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  1. #1
    Junior Member
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    SunTour Superbe 2100 with SunTour Pro-Compe Gold 14-28. No dice?

    Hi everyone, first post so take it easy on me.
    I just picked up a Suntour Superbe 2100 rear deraileur to swap out for a Shimano Deore XT someone put on my '82 Miyata 310. After aquiring the deraileur, I read its max cog is 23 tooth. Is there any way to make it work reliably or just sell it off to get something else? Thanks in advance for your time.

  2. #2
    Bianchi Goddess Bianchigirll's Avatar
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    Hello welcoem to the forums. Any pics of your Superbe RD? If the max tooth is listed as 23 you might get it to shift to 24 maybe 25 with a small or compact chainwheel setup but not 28. Does your Miyata have a triple? sounds like you need a new long cage like another Deore or a 105 long cage.
    Bianchis '87 Sport SX, '90 Proto (2), '91 Boarala 'cross, '93 Project 3, '88 Trofeo, '86 Volpe, '89 Axis, '79 Mixte SOLD, '99 Mega Pro XL Ti, '97 Ti Megatube, , '90 something Vento 603,

    Others but still loved,; '80 RIGI, '80 Batavus Professional, '87 Cornelo, '86 Bertoni (sold), '09 Motobecane SS, '98 Hetchins M.O., '09 K2 Mainframe, '89 Trek 2000, '?? Jane Doe (still on the drawing board), '90ish Haro Escape

  3. #3
    Senior Member
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    Greetings
    Why not leave the XT derailleur on ? If you have SunTour shifters and SunTour freewheel, the Shimano derailleur will shift fine.

  4. #4
    Junior Member
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    Thanks for your reply! I don't have a picture yet, I still need to actually pick it up but here's one from disraeligearsIMGP3914_2-filtered.jpg. No triple on my Miyata, I really never use the 28T cog. I'll be moving to Chicago where there's really no hills compared to Seattle. I guess the Miyata started it's life out with a SunTour ARX RD and I really don't care for the bland/ugly Deore. I would like something smooth, reliable and not ugly but not a bazillion $'s. Was hoping the Superbe would work as is. I was looking into 105 or maybe something good from SunTour around the same era.

  5. #5
    Senior Member rekmeyata's Avatar
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    That's what I would have done Dangsharks, if there are no hills, or actually no mountains to climb, why not just get a new freewheel? I use to race in the mountains of So CAlif with nothing toothier then a 21 and doubles on the front non compact. That Suntour derailleur is a very nice derailleur, it will last forever. The cost to get a new freewheel is not all that much and besides you probably need a new one anyways or will soon. I would probably try to find a Suntour New Winner or Winner Pro 6 speed freewheel from 12 to 23 range off of E-Bay. If those are too pricey for you Shimano makes freewheels brand new that work with the Suntour system. Probably if you look at your current freewheel it's probably not the original, and that aftermarket freewheel brand may still be made today so you just get another of those with a 23 tooth max. Also some of those freewheels the cogs can come apart and replaced, problem is finding the cogs.

  6. #6
    Junior Member
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    Hi rekmeyata,
    Thank you for your info, I just looked into New Winners or another Pro Compe with a lower max and that might be a way to go. I do really like the ride of the 310, minus the saddle but after buying it in the evening (bad idea) theres a a bit of rust I'm worried about in the long term, most just on bolts (the bike lived near a town in the Puget Sound and looked like it sat in a shed for a long time) but some on the fork where the front fender attaches. So I'm not sure how much more I want to put into it. The freewheel is at least the same kind as original and in good condition, I had my girlfriend take a picture of it in Chicago for me RD.jpg Is it a terrible idea to put the Superbe on there and just not use the 28t, the second lowest gear is 24t (which I also rarely use) until I love the bike enough to get a new freewheel? I read a post somewhere on here that you can just set the Low screw way out and get it to work but seemed kinda iffy to me. Thanks again for the feedback guys. Here's the bike (I need to figure out how to post bigger pictures using my flickr account or something).
    miyata310.jpg

  7. #7
    Senior Member rekmeyata's Avatar
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    Quote Originally Posted by dangsharks View Post
    Hi rekmeyata,
    Thank you for your info, I just looked into New Winners or another Pro Compe with a lower max and that might be a way to go. I do really like the ride of the 310, minus the saddle but after buying it in the evening (bad idea) theres a a bit of rust I'm worried about in the long term, most just on bolts (the bike lived near a town in the Puget Sound and looked like it sat in a shed for a long time) but some on the fork where the front fender attaches. So I'm not sure how much more I want to put into it. The freewheel is at least the same kind as original and in good condition, I had my girlfriend take a picture of it in Chicago for me RD.jpg Is it a terrible idea to put the Superbe on there and just not use the 28t, the second lowest gear is 24t (which I also rarely use) until I love the bike enough to get a new freewheel? I read a post somewhere on here that you can just set the Low screw way out and get it to work but seemed kinda iffy to me. Thanks again for the feedback guys. Here's the bike (I need to figure out how to post bigger pictures using my flickr account or something).
    miyata310.jpg

    Nice looking bike, the rust sounds minor, it could be remedied with a small amount of work; and bolts are easy to replace, but before you start removing rusted bolts hit them with BD Blaster and it let is soak for an hour so as not to snap the bolt off inside the frame! Rust on the fork could be easily removed with sanding, or better yet a small Dremel tool with a fine sander wheel so you don't take off more area then you need to, then simply touch up the paint, black is easy to match.

    After looking at the bike I would just leave the derailleur on for the time being if money is an issue because the freewheel looks almost new. After you've used it for awhile the freewheel teeth wear out then you can replace the freewheel and at the same time put on the Suntour derailleur.

    Speaking of money, you don't need to cough up the bucks for a NOS Suntour Derailleur either, Shimano makes brand new freewheels that would work just fine with the Superbe derailleur and cost about 2/3rds less then a NOS Suntour freewheel off of e-bay. I use a Shimano freewheel on my 84 Trek 660 that has the entire Superbe pro group on it and it works just fine, I did that because I didn't want to spend $60 to $80 for a freewheel when a $20 one would work just fine.

  8. #8
    Junior Member
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    Much appreciated with your quick reply! I only was able to ride it a few times, bought the bike in Seattle and sent it on Amtrak to Chicago and rode it a few days there but moving next month. I know I need to replace the derailleur cables (rusted and kinked) so maybe I'll just do that for now and hold on to the Superbe for when the freewheel wears out and swap them both out.

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