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Old 09-04-10, 06:23 PM   #1
retyred
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Need info on Suntour Power Shifters, Sugino Super Maxy cranks

Went to my warehouse today and while there decided to tinker with a 1983 Nishiki International I bought several months ago. I only have two bikes that are Japanese so my knowledge of Japanese parts would fill a thimble. Anyway what can the C&V crowd tell me about the DT shifters and cranks on my Nishiki? Is there anything special about the Suntour Power shifters? were they any good? Thanks.



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Old 09-04-10, 06:25 PM   #2
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I had the super maxy crank on an old Centurion Super Lemans, seemed like a nice solid well-crafted crank.
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Old 09-04-10, 06:45 PM   #3
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the shifters while a bit bulky are great. they are a raatchet shifter and are more or less a cruder version of a retrofriction shifter. minimum resistance shifting from the hard to easy gear but the ratchet mech. helps hold the gear better than friction.

great looking crank. and great looking bike

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Old 09-04-10, 07:14 PM   #4
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Those shifters are excellent.

If the crank doesn't flex too much, it's fine.
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Old 09-04-10, 08:25 PM   #5
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A Sugino Super-Maxy came stock on my Schwinn Voyageur 11.8, it was a nice crank, it polished up really well, and I sold it to my friend, and he likes it a lot.
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Old 09-04-10, 09:26 PM   #6
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Your crankset looks OK, but the original early 1970s Maxy was cr@p, with an integral 3-bolt spider and outer chainring that was swaged to the crank arm. The Campagnolo clone Mighty Compe was vastly superior, although they occasionally broke. (Been there ... done that.)
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Old 09-04-10, 09:31 PM   #7
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Your crankset looks OK, but the original early 1970s Maxy was cr@p, with an integral 3-bolt spider and outer chainring that was swaged to the crank arm. The Campagnolo clone Mighty Compe was vastly superior, although they occasionally broke. (Been there ... done that.)
The Mighty Comp was the "racing" version with a 42-tooth small chainring. The Mighty Tour was similar with a 34-tooth minimum chainring. The Super Maxy was a step below them, with a swaged-on big chainring or spider. As long as it doesn't wiggle, it's fine.
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Old 09-04-10, 11:39 PM   #8
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The Mighty Comp was the "racing" version with a 42-tooth small chainring. The Mighty Tour was similar with a 34-tooth minimum chainring. The Super Maxy was a step below them, with a swaged-on big chainring or spider. As long as it doesn't wiggle, it's fine.
Maybe you're the guy to ask: What's the necessary taper (ISO or JIS) and what's the recommended spindle length for a Mighty Tour crankset set up as a triple?
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Old 09-05-10, 12:01 AM   #9
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Is there anything special about the Suntour Power shifters? were they any good?
The Power Shifters are the same mechanism that's fitted to the different thumbshifters that people love so dearly. Myself included.
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Old 09-05-10, 08:07 AM   #10
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The shifters work well, but I think they're clunky and cheap looking. I'd replace them with these if I really liked the bike.

http://www.rivbike.com/products/show...ube-kit/17-101
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Old 09-05-10, 09:32 PM   #11
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Maybe you're the guy to ask: What's the necessary taper (ISO or JIS) and what's the recommended spindle length for a Mighty Tour crankset set up as a triple?
JIS taper. Spindle length varied with bike design (one reason I don't like the current crop of one-width-fits-all cranks). A touring bike might have a 122mm spindle, a mountain bike might have 127mm spindle. In general, you want as short a spindle as will work without parts running into each other. Usually the small chainring will run into the frame- be careful during initial installation.

FWIW: I have a NOS Sugino Mighty Tour triple crank in my collection. No, I'm not selling it- I have a very strange purpose for it.
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Old 09-05-10, 10:25 PM   #12
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Where can I get ratchet thumb shifters?
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Old 09-05-10, 11:28 PM   #13
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Where can I get ratchet thumb shifters?
There's a couple variations on the theme- I think they're all pretty much the same, the lever is just different.





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Old 09-06-10, 09:20 PM   #14
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Hmm, maybe I can clamp a boss onto my handlebar with a hose clamp or two...
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Old 09-07-10, 06:37 AM   #15
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Since we are on the subject, I need to find some kind of Sugina double cotterless crankset with a 34T inner chainring. Any suggestions ? Local bike shop (?), or try Ebay ? If Ebay, what category in bikes do you look under ? I just picked up a Puck mixtie road bike for my wife, in purple, which she loves. However, she needs a lower gear and I thought, if I can find it, a 34/48 crankset would be best.
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Old 09-07-10, 11:02 AM   #16
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The Campagnolo clone Mighty Compe was vastly superior, although they occasionally broke. (Been there ... done that.)
To be fair, so did the Campagnolo cranks.
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Old 09-08-10, 07:29 PM   #17
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I have the top two. They are a little different internally, but functionally similar. The top one has the same basic mechanism as the ratchet version of the Suntour Command (butterfly-lever) shifters, I think. I've never taken mine apart, because it doesn't come apart easily. The middle one is the one I prefer, The lever is a little longer, and smoother-operating, in my experience. It's easy to take apart and clean and put back together. It's the same lever as used on the DT versions of this sifter. The bottom one I've never had my hands on, but it looks like the same basic lever as the middle one. Maybe the lever is a little shorter? If so, then it might be the same lever as the bar-end version used?

Where can you get the thumb versions? Ebay. $10 to $25 for the stem, DT, and thumby versions. Bar-ends maybe $10-20 more than that. (Command version a LOT more than that).

EDIT/correction - Just went and looked at mine, and the top one does have the same mechanism as the middle one. The top one uses the same mounting bracket design as the Command shifters I have. Command shifters (or at least the ones I have) can be mounted on 7/8" MTB bars using this style of thumby bracket; these thumbies could be mounted on 15/16" road bars with Command shifter brackets (not sure why you'd want to do the latter, but who knows).

Quote:
Originally Posted by The Golden Boy View Post
There's a couple variations on the theme- I think they're all pretty much the same, the lever is just different.






Last edited by mcgreivey; 09-08-10 at 07:40 PM.
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