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Shimano high-leverage front derailleur with bar end shifters?

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Shimano high-leverage front derailleur with bar end shifters?

Old 09-22-15, 02:43 PM
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chibi
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Shimano high-leverage front derailleur with bar end shifters?

Can I used bar end shifters with Shimano high-leverage front derailleurs, such as 5800/6800 ?
If so would I see an advantage over traditional front derailleurs?.

thanks
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Old 09-22-15, 02:57 PM
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I don't know how much Shimano changed the leverage ratios but I would say with good certainty, "yes." A bar-end shifter should have enough throw for pretty much any FD especially if you're only using a double.

If the new FDs pull more cable you might find easier trim adjustment but honestly it probably won't make much difference with a friction shifter.
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Old 09-22-15, 03:14 PM
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Yea, Left/Front on shimano's bar end shifters has been friction for Decades.

(more Leverage[MA] means Less Cable is Pulled for the [easier] effort.)
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Old 09-22-15, 04:28 PM
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I think some of the question is how well does the friction bar end hold against the new gen ft der's cable tension/return springs. I don't know as yet not trying this combo. Andy.
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Old 09-22-15, 06:41 PM
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Originally Posted by Andrew R Stewart View Post
I think some of the question is how well does the friction bar end hold against the new gen ft der's cable tension/return springs. I don't know as yet not trying this combo. Andy.
All of the barend left shifters I've seen have a tension adjustment, either a big screw driver slot, an allen recess or a D-ring, so you can make them as tight as you need.
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Old 09-22-15, 08:38 PM
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Yes, but the friction is both not linear or limitless. And then there's the issue of friction working both ways as the lever travels. Sure there's internal to the friction pack/pivot designs which shifts (bad pun) this aspect but still the question remains. With a ft der design with a greatly changing leverage (just look at the current versions of S ders and the cable/attachment arm geometry to see this) how well does the bar end handle things? Andy.
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