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Shimano 105 r5700 vs 2010 105 STIs

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Shimano 105 r5700 vs 2010 105 STIs

Old 07-08-19, 08:05 PM
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Shimano 105 r5700 vs 2010 105 STIs

So, I'm regularly riding my 2010 Cannondale SIX-5, and wondering if an upgrade to the latest 10-speed model shifters would be worth it. Other than aero cable routing, are the 5700 STIs much better? If so, how?
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Old 07-08-19, 10:07 PM
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Are you posting from a time warp?

It's a lot easier to remove a frayed-off cable head from the aero levers. IIRC, the 11s ones are better again. As for actual shifting, meh... 10s aero STIs can sometimes defy all efforts to minimise cable friction enough to perform well. There's a reason they ran the gear cables that way in the first place.

11s are much more reliable due to revised cable pull. I'm not sure, but they might have done something with the cable pull midway through 10s; I seem to recall having to get in a new matching RD when a customer upgraded his 10s levers.

If it was me I'd go straight to 11s and employ one of the methods for using it on a 10s wheel. I actually have a 10s billet cassette modified to fit on a 7s cassette body, retrofit to reduce dish on my 10s wheel that already has an off-centre rim, because I hate dish. So not a fan of 11s wheels.
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Old 07-09-19, 03:50 AM
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Originally Posted by Kimmo View Post
Are you posting from a time warp?

It's a lot easier to remove a frayed-off cable head from the aero levers. IIRC, the 11s ones are better again. As for actual shifting, meh... 10s aero STIs can sometimes defy all efforts to minimise cable friction enough to perform well. There's a reason they ran the gear cables that way in the first place.

11s are much more reliable due to revised cable pull. I'm not sure, but they might have done something with the cable pull midway through 10s; I seem to recall having to get in a new matching RD when a customer upgraded his 10s levers.

If it was me I'd go straight to 11s and employ one of the methods for using it on a 10s wheel. I actually have a 10s billet cassette modified to fit on a 7s cassette body, retrofit to reduce dish on my 10s wheel that already has an off-centre rim, because I hate dish. So not a fan of 11s wheels.
Dude, I spend most of my time in the C&V! Ive not really kept up with newer products. From what Ive learned so far (which is not a lot!) the 5700 series replaced my 5600 series shifters in 2011, so theyve been around awhile. If theyre not much better, I wont bother.

Im not ready to invest in 11-speed drivetrain, but its good to know the 11s will work with 10s. Ill look into that.
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Old 07-09-19, 04:31 AM
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Not will work with; can work with... It can take some finagling, unless you're happy with the one 11s Shimano cassette that fits, an 11-34, IIRC
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Old 07-09-19, 04:40 AM
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I would not bother unless you really hate the exposed cables on current shifters.
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Old 07-09-19, 06:37 AM
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I made this exact move about 7 years ago. Cleaner look, poorer shifting on the RD in particular - slightly higher effort and a little less crisp feedback. The other potential negative is that the x700-series shifters have a reputation for eating cables (I never had a problem with that, but @datlas can attest to it). Prolly safe to blame the new (at the time), tighter cable routing for both of these niggles.
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Old 07-09-19, 10:05 AM
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Originally Posted by datlas View Post
I would not bother unless you really hate the exposed cables on current shifters.
The exposed cables don't really bother me.

Originally Posted by WhyFi View Post
I made this exact move about 7 years ago. Cleaner look, poorer shifting on the RD in particular - slightly higher effort and a little less crisp feedback. The other potential negative is that the x700-series shifters have a reputation for eating cables (I never had a problem with that, but @datlas can attest to it). Prolly safe to blame the new (at the time), tighter cable routing for both of these niggles.
Good to know. Thanks.

How about last generation Ultegra 10s?
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Old 07-09-19, 10:16 AM
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Originally Posted by horatio View Post
Good to know. Thanks.

How about last generation Ultegra 10s?
Same story between 5700 and 6700 (hence "x700-series")
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Old 07-10-19, 07:12 AM
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I think there's a 10s version of the 11s generation shifters, isn't there? That would be the one to think about if you don't mind going below 105...
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Old 07-10-19, 07:36 AM
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Originally Posted by Kimmo View Post
I think there's a 10s version of the 11s generation shifters, isn't there? That would be the one to think about if you don't mind going below 105...
Tiagra is Shimano's current 10spd group.
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Old 07-10-19, 08:14 AM
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Oh, one other thing - brake pull changed the generation after 5600, so braking will be a little higher effort/less effective for the same effort. It didn't bother me that much, but I can see how it could bother some, 'specially if braking is only so-so to begin with.
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Old 07-10-19, 12:25 PM
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I have several bikes with STI shifters, going back to the dawn of brifters: circa early 90s. When you are the 'bike guy' at work, bikes and components tend to fall into your lap.

