Funny thing, RBW's website says all Rivs can use a 107 BB, and no
question
about it, the Sugino XD cranks fit very nice and close with the 107
unit.
Hey, I just gained some pedal strike clearance! But it came assembled
from
Riv with the UN40 113 unit.
- Andrew, Berkeley
That's an interesting
Here's the link to the cartridge BB page that references the 107mm BB for
all Rivendells in combination with the XD2 crank:
http://www.rivbike.com/product-p/bbc.htm
I realized later, that the QB probably came with a wider BB in order to get
its inner ring out from the chainstay. I'm running a
I got one of those, smooth out of the box, felt like a box of rocks
after a year and maybe 6k miles, I don't think the seals were good.
Maybe just mine, dunno. I have un shimanos that are smooth for well
over ten years of hard use.
Yep.
Mark
Howtostretch
On Nov 3, 5:58 am, stevef
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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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
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
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
sarcasm
That's not a crack, that's a self-triggered strain relief.
/sarcasm
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On Mon, Oct 31, 2011 at 2:11 PM, William tapebu...@gmail.com wrote:
sarcasm
That's not a crack, that's a self-triggered strain relief.
/sarcasm
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
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
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
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 philip.william...@gmail.com
wrote:
I cracked the plastic left BB cup on my
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 uscpeter11...@gmail.com wrote:
Isn't the UN54 only like 20 bucks?
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