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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 11-03-07, 01:41 AM   #1
HappyHumber
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Shimano UN54 BB & Sugino 75s

I've seen numerous references to people successfully using the 107mm UN53 & UN73 Bottom brackets with their Sugino 75s - but more recently have noted that Shimano no longer makers these and their new equivalent is the UN54.... just wondering if anyone's had the same joy with the new model ?
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Old 11-03-07, 02:03 AM   #2
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I've seen numerous references to people successfully using the 107mm UN53 & UN73 Bottom brackets with their Sugino 75s - but more recently have noted that Shimano no longer makers these and their new equivalent is the UN54.... just wondering if anyone's had the same joy with the new model ?
The taper will be off in either case---75's are ISO taper and shimanos are JIS. I'm sure you can get away with it now as much as you could then---the new uns are just another 107mm jis tapered bb. But it's not recommended and lots of people will tell you not to do it.
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Old 11-03-07, 03:10 AM   #3
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But it's not recommended and lots of people will tell you not to do it.
I guess this was inevitable, going on all the old threads I've dug through. I know there's plenty of naysayers on the idea, but I guess I was directing this more at those that have used the Shimanos.

oh and before anyone else says anything; I want a sealed unit. that's why I'm not considering the Sugino 75 BB itself. Yes I am lazy on the regular repacking idea.

I don't know, I might dish out for a Phil JIS 'specially since the Aussie Dollar is looking better against the Greenback of late.... I must be due another big order.. they're always fun.
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Old 11-03-07, 07:35 AM   #4
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75's are ISO taper and shimanos are JIS.
I thought it was the other way around.
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Old 11-03-07, 07:41 AM   #5
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Shimano are definitely JIS, and the 75 is definitely ISO.

Miche make a decent sealed ISO BB. It's for the track, so as long as you have a ~43mm chainline, you'll be fine.
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Old 11-03-07, 07:44 AM   #6
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I thought it was the other way around.
Sugino 75 = NJS approved therefore ISO

Shimano = JIS
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Old 11-03-07, 09:12 AM   #7
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Sugino 75 = NJS approved therefore ISO

Shimano = JIS
Thanks!
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Old 11-03-07, 09:47 AM   #8
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I ran my Sugino 75s with a UN54 68x107 and never had any issues. Chainline was fine with a Phil rear hub, EAI cog.
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Old 11-03-07, 10:15 AM   #9
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Sugino 75 = NJS approved therefore ISO
What? you pulled that out of your ass.
since when did cranks have to be ISO tapered in order to be NJS approved?

Shimano 7600 = JIS
Shimano 7710 = Octalink.
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Old 11-03-07, 10:34 AM   #10
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it doesn't have to be iso to be njs. sugino 75s are, for whatever reason, the only iso crank sugino makes. they're also njs. i get what you're saying--the way that post was worded, i'm not sure if he's implying njs=iso, but i think it was just saying it the way sheldon brown's website words it....sugino=jis, except for the njs, which is iso.
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Old 11-03-07, 12:10 PM   #11
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just get the campy centaur bb. it's like 60 bucks.
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Old 11-03-07, 12:44 PM   #12
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just get the campy centaur bb. it's like 60 bucks.
Agreed, there are even cheaper campy ones out there too, like $40. The Miche is also really nice and has some adjustability.
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Old 11-03-07, 01:09 PM   #13
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I've tried several sealed BBs for my 75s..Phil, Shimano, etc. and for numerous reasons (mostly chainline and durability issues), I've never been completely satisfied with any of them. Go with the 75 BB...you'll be happier in the long run, even if it requires a little more maintenance.
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Old 11-03-07, 01:29 PM   #14
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The 75 BB is so smooth anyway... gotta love it.
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Old 11-03-07, 06:10 PM   #15
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Agreed, there are even cheaper campy ones out there too, like $40. The Miche is also really nice and has some adjustability.
What length spindle are guys talking for the Campy & Miche units ?
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Old 11-03-07, 06:13 PM   #16
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just get the campy centaur bb. it's like 60 bucks.
You say that like 60 bucks is cheap.