I actually far prefer Campagnolo Ergopower ergonomics, but leave this aside.

The best shifting (fast, trouble-free and precise) out of all the STI shifters: the ones with the shift cables on the outside. The recent move to under the bar shift cables introduced tight bends, and extra friction. Plus the propensity to eat cables.

I have some mid-90s Shimano 600 shifters: pure shifting bliss. Flawless. Shimano got brifters right - right out of the gate.

You'll get some howls of protest... how can 25-year led shifters be any good... the reason why most folks give up on old shifters is because a cable end is jammed in a shifter body. Or their cables and housings are worn, and should have been replaced (yearly). Or their old shifters could have been revived with a 5 second spritz of WD40.

All simple and cheap fixes.
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Old 07-10-19, 12:28 PM
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Shimano 5700 series 105 shifters are absolute crap. Poorly designed cable routing means the shifting is finicky and they're prone to having shifter cable heads break off in the shifter.

I hated mine for the 3 years I had them.

The current 10-speed Tiagra won't work with the older generation Shimano 10-speed stuff because they changed the cable pull--I think so the RD would be cross-compatible with 11sp shifters.
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Old 07-10-19, 12:42 PM
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Originally Posted by Dave Mayer View Post
I have several bikes with STI shifters, going back to the dawn of brifters: circa early 90s. When you are the 'bike guy' at work, bikes and components tend to fall into your lap.

I actually far prefer Campagnolo Ergopower ergonomics, but leave this aside.

The best shifting (fast, trouble-free and precise) out of all the STI shifters: the ones with the shift cables on the outside. The recent move to under the bar shift cables introduced tight bends, and extra friction. Plus the propensity to eat cables.

I have some mid-90s Shimano 600 shifters: pure shifting bliss. Flawless. Shimano got brifters right - right out of the gate.

You'll get some howls of protest... how can 25-year led shifters be any good... the reason why most folks give up on old shifters is because a cable end is jammed in a shifter body. Or their cables and housings are worn, and should have been replaced (yearly). Or their old shifters could have been revived with a 5 second spritz of WD40.

All simple and cheap fixes.
Have you actually ridden any of the new 6800/8000 shifters? They are way better than peak 10 speed STI 7800 with external cables.
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Old 07-10-19, 01:18 PM
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My 6500 shifters which have exposed cables seem to shift as good as the new Ultegra r8000 shifters I tried. In fact I liked the way mike bike shifted versus the brand new bike I tested but I really dialed my bike in though. Those mechanics probably are not very good even though it seems like it's a reputable shop. So grain of salt.
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Old 07-10-19, 01:28 PM
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Originally Posted by MyTi View Post
My 6500 shifters which have exposed cables seem to shift as good as the new Ultegra r8000 shifters I tried. In fact I liked the way mike bike shifted versus the brand new bike I tested but I really dialed my bike in though. Those mechanics probably are not very good even though it seems like it's a reputable shop. So grain of salt.
The lever throw on 5500/6500 was excessive for the brake lever to get 3 shifts, especially from the drops IME, my last set finally died 2 years ago when the hoods disintegrated
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Old 07-10-19, 02:41 PM
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Originally Posted by redlude97 View Post
Have you actually ridden any of the new 6800/8000 shifters? They are way better than peak 10 speed STI 7800 with external cables.
I own two bikes with 5800 11-speed. Shifting is pretty good. Still not as good as brand new 7800, or 7700, or 7400 or 6400.

Keep in mind that in order to overcome the extra cable friction of under the bar wrap routing, Shimano has resorted to premium extra slick cable housing. No reason why you couldn't use this on your 7800 shifters, to produce even better shifting.

All of these systems have poor shifting relative to a 8 and 11-speed Alfine internal gear hub. That is impressive shifting.
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Old 07-10-19, 05:18 PM
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Originally Posted by ksryder View Post
Shimano 5700 series 105 shifters are absolute crap. Poorly designed cable routing means the shifting is finicky and they're prone to having shifter cable heads break off in the shifter.
I have a 2012-ish Trek with 5700 shifters (and brakes). Once I got past the initial cable stretch and adjustments, I've had zero problems with either the FD or RD. I will admit that I've had the rear derailleur cable break on me twice out on the road, this in about 12K miles of riding. Both times the cable head sheared off in the brifter.
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