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Mixing bar end and down tube shifters

Old 04-12-21, 05:49 PM
  #1  
ehartu
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Mixing bar end and down tube shifters

Anyone mix bar end and down tube shifters on the same bike? I'm thinking rear derail. on the right bar end, and front derail. on the drop tube. This allows for a bar end mirror on the left side. Any thoughts? I hardly shift the front, so don't think it will be a big deal.
Thanks!
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Old 04-12-21, 07:19 PM
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veganbikes
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You could do that but I don't know why you would it will look odd. Lance had a downtube for the front shifter but he was also using heavy STI levers and was trying to lose a little weight from his bike since back then you actually had to work a little to get under the UCI minimum.
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Old 04-12-21, 07:46 PM
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I don't see any reason this wouldn't be viable. I prefer DT to bar end myself, but if you like bar end this would allow you to keep the mirror.

BTW, the Italian Road Bike Mirror is by far the best bar end mirror I've tried.
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Old 04-12-21, 07:57 PM
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I do this exact thing on my 520. FD shifts on the downtube, RD shifts on the barend. Barend mirror on the left side. I love the setup, and the FD shifts like a dream on the downtube. Doesn't look odd at all....go for it!
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Old 04-12-21, 09:08 PM
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Thanks- that picture is exactly what I had in mind!
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Old 04-13-21, 06:33 AM
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While not a Bar end, it is a flat bar with a DT for the front
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Old 04-13-21, 06:49 AM
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In the early days of STI, some racers used a DT shifter on the front to save weight and retain total control of FD cage trim. Hampsten was one, there was another guy but he turned out to be a fraud
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Old 04-13-21, 07:26 PM
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Originally Posted by nomadmax View Post
In the early days of STI, some racers used a DT shifter on the front to save weight and retain total control of FD cage trim. Hampsten was one, there was another guy but he turned out to be a fraud
It is hard to be a fraud when most of the rest of the peloton is also doing it. Yeah he was a jerk about it but I am going to give it to him, if everyone else is doping and he still "won" he had to have been better than everyone else even if they were all scumbag dopers. However I won't strong arm this thread into a different direction.
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Old 04-14-21, 07:23 AM
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Can a double FD downtube shifter be used on a triple crank ?
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Old 04-14-21, 04:36 PM
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Originally Posted by KLOSHE View Post
Can a double FD downtube shifter be used on a triple crank ?
Most FD downtube shifters are friction, non-indexed and will work with almost any front deraileur, regardless of the number of chainrings.
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Old 04-14-21, 04:53 PM
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Originally Posted by nomadmax View Post
there was another guy but he turned out to be a fraud
Donít forget the late Marco Pantani. At one point he used a DT shifter for the front. When I was at the Ď95 Giro, riding to the stage finish at the Bianchi factory, he came spinning by in the opposite direction. He was sitting out the race due to injury.
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Old 04-14-21, 10:28 PM
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Let me see if I have this right: buy both a set of DT shifters AND BE shifters, and use only the RH units of each type, so a LS BE mirror can be used? Is that not a bridge too far when the mirror can easily be mounted to a helmet?
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Old 04-14-21, 10:38 PM
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Originally Posted by KLOSHE View Post
Can a double FD downtube shifter be used on a triple crank ?
This question is technically a thread hijack but, as this thread is already chock full of attempted hijacks, what the hell. No, a 2x DT shifter usually won't move enough cable to shift a triple.
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Old 04-14-21, 10:46 PM
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Originally Posted by SalsaShark View Post
Most FD downtube shifters are friction, non-indexed and will work with almost any front derailleur, regardless of the number of chainrings.
The barrel of a true 3x DT or BE shifter will be thicker than a 2x so that in the same 170* of total throw it will pull enough cable to get the FD across all three rings. A 3x shifter can also shift 2x but a 2x may only shift 2x. Obviously there are exceptions.
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Old 04-14-21, 11:01 PM
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Originally Posted by Leisesturm View Post
The barrel of a true 3x DT or BE shifter will be thicker than a 2x so that in the same 170* of total throw it will pull enough cable to get the FD across all three rings.
I don't think I've ever heard of a "triple-specific" front friction shifter. Some shifters back in the day literally didn't even have left-right variants, like the popular SunTour LD-1400 ratchets. Friction shifters nowadays generally spec as "2x/3x" or don't specify anything.
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Old 04-15-21, 09:54 AM
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Originally Posted by HTupolev View Post
I don't think I've ever heard of a "triple-specific" front friction shifter. Some shifters back in the day literally didn't even have left-right variants, like the popular SunTour LD-1400 ratchets. Friction shifters nowadays generally spec as "2x/3x" or don't specify anything.
I never said there were 'triple specific' front shifters. But a front shifter from the early 80's, before triples ever existed, would not be able to shift a triple. Ebay sells such things and people buy them so I thought to make it clear that if the shifter says it shifts a front double then that is probably exactly what it does.
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Old 04-15-21, 10:06 AM
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Originally Posted by Leisesturm View Post
This question is technically a thread hijack but, as this thread is already chock full of attempted hijacks, what the hell. No, a 2x DT shifter usually won't move enough cable to shift a triple.
to continue the thread drift, I have a 2x Shimano 600 front downtube shifter on my cross bike, and it does pull enough cable to shift a triple. in fact I have it mounted into the original bar-end shifter mount, on the handlebar end, and I prefer it to the original shifter.
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Old 04-15-21, 10:10 AM
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Originally Posted by veganbikes View Post
It is hard to be a fraud when most of the rest of the peloton is also doing it. Yeah he was a jerk about it but I am going to give it to him, if everyone else is doping and he still "won" he had to have been better than everyone else even if they were all scumbag dopers. However I won't strong arm this thread into a different direction.
Please don't. Is best of the cheaters worth anything is really not a great debate.
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Old 04-15-21, 10:12 AM
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Originally Posted by UCantTouchThis View Post
Lance did that way back when, before you guys even had carbon bikes.


