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  1. #1
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    What thumb shifter for Bridgestone conversion

    I'm converting my Bridgestone 400 with Shimano 600 groupset to a riser bar for my dad to ride. What would be a decent thumb shifter to get without breaking the bank? 7 x 2

  2. #2
    Senior Member bikemig's Avatar
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    I'm not sure what qualifies as breaking the bank but I'd be tempted to go friction and get these from IRD:

    IRD Power Ratchet Thumb Shifters > Components > Shifters > Mountain Bike Shifters | Jenson USA

  3. #3
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    LOL, that qualifies as BTB. Nice looking shifters though.

  4. #4
    Bianchi Goddess Bianchigirll's Avatar
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    Are you looking for on top the bar thumb shifters or just any OK thumb or rapid fire type shifter?

    The good shimano Deore are getting pricy, if you can find used mounts at your local bike shop you may be able to find a deal on shifters minus the mount. There might be some shimano SIS 7spd thumb shifters out there for a OK price.

    If your open to STI/rapidfire type shifters just troll through the 'bay and find a BIN that fits your wallet.
    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,

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  5. #5
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    Thanks Bianchigirll

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    Senior Member Grand Bois's Avatar
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    It seems like a lot of people dislike Rapid Fire shifters and I've always wondered why. In my limited experience with them they worked great.

  7. #7
    Senior Member brian3069's Avatar
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  8. #8
    Senior Member sonatageek's Avatar
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    Rapid Fire Plus shifters are great. I have them on my former everyday riding bike and with 6 years and about 12,000 miles of riding they have worked like champs. Only maintenance was the initial heavy WD-40 bath to get the pawls working and then a less drastic WD-40 treatment about 2 years ago.

    If you go with friction thumb shifters I would try to find an old set of Suntour ratcheting models.

  9. #9
    自転車整備士 oldskoolwrench's Avatar
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    One thing... if you're planning to use 2" + riser bars, watch out; depending on the length of the grip area, RF+ shifters don't play very nicely right next to the bend in the handlebar. You might not be able to position the RF+ shifter pods for the best hand position. If possible, I'd still opt for thumb shifters.

  10. #10
    Still learning oddjob2's Avatar
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    Thimbies, friction? An effective $12 solution.

    Falcon Friction Thumb Shifters - Shifters - Shifting - Components
    Life is like riding a bicycle. To keep your balance you must keep moving. Albert Einstein
    2014 Additions: 1985 Trek 560, 1992 Trek Multitrack 700 (my 2nd), 1994 Trek Carbon 2200, Peugeot PX-10, 1981 Schwinn Voyager, 1989 Bridgestone RB-1

  11. #11
    Senior Member Velocivixen's Avatar
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    I have the RapidFire below the bar shifters which I cleaned up & work great, but they came with the bike. Definitely heed the point about the bend in the handlebar. If you want new & simple I'd opt for the Tourney or Falcon basic thumb shifters.

    it might also depend on whether you live near a bike co-op, how handy you are with bikes & how much energy you want to spend.

  12. #12
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    IMO- the best indexed 7s thumbshifters- the Shimano M732 Deore XT.






    Otherwise, the best friction thumbshifters are the Suntour MTB ones!


    *Recipient of the 2006 Time Magazine "Man Of The Year" Award*

  13. #13
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    Quote Originally Posted by The Golden Boy View Post
    IMO- the best indexed 7s thumbshifters- the Shimano M732 Deore XT.

    Otherwise, the best friction thumbshifters are the Suntour MTB ones!
    I am in full agreement here.

  14. #14
    Senior Member rjhammett's Avatar
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    Suntour XC Pro shifters are very nice if you can find them. I bought a set yesterday for $8.

    Travis Bickle
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    One question, will my Shimano 600 RD work with the indexed type shifters? If not i will have to go with pure friction. Thanks for all the help!

  16. #16
    Bicycle Repair Man !!! Sixty Fiver's Avatar
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    Quote Originally Posted by rjhammett View Post
    Suntour XC Pro shifters are very nice if you can find them. I bought a set yesterday for $8.

    There can be compatibility issues with Shimano if you are indexing... they are great thumbies though.

    As to 600 rear derailleurs indexing, that would depend on what generation of 600 we are talking about... later versions were indexed (tri colour) while the earlier versions were friction.

    Another great friction thumbie is the early Deore Stags Head which had a short run as it was introduced right before Shimano brought indexed shifting to the masses... they have a half ratchet and are very smooth shifters with outstanding construction.

  17. #17
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    Thanks 65er. I have pre Tri color so I guess indexing is out unless I can get another RD. I was thinking of changing out the freewheel and RD to use the Megarange Shimano FW for hills. Any thoughts on that?

  18. #18
    Senior Member rjhammett's Avatar
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    I have never had any compatibility issues mixing Suntour and Shimano shifters and rear derailleurs running 6/7 speed indexed. That being said, I have not run XC Pro shifters with a Shimano rd.

    Quote Originally Posted by Sixty Fiver View Post
    There can be compatibility issues with Shimano if you are indexing... they are great thumbies though.

    As to 600 rear derailleurs indexing, that would depend on what generation of 600 we are talking about... later versions were indexed (tri colour) while the earlier versions were friction.

    Another great friction thumbie is the early Deore Stags Head which had a short run as it was introduced right before Shimano brought indexed shifting to the masses... they have a half ratchet and are very smooth shifters with outstanding construction.
    Travis Bickle
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  19. #19
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    Quote Originally Posted by rjhammett View Post
    I have never had any compatibility issues mixing Suntour and Shimano shifters and rear derailleurs running 6/7 speed indexed. That being said, I have not run XC Pro shifters with a Shimano rd.
    There shouldn't be a problem with Accushift shifters + Accushift derailleur + Shimano FW in 6 Speed.

    I think you do get into a "situation" when you mix Accushift/SIS between shifter and derailleur.

    7 Speed is a whole 'nother animal because Suntour had variable spacing between cogs and Shimano didn't.
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  20. #20
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    Quote Originally Posted by eMats View Post
    Thanks 65er. I have pre Tri color so I guess indexing is out unless I can get another RD. I was thinking of changing out the freewheel and RD to use the Megarange Shimano FW for hills. Any thoughts on that?
    Thyere was an SIS 600 version before Tri-Color- that should work.
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  21. #21
    Senior Member rjhammett's Avatar
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    Does your rd have a cable tension adjuster on it? If so you can run it indexed. On the other hand I have run friction rd in index mode by adding an inline cable tension adjuster with index shifters.


    Quote Originally Posted by eMats View Post
    Thanks 65er. I have pre Tri color so I guess indexing is out unless I can get another RD. I was thinking of changing out the freewheel and RD to use the Megarange Shimano FW for hills. Any thoughts on that?
    Travis Bickle
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  22. #22
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    Quote Originally Posted by rjhammett View Post
    Does your rd have a cable tension adjuster on it? If so you can run it indexed. On the other hand I have run friction rd in index mode by adding an inline cable tension adjuster with index shifters.

    Ahh, smart solution. I have the bike in parts so I will have to check. Thanks for the info!

  23. #23
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    Quote Originally Posted by rjhammett View Post
    Does your rd have a cable tension adjuster on it? If so you can run it indexed. On the other hand I have run friction rd in index mode by adding an inline cable tension adjuster with index shifters.
    You may still have issues with cable pull even with a cable tension unit.
    *Recipient of the 2006 Time Magazine "Man Of The Year" Award*

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