Should a mtn bike be able to shift multiple gears at once?
I'm going to be testing a bike and I need to know if a bike can handle that.
Also - Should it be able to handle it when you put force on the peddles and shift at the same time? Thanks |
Some only go one click at a time, either in one direction or both.
You should be able to shift front and back derailleurs at once. Whether it should be able to handle it is far different from should you do it to any bike, especially if it isn't your own. The pedals should be moving when you shift and lightly loaded. Dropping to the granny ring under load is just sorta asking for a chainsuck episode. Be nice to bikes, they'll treat you better for it. Ron |
Thanks I've always wondered these things because usually most bikes can't handle it so thats good to know
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Mine can go down by 2 if I want it to. I just need to press harder.
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Typically it depends on the shifters. Here's a basic breakdown...
And as others have said, double-shifting (shifting front and rear simultaneously) is supported but not often recommended... especially under heavy offroad jouncing. |
Originally Posted by khuon
Typically it depends on the shifters. Here's a basic breakdown...
And as others have said, double-shifting (shifting front and rear simultaneously) is supported but not often recommended... especially under heavy offroad jouncing. actually 2nd gen rapid fire shifters allow you to pull 4 gears at a time |
I can't stand trigger shifters. I'm slowly warming up to indexing, though.
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Originally Posted by gmoneyhobbit
actually 2nd gen rapid fire shifters allow you to pull 4 gears at a time
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Originally Posted by jim-bob
I can't stand trigger shifters. I'm slowly warming up to indexing, though.
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what do you mean push to release, same as push-push?
release tension, and switch a gear? |
3 clicks ...
Originally Posted by khuon
And as others have said, double-shifting (shifting front and rear simultaneously) is supported but not often recommended... especially under heavy offroad jouncing. |
Originally Posted by khuon
I think it's interesting to note that many people criticised Shimano's 1st gen RFs for being push-push which is why they came out with triggers on the RF+. Now it seems everyone's excited about having a pushable extension for the release. Shimano's new Dual-Release and Dual-Control levers as well as SRAM's trigger shifters allow you to push for release.
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Originally Posted by willtsmith_nwi
I do it all the time.
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Originally Posted by sphynx_000
what do you mean push to release, same as push-push?
release tension, and switch a gear? |
wow the world of gears is quite complicated
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Originally Posted by jim-bob
I still haven't used a finer shifter than the first-gen XC Pro thumbshifters. Mmmm, retrofriction.
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i can move down three gears at one time with my deore triggers/xt rd
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Why would you want to shift the front gear and rear gears at once? You would kill the transmission.
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