Who's that? He doesn't appear in any record books.
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Old 04-15-21, 10:31 AM
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Originally Posted by Leisesturm View Post
Let me see if I have this right: buy both a set of DT shifters AND BE shifters, and use only the RH units of each type, so a LS BE mirror can be used? Is that not a bridge too far when the mirror can easily be mounted to a helmet?
Mirror choices are like chain lube choices. Don't go there.
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Old 04-15-21, 10:50 AM
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Originally Posted by Leisesturm View Post
I never said there were 'triple specific' front shifters. But a front shifter from the early 80's, before triples ever existed
Triples weren't invented in the 1980s, they've literally been around since the 19th century. Mass-production front derailleurs generally didn't have modern triple-specific cage shaping before the 1980s, but that's true of double front derailleurs as well: before then, people just used the same front shifters and derailleurs for 2x and 3x drivetrains, and it worked fine.
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Old 04-15-21, 11:11 AM
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Originally Posted by UCantTouchThis View Post
Lance did that way back when, before you guys even had carbon bikes.

This picture smells like EPO and bananas.
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Old 04-15-21, 11:20 AM
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Originally Posted by SalsaShark View Post
I do this exact thing on my 520. FD shifts on the downtube, RD shifts on the barend. Barend mirror on the left side. I love the setup, and the FD shifts like a dream on the downtube. Doesn't look odd at all....go for it!

I always love seeing setups I know I'd hate working for someone else, it's part of the charm of talking about bicycles.
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Old 04-15-21, 11:36 AM
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Originally Posted by UCantTouchThis View Post
And so does every other pic I've seen of any pro peloton I've seen on the net!
True enough.

The only way I would believe the peleton were clean is if the average speed of the Tour de France had suddenly dropped by 10 km/h after they booted Lance..
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Old 04-15-21, 05:44 PM
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Originally Posted by Leisesturm View Post
Let me see if I have this right: buy both a set of DT shifters AND BE shifters, and use only the RH units of each type, so a LS BE mirror can be used? Is that not a bridge too far when the mirror can easily be mounted to a helmet?
I already have all these parts in my spare parts box, so I'm not really buying anything new.
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