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Question about shifting(4 posts)

Question about shiftingArvinC
Jun 2, 2003 1:17 PM
Hello everyone. Gotta' question about shifting for ya:

When shifting under heavy stress, like climbing or sprinting, is it still neccessary to "let up" on the pedals when making the shift?

The reason I ask is that when "Index" shifting first came out, I was told not to shift when there's a lot of pressure on the pedals and chain. (My first "indexed" bike was a 1988 Specialized Stumpjumper.) I don't know if this is still "law", but I am hesitant to try it on a climb without knowing for sure. Don't like to think about the expensive noises should I happen to break something...

Anyway, any thoughts would be great!
re: Question about shiftingeschelon
Jun 2, 2003 1:33 PM
I really had to think about your question because my shifting (as most folks who have ridden enough miles) has become something that I don't think about...I just do it and the only time I ever notice doing it is when something isn't working right. Anyway, It's not good for the drivetrain to have to shift when under tremendous pressure/load...I figure when the drivetrain is struggling to work either from me really trying to force/mash it at an in-opportune time/moment, it can't be a good thing. Even on hills, I usually am carrying momentum up the hill and I shift naturally along the "power curve." And also just before I do my 100 meter sprint, I usually shift into my power gear and then mash.
The automotive analogyKerry
Jun 2, 2003 4:20 PM
To people who are proud of the fact that they can/do shift under full load ("I love to shift the front standing while climbing hills,") I offer the analogy to your car. CAN you shift under full power and floor it from every stop? Yes, you CAN, but we all know that if you do, you'll wear out everything in the drive train much faster plus run the risk of trashing anything and everything along the way. You CAN, but you SHOULDN'T.
definatly let up.. you can damage all kinds of stuff - nmbenja15
Jun 2, 2003 5:30 PM