Some Shimano BBs have a plastic cup. They actually work just fine for many
miles, but stomping on a loose one will crack it. You either need a
nice/new/affordable no-plastic replacement from Rivendell, or this is your
excuse to buy a fancy schmantzy Phil. Because you can adjust chainline.
Which
That's the one - thanks!
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Yes, you likely have a UN54 BB in there ... and it has a plastic cup. The
reason they usually break is people overtighten them. The need not be
torqued as the misguided instructions say! Just snug is fine. But hey,
plastic is just a bad idea period, for anything in the BB.. and Shimano's
use o
These guys have a few, but it takes some searching on their site.
http://www.niagaracycle.com/product_info.php?products_id=723975
On Oct 30, 9:58 pm, bionnaki wrote:
> I'm looking for a 1" Tektro cable hanger, specifically a "deep-drop"
> version (and in silver). Velo Orange carries them, but t
Andrew,
I'd say the UN54 is not really work saving with an UP-Cup, since
decent replacement tange bbs are not that expensive. I'd say buy a
replacement UN54 plastic cup ($3) and sell that BB on ebay or save it
for another bike.
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I love the regular Problem Solvers hanger with noodle, but the cross one's
are also 1-1/8" only.
You could always get the 1-1/8" VO one and use the shim they sell. Contact
VO though and see how long it will be until the 1" come back in stock.
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Awesome. Thanks!
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While I agree that steel is a better material for the cup, I replaced
the original BB on my Atlantis with a UN-54 with the plastic cup. A
couple of years ago I noticed it had developed a crack. The crack
does not seem to effect anything so I've not bothered doing anything
about it.
dougP
On Oct
Thanks for the link, it's always good to read this kind of rant !
:)
On Oct 28, 9:38 pm, Geoff wrote:
> Hi, is this it?-
>
> Copying the Wrong Bikes and Riders, by Grant
> Petersenhttp://webcache.googleusercontent.com/search?q=cache:GVlWJIsgiWAJ:web...
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I cracked the plastic left BB cup on my Quickbeam a couple weeks ago
trying to get rid of a creak. Yes, overtightening it. After 7 years of
perfectly serviceable plastic cup life, so the service life seems
acceptable to me.
Yesterday I took the cup out, greased it up and put it back, crack and
all
It's been awhile since I've read that article (or variations thereof).
Interesting that it doesn't ring as true now as it did even five years ago. Of
the newish bikes I see in my neighborhood now, most (anecdotally) are some kind
of entry-level 'hybrid' (hate that term, but the bikes are what mo
The above commenters are correct that the plastic cup actually works pretty
well, even when cracked. The plastic cups are the source of much hand-wringing
(despite being functionally just fine), which I suspect led to Shimano changing
to the metal cup on the newer model (according to a previous
That's not a crack, that's a "self-triggered strain relief".
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On Mon, Oct 31, 2011 at 2:11 PM, William wrote:
>
> That's not a crack, that's a "self-triggered strain relief".
>
>
I've found my problems with bottom brackets loosening up or with
cracking the plastic cups have vanished since I got a torque wrench
for my birthday the year before last. I love
My plastic cup was cracked on install by my neighborhood bike shop (in
Portland, we have those in lieu of LBS ;-). Right on top, which somewhat
annoyed me, as an otherwise out-of-sight, out-of-mind type of guy.
I figured if it mattered, I'd take it back, but they are super nice guys so
I'd give
I'm going to watch mine for a few weeks, and see if any slop or play
develops. It is tight (torqued) on the right side, and the left side,
though cracked) is serving to hold the spindle centered in the BB. I'll put
some out of the saddle stomping on it, and see how it fares.
It just seems a terrib
Up for sale is a wide Noodle Bar (48cm outside to outside, and 46cm apart
at the tips of the levers), along with Shimano Tiagra levers. These were
put on the frame at Rivendell, where the previous owner bought the bike out
of the showroom. They're in very good condition, showing very minimal use.
Isn't the UN54 only like 20 bucks? I would think that even with labor at
the lbs you are taking 40 bucks max. Seems like small potatoes for
something that lasts for 5 years...
On Oct 31, 2011 1:31 PM, "Philip Williamson"
wrote:
> I cracked the plastic left BB cup on my Quickbeam a couple weeks
Cleaning out the bike room! Let me know if something strikes your
fancy. All prices are plus actual postage from 97202 (likely $5-10 on
most items). Please see photos at
https://picasaweb.google.com/joebroach/BikeStuffForSale
$175 - Riv Baggins Boxy Bag w/ required Nitto F15 Bar Rack included
Well, that's no fun when the caliper doesn't fit correctly. I use a set of
those exact(champagne) brakes on one of my bikes. I do also have a NOS
set(minus one original straddle cable) that I'll likely never use if you
wish to buy them. I had saved them for future bikes ... but now that I'm
us
Well, that's no fun when the caliper doesn't fit correctly. I use a set of
those exact(champagne) brakes on one of my bikes. I do also have a NOS
set(minus one original straddle cable) that I'll likely never use if you
wish to buy them. I had saved them for future bikes ... but now that I'm
us
Hi everyone
Today im clearing out some extra stuff, all bought from Rivendell except
the seatpost, and used but not abused, except the tiagra levers. Included:
Nitto crystal fellow seatpost 27.2
Nitto Dirt Drop 100 stem
Shimano tiagra areo levers. plastic beauty ring missing on left lever afte
Peter:
You are correct on both points. High mileage riders and / or tough
conditions may shorten the life to a couple of years. That's why I
can't get too excited about SKF or Phil's.
dougP
On Oct 31, 10:40 am, Peter Morgano wrote:
> Isn't the UN54 only like 20 bucks? I would think that even
Hi everyone
I just realized i wasnt very clear about my intentions in my post. I am
looking to sell the whole group of items together. I would be willing to
take $200 obo for all the items shipped in the CONUS.
sorry for the confusion
thanks for your time
joe rex kelly
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My pleasure. :)
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