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Old 01-23-09, 09:00 PM   #1
LBIkid
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Disc brake/shifter compatibility

I have a set of XT rapidfire Mega 9 shifter/brake levers that I bought a couple of years ago for a project bike. They never made it on that bike and now I'm thinking about putting them on my 2006 C-dale F600 that currently has a Sram setup with Avid BB5 discs. I know I would also need to replace the RD with a Shimano RD, but my question is, are the shifters compatible with the discs? On the box it says "V brakes", but I don't know if that is just because they were made before discs were the norm or b/c they will only work with v-brakes.

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Old 01-23-09, 09:34 PM   #2
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yes it will work, mtn bike brake cable pull ratios are all the same (at the lever)
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Old 01-24-09, 08:38 AM   #3
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I'm about to make the identical conversion except I'm using an 8 speed XT set up. I checked it out and yes it will work. I'm just waiting for the new, disc-ready front hub to come in so I can relace the front wheel.
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Old 01-24-09, 05:04 PM   #4
frankenmike 
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Quote:
Originally Posted by sirtigersalot View Post
yes it will work, mtn bike brake cable pull ratios are all the same (at the lever)
Not exactly, but I know what you are saying. V-levers will work with mechanical disc calipers. Canti levers(all but extinct) don't play well with vees or mech discs (Although I am currently using a canti lever with the rear vee on my commuter-go figure).
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Old 01-24-09, 05:31 PM   #5
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true and i guess they did have canti mtn bikes back in the day, but i always consider those touring/cyclocross brakes
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