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  1. #1
    Senior Member badger_biker's Avatar
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    Front crankset and chain mix question

    I want to put a trekking or compact triple crankset on my mid 80's Schwinn Letour. Someone has a Shimano M361 that is never been used but I'm not sure how old it is. Anyway it looks like the new ones are 9 speed and I'm wondering if a 6 or 7 speed chain will work with the crankset?

    I have bar end pods that I want to use with a set of 6 speed index levers and that is the main reason I'm not upgrading the rear to more speeds.

    Am I safe to take a wider chain with me and see if it binds between the chain rings and if not, it should work?
    Thanks for any advice.
    1975 Motobecane Le Champion
    1984 Bridgestone 400 -- 1985 Specialized Expedition 1986 Cannondale ST400 and Nishiki Cascade -- 1987 Trek Elance 400T and Schwinn Voyageur
    1990 Cannondale ST400 -- 1994 Univega Via Carisma

  2. #2
    Bianchi Goddess Bianchigirll's Avatar
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    that certainly is a compact crankset. the rings are smaller than the ones on my mountain bike (28,38,48). a 42 for the 'bigring' means alot of spinning. the chain should work, I think the big issue with chains is the the other way around using a 9sp chain on a 6 spd crank. your putting your DT shifters on as barends?

    OH you need a new BB too.
    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 badger_biker's Avatar
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    2004 Specialized Sequoia Elite, 1990 and 1986 Cannondale ST400, 1987 Trek 400 Elance, 1987 Schwinn Voyageur, 1986 Nishiki Cascade, 1985 Specialized Expedition, 1984 Bridgestone 400, 1975 Motobecane Le Champion
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    Quote Originally Posted by Bianchigirll View Post
    that certainly is a compact crankset. the rings are smaller than the ones on my mountain bike (28,38,48). a 42 for the 'bigring' means alot of spinning. the chain should work, I think the big issue with chains is the the other way around using a 9sp chain on a 6 spd crank. your putting your DT shifters on as barends?

    OH you need a new BB too.
    Actually this one is a 48-38-28. I have a set of pods with shifters to use as barends. I'm just hoping I can mount the adjustable cable stops on the studs of my Suntour Symmetric DT body because it is a top mount and the bike doesn't have the usual side braze ons. Yes I'll have to get a new longer spindle.

    It is going to be quite a cobbled machine with a Deore RD and Mountech FD but the crank is the only thing I need to purchase. So I guess it's worth a try to make it a little more touring friendly :-)
    1975 Motobecane Le Champion
    1984 Bridgestone 400 -- 1985 Specialized Expedition 1986 Cannondale ST400 and Nishiki Cascade -- 1987 Trek Elance 400T and Schwinn Voyageur
    1990 Cannondale ST400 -- 1994 Univega Via Carisma

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