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Road bike brake lever/caliper/frame compatibility

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Road bike brake lever/caliper/frame compatibility

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Old 02-24-12, 09:39 AM
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Road bike brake lever/caliper/frame compatibility

Good morning everyone.

I'm a noob/retread trying to upgrade my bike and I have some compatibility questions that I hope some of you can help me with.

First, are Shimano Ultegra BR-6600 or BR-6500 calipers compatible with RSX 7-speed brake levers/shifters? (Shimano says the new BR-7700 only work with the 7700 levers but I don't know if that was true of the older models)

Next, where can I find the "reach" specs for BR-6600 calipers? It looks like I need ~47mm

The bike is a 1983 Trek 620 steel-framed road bike, which I upgraded to Ultegra 7-sp SIS drivetrain many years ago. I'm in the process of upgrading the Downtube shifters to RSX brake lever/shifters, and thought I might upgrade the calipers at the same time.

Any thoughts would be very much appreciated!

-Tom in SoCal

Last edited by Hendo252; 02-24-12 at 10:08 AM.
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Old 02-24-12, 10:37 AM
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Originally Posted by Hendo252
Next, where can I find the "reach" specs for BR-6600 calipers? It looks like I need ~47mm
l
You didn't look very hard. Had you done a simple search for the brakes you would have found a number of sellers, and most would have listed the specs. The one I found first listed the reach as 39-49 so you should be OK as far as that goes.
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Old 02-24-12, 10:58 AM
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Any of the calipers you mentioned will work with your levers.
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Old 02-24-12, 11:14 AM
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Originally Posted by FBinNY
You didn't look very hard. Had you done a simple search for the brakes you would have found a number of sellers, and most would have listed the specs.
I guess I deserved that.

I had looked on the Shimano site and velobase and hadn't found the info on older stuff... and wasn't sure if all the 6500 series calipers were the same.

But I shoulda done more research and indicated the results of that in my query.

Mea culpa!

-Tom in SoCal

Last edited by Hendo252; 02-24-12 at 11:22 AM.
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Old 02-24-12, 11:15 AM
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Originally Posted by shelbyfv
Any of the calipers you mentioned will work with your levers.
Thanks Shelby.
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