you wheel the bike forwards do the pedals rotate (like a fixed)? If so you might have it too tight.
The hubstripping shots are good - think I'm going to make a vid when I do mine - no special tools needed. |
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peterc
Joined: 10 Mar 2004
Posts: 1284
Location: M3 somewhere
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| Posted: Wed Mar 31, 2010 10:41 am Subject: |
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| Howard wrote: |
Draggy? Not sure entirely what you mean, but over-tightening the locking bolts will cause the hub to freewheel poorly. If you wheel the bike forwards do the pedals rotate (like a fixed)? If so you might have it too tight. |
Yes, that's it. The freewheel picks up the pedals and spins them up to the wheel speed within a few revs. The whole set up generally when spun up to 20mph and then left spinning in the air the wheel stops within I think 20sec if I recal, in all gears (this is on a small 24" rim)
as far as special tools, I had a plastic thing I thought was a dust cover, turned out to be a threaded locking ring type thing that if I recall is a reverse thread, but it is marked. |
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Howard
Joined: 24 Jan 2010
Posts: 333
Location: W2 now init.
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| Posted: Wed Mar 31, 2010 2:46 pm Subject: |
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| peterc wrote: |
Yes, that's it. The freewheel picks up the pedals and spins them up to the wheel speed within a few revs. The whole set up generally when spun up to 20mph and then left spinning in the air the wheel stops within I think 20sec if I recal, in all gears (this is on a small 24" rim) |
Hmmm. As said mine will do this if the locking bolts are over-tightened but seems fine if they are backed off again. Without a torque wrench I'm not sure what they are tightened to so I don't know if they are near to what Shimano specify but they are certainly tight.
I'm on 700c, will give it a spin tonight and compare it to my CAAD9. I've heard others mention the kind of laggyness you've described but haven't noticed it myself.
| peterc wrote: |
as far as special tools, I had a plastic thing I thought was a dust cover, turned out to be a threaded locking ring type thing that if I recall is a reverse thread, but it is marked. |
I've heard about this too - apparently you can get it off without anything special with a bit of perseverance. Will report back |
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peterc
Joined: 10 Mar 2004
Posts: 1284
Location: M3 somewhere
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| Posted: Thu Apr 08, 2010 4:36 pm Subject: |
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| lossened the cone on the disc side, and it seems better now, but there is lateral slop in the rim now, so I may have taken it too far. (shame) |
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Howard
Joined: 24 Jan 2010
Posts: 333
Location: W2 now init.
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| Posted: Sat Apr 10, 2010 10:57 pm Subject: |
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| peterc wrote: |
| lossened the cone on the disc side, and it seems better now, but there is lateral slop in the rim now, so I may have taken it too far. (shame) |
Played around with this today. 700c spun up to 20mph(ish) spins down in about thirty five seconds whilst pushing the pedals around a couple of revolutions. Interestingly a Rohloff hub on a Cannondale I looked at today seemed to drive the pedals even more whilst there seemed to be quite a large variation in the freewheel drag on a couple of alfine / nexus bikes I looked at. |
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