johndow

Hi,
I'm going to build a new bike, and thinking of trying SRAM Double Tap.
Unfortunately, I have no way to try them out before I buy and install ...

I want ask - how do they work/feel ?
I dont know/understand how they work, so I wonder
if 1 click is up, and 2 clicks is down (or vice versa),
so how there's no shift after 1 click ?
is the shift for 1 click, only when the shifter is going back to original position ?

If so (and I'm not sure), then its like, when comparing to brakes, that only when you release the brake handles, that the actual braking action will start, which looks weird to me.

I've found only a short 9 seconds video, ans even in slow motion its hard to tell =

Ok, so I'm not allowed to post urls because I'm a new user in this fourm,
so I just give the video id for the youtube video,
just search it on youtube, and you will get to this video

video id #1 = 7csDTkZMYM4

And also this one, just a general demo =

video id #2 =ESesiHJZFpI

Thanks for your help,
Regards.
JD.

hunterr41

I have been using sram for 5 years. It took a short ride to get used to them. One click is up, two clicks is down. I like as well as Shignamo(sp). Works good. you can use brakes while shifting.

Fiery

You are correct, the first click is shift up, but the actual shift only happens once you release the lever. However, with the super short travel of that first click, it feels pretty much instantaneous.

RShantz

And the shift lever/paddle is hinged to move not only from right to left but also front to back. This means while going hard with your hands in drops, you can pull the lever closer to the bar by simply putting a little pressure on the lever. This way you can shift while having a very firm grip on the bars. Maybe someone can describe this to you a little better than me as it's tough to describe w/out seeing.

gregf83 

They work and feel fine. I used campy only on my bikes from 2000 to 2014 when I added a bike with sram which I use mostly in the winter and for gravel rides in the summer. I have no problems adjusting to either group and they both work well. I’d have no problem putting either on a new bike and don’t have a strong preference either way.

gregf83 

Probably better described as a tap rather than a click. Once you’ve tried it you will understand. A tap is a quick press and release resulting in a shift to a higher gear. To shift lower you press until you’ve heard at least two clicks before releasing resulting in a downshift. You can shift down a couple of gears if you press for 3 clicks before releasing.

mihlbach

I have bikes with Shimano and Sram. I wouldn't worry too much about the differences in function. Although Shimano and Sram work differently, they are both intuitive enough that your mind instantly adapts to which ever system you are using. They both shift fast and reliably...no complaints there.

I like Sram over Shimano for several reasons.
1. Shifting does not involve moving the brake lever.
2. I also like the more audible and tactile "click" of Sram when shifting.
3. The Sram hoods and levers feel better to me.
4. With one finger you can pull the Sram shift paddle backward toward the handle bar so you can shift and maintain a firm grip (e.g. sprinting in the drops).
5. I think Sram looks better...in my impression, its simpler and has more of a "form follows function" appearance.

In other respects, both systems function superblyl and are very reliable.

Dean V

Shimano also does the actual shift to a higher gear when the lever is released.
I really like the operation and feel of Sram. No problem at all switching back and forth from Shimano.
Di2 is actually the only group I have ridden that took a while to get get used to.

rpenmanparker 

I am addicted to SRAM. Much more sensible shift action than Shimano and Campy. I like that the brake lever doesn't swivel side to side. More tactile than Shimano. It's not like buttah, so you feel the shift in your hands and body, but it works just as efficiently.

redlude97

one annoying thing about sram is when you reach the end of the cassette, if you try to shift another time it drops you down to a harder gear.

Bah Humbug

It does? My memory is that if you just make sure to push it all the way it'll leave you on the bottom gear. Been a minute though.

stockae92

i have been using SRAM for 3 years, and was using Shimano piror to that.

It took me a ride or 2 to get the hang of it, otherwise it has been working good.

One thing is that shifting is loud. but for weight weenie, I think its great. My Force 22 setup is about 200g lighter than Ultegra.

RobbieTunes

No clue, but I just bought DA9000 from a guy who went to eTap. He loves it.

My only SRAM experience is a 1x10 roadie I built with Force. Nice stuff.
They say SRAM got the FD right, so Shimano finally had to follow.

bleui

no it's not, you're setting it wrong, watch this video from 02:42

noodle soup

Some people like smooth/effortless shifting(Shimano), some like positive/deliberate shifting(SRAM). Some like their shifting to be something in between(Campagnolo).

I love my Campagnolo equipped bikes, but Shimano is my second choice. SRAM is a distant 3rd.

Just my opinion.

if we are talking about reliability, Shimano is first by far.

JonnyV

I had the first gen Red and honestly, I miss it. Using Dura Ace 7900 now and just feel the Red was a superior group for me. The double tap was pretty awesome in cold weather riding while wearing lobster gloves. Just my two cents.

noodle soup

DA 7900 sorta blows, so I can understand why you feel that way.

chip1

I use both Shimano and Sram, but if I had to pick one I'd go with Shimano. To me Double Tap requires tad more effort to upshift.

TGT1

Maybe also described as a tap to shift higher, a push to shift lower and a stroke to skip down a couple.

chip1

I'm pretty sure I got the terminology wrong...I think I meant to say downshift.

johndow

As the "thread starter", I see there are already 19 responses, much more than I've anticipated...
I want to thank you ALL for the helpful information, explanations, and comments !!!

Wspsux

I find Sram double click way more intuitive than Shimano. So intuitive in fact, I can't explain how it actually works. I've never miss shifted with it and found the learning curve to be almost moot.

tdong

this mean your adjustment is wrong. you should hear two clicks and it stays the same

tdong

i only use sram red. one long push shift down (push and hold shift to two gears or 3) and 1 tap to shift up (up is harder gear)

noodle soup

I've never understood why people say this.

With Shimano, pressing the bigger lever moves the chain to the next larger cog/chainring. Pressing the smaller lever moves the chain to the next smaller cog/chainring.

I understand that some people like the notchy feel, and loud clunk you get from a SRAM shift, but calling SRAM shifting more intuitive doesn't make sense.