Hi all,
Cutting a long story short in converting a tange DB alloy frame bike from down tube to STI shifters, I have found out there are 2 types of brazeon mounts, the square type which the fit available cable housing stop adapters, and the type that is on this frame, a keyhole shaped brazeon mount.
Now the DT shifters that are on this keyhole type are Shimano 600 friction levers (for 6 speed), and if I don't complete the conversion intended, then I would like to substitute the DT shifters with indexed 6/7 speed type.
And to my question:
Are there indexed type DT shifters that will fit the keyhole type of brazeon mount?
Mike
[edit] Also the thread on the keyhole type is different (doesn't appear to be metric) and slightly smaller in diameter
Downtube Shifters and different brazeon mount types
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- GaryF
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Postby GaryF » Sat Sep 22, 2007 12:46 pm
I can't recall the keyhole brazeon mounts. I suppose a photo is not possible?
I have some 6 speed Shimano shifters that work with the square based brazeon's and indexed Suntour and Campagnolo that work with square based brazeon's but i've never seen the keyhole type 6 speed brazeon.
My guess would be that the the 6/7 speed down tube shifters only attached to the square based bosses.
I have some 6 speed Shimano shifters that work with the square based brazeon's and indexed Suntour and Campagnolo that work with square based brazeon's but i've never seen the keyhole type 6 speed brazeon.
My guess would be that the the 6/7 speed down tube shifters only attached to the square based bosses.
Last edited by GaryF on Sun Sep 23, 2007 4:01 am, edited 1 time in total.
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Postby mikeg » Sat Sep 22, 2007 1:12 pm
I do have a not very good phone camera shot of the braze-on, but not enough post countGaryF wrote:I can't recall the keyhole brazeon mounts. I suppose a photo is is not possible?
I have some 6 speed Shimano shifters that work with the square based brazeon's and indexed Suntour and Campagnolo that work with square based brazeon's but i've never seen the keyhole type 6 speed brazeon.
My guess would be that the the 6/7 speed down tube shifters only attached to the square based bosses.
Mike
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Postby mikeg » Sat Sep 22, 2007 1:26 pm
Have just taken same better resolution photosmikeg wrote:I do have a not very good phone camera shot of the braze-on, but not enough post countGaryF wrote:I can't recall the keyhole brazeon mounts. I suppose a photo is is not possible?
I have some 6 speed Shimano shifters that work with the square based brazeon's and indexed Suntour and Campagnolo that work with square based brazeon's but i've never seen the keyhole type 6 speed brazeon.
My guess would be that the the 6/7 speed down tube shifters only attached to the square based bosses.
Mike
and increase the post count while I am at it
Mike
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Postby GaryF » Tue Sep 25, 2007 5:08 pm
Mike, thanks for the photo's - I haven't seen them before. I'll be interested in what Minority turns up.Minority wrote:Hi Mike,
I am fairly sure that the indexed DT shifters I had to go with some Shimano RSX stuff were that style mount. I'll check when I get home tonight.
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Postby MichaelB » Wed Oct 17, 2007 11:03 am
These look very similar to the style of braze-ons that I have seen on a late 90's Steel Cinelli frame.GaryF wrote:Mike, thanks for the photo's - I haven't seen them before. I'll be interested in what Minority turns up.Minority wrote:Hi Mike,
I am fairly sure that the indexed DT shifters I had to go with some Shimano RSX stuff were that style mount. I'll check when I get home tonight.
Some people think that you can get adjusters to suit these so that you can use the modern day shifters - is this true ?
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