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I've tried several sealed BBs for my 75s..Phil, Shimano, etc. and for numerous reasons (mostly chainline and durability issues), I've never been completely satisfied with any of them. Go with the 75 BB...you'll be happier in the long run, even if it requires a little more maintenance.
If there's anything you can fault on the phils and shimanos, it's not going to be durability. The only thing loose ball bb's have over cartridge is the speed and repackability.
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Old 11-03-07, 06:25 PM   #17
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The Miche comes in 107 and 110(Also for 68 and 73 shells as I recall), for around $25-30. It is handy for chainline because it does not have a "fixed" cup. You can shift it back and forth a bit to get your cog/chainring lined up(Like a Phil).
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Old 11-03-07, 06:29 PM   #18
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The Miche comes in 107 and 110(Also for 68 and 73 shells as I recall), for around $25-30. It is handy for chainline because it does not have a "fixed" cup. You can shift it back and forth a bit to get your cog/chainring lined up(Like a Phil).
yea, i just got one of these (miche 107) for my 75s. i liked that is was sealed and adjustable.
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Old 11-03-07, 06:58 PM   #19
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If there's anything you can fault on the phils and shimanos, it's not going to be durability. The only thing loose ball bb's have over cartridge is the speed and repackability.

The bearings on my Phil BB lasted about 2000 miles. I'm currently using a Shimano UN73 and its about dead. I had the bearings on the Phil BB replaced (under warrantee) but I haven't reinstalled it yet.
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Old 11-03-07, 06:58 PM   #20
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The Miche comes in 107 and 110(Also for 68 and 73 shells as I recall), for around $25-30. It is handy for chainline because it does not have a "fixed" cup. You can shift it back and forth a bit to get your cog/chainring lined up(Like a Phil).
Nice, nice... I'm getting tempted. What tool is required to install these? Miche are fairly proprietary when they can get away with it I thought ? The pics I'm looking at on the Miche site for the (1913 Primato & 1992 Team) looks more like Campy than the Shimano spline pattern.
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Old 11-03-07, 07:11 PM   #21
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Nice, nice... I'm getting tempted. What tool is required to install these? Miche are fairly proprietary when they can get away with it I thought ? The pics I'm looking at on the Miche site for the (1913 Primato & 1992 Team) looks more like Campy than the Shimano spline pattern.
Yes, they're both square taper. By "Shimano spline pattern" you probably mean Octalink (v1 or v2). Well, Octalink is proprietary to Shimano, so noone else can have it.

ISIS is a non-proprietary splined interface, but by now there are so many interpretations and reincarnations and modifications to it, that ISIS is not anymore a "standard".

ST FTW
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Old 11-03-07, 07:44 PM   #22
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The Miche is a square taper axle, english taper. You can get it in 68mm width english and Italian thread, 70mm Width(I had misremembered this as 73 english) There are 107, 110, 115 widths but some are out of stock right now.

The tool you need is a BBT-4(Park). Pedros and Campy also make a similar tool. The Pedros(I have) works fine. The Campy is about $100(surprise)
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Old 11-03-07, 08:06 PM   #23
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Yes, they're both square taper. By "Shimano spline pattern" you probably mean Octalink (v1 or v2). Well, Octalink is proprietary to Shimano, so noone else can have it.

Sorry, No... I know the spline difference. I used the wrong term there; things were gonna get confused. I was musing out loud about Shimano, because I presently only own a couple tools for the Shimano cartridge BBs.

I was wondering about the tool for inserting/removing the cartridge & cup of the Miche bottom bracket.


eg. old pre Octalink Shimano standard shown;



or
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Old 11-03-07, 08:10 PM   #24
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Sorry, No... I know the spline difference. I used the wrong term there; things were gonna get confused. I was musing out loud about Shimano, because I presently only own a couple tools for the Shimano cartridge BBs.

I was wondering about the tool for inserting/removing the cartridge & cup of the Miche bottom bracket.


eg. old pre Octalink Shimano standard shown;



or
Again: "The tool you need is a BBT-4(Park). Pedros and Campy also make a similar tool. The Pedros(I have) works fine. The Campy is about $100(surprise)"
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Old 11-03-07, 08:20 PM   #25
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or
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I just bought one of those today, it was branded INLINE and was only 8 bucks
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