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rainerhq
PostPosted: Wed Nov 07, 2012 9:08 pm 
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Read from RBR forum, that ST-5700 levers have more cable pull than older models and they work better with BB7 MTN version. Anybody can comment this? Or has anybody had problems using 5700 with BB7 road?

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MileHighMark
PostPosted: Wed Nov 07, 2012 9:17 pm 
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Yes, the 5700 pull a little more cable. Even with the Road BB7s, this will be good. I've run a couple of non-Shimano levers with Road BB7s, and I've had to "pre-load" the actuator arm to get the proper travel/cable pull.

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rainerhq
PostPosted: Thu Nov 08, 2012 7:35 am 
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So I´m good with 5700/BB7 Road combo? Going to order these today.
Just can´t understand why some say BB7 MTN work better.
RBR forum wrote:
5700 and 6700 have more cable pull and work better with MTN BB7's.

I am currently running 5700 with MTN BB7's and love it. I have another bike that has Apex brifters with road BB7's. Comparing both, the braking is much more powerful on the 5700/MTN BB7's setup. You need to use a good cable housing that does not compress and adjust the BB7's so the pads are closer to the rotor. If you don't do those things, the brake lever would hit the handlebar before getting a good brake force to stop the MTN BB7's. They require longer travel than the road BB7's.

RBR forum wrote:
Bingo! This guy gets it.
I rented a tandem last year with this set-up. The tandem geek/guru/mechanic ( his business card has this on it!) told me that after much trial and tribulation...this was the set up that worked best with newer Shimano levers. He also swore by Shimano XTR/DuraAce brake cable.

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wassertreter
PostPosted: Thu Nov 08, 2012 9:17 am 
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I'm running the 6800 STIs with Road BB7s, and would be happy about a little more cable pull. That would allow to leave the caliper a little more open to avoid grinding after wheel swaps, and still have enough pull for all-out stopping. Will try some Tektro levers some time. Think you'll be fine, what you don't want is less cable pull.

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mtbstuff
PostPosted: Sat Nov 10, 2012 10:05 pm 
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rainerhq wrote:
So I´m good with 5700/BB7 Road combo? Going to order these today.
Just can´t understand why some say BB7 MTN work better.
RBR forum wrote:
5700 and 6700 have more cable pull and work better with MTN BB7's.

I am currently running 5700 with MTN BB7's and love it. I have another bike that has Apex brifters with road BB7's. Comparing both, the braking is much more powerful on the 5700/MTN BB7's setup. You need to use a good cable housing that does not compress and adjust the BB7's so the pads are closer to the rotor. If you don't do those things, the brake lever would hit the handlebar before getting a good brake force to stop the MTN BB7's. They require longer travel than the road BB7's.

RBR forum wrote:
Bingo! This guy gets it.
I rented a tandem last year with this set-up. The tandem geek/guru/mechanic ( his business card has this on it!) told me that after much trial and tribulation...this was the set up that worked best with newer Shimano levers. He also swore by Shimano XTR/DuraAce brake cable.


Well...I am the guy in the second quote.
The levers will work with either calipers. The mtb calipers felt better than my road calipers on the tandem ( there is a real LONG rear cable run)
I am in the process of building a disc cross bike and am going to try both style calipers...and hope that someone comes out with a hydro system that works...
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rainerhq
PostPosted: Mon Nov 12, 2012 8:03 am 
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I´m also building CX bike with discs. Ordered 5700 levers and BB7 Road calipers. Hope this combo will work.

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