Guest coenie Posted February 21, 2011 Posted February 21, 2011 I hope someone can assist. Th e2 x 10 vibe is big, and with 29er's becomming more popular I am not sure wich groupset is better. Going from 3 x 9 on a 26 to 2 x 10 on a 29er do one need the 22T x 34? or will the 26x36 or the new two by ten suffice?
splat Posted February 21, 2011 Posted February 21, 2011 If you use your granny gear (22/34) a lot, you might struggle with a 2x10 - especially on a 29'er.(I know that I am not 2x10 material) There have been a few threads on 2x10 and gearing.Have a look at some gear development tables and understand the ratios. Compare the gears you use now to the gearing you might have on a 29'er.
Guest coenie Posted February 21, 2011 Posted February 21, 2011 The thing is I see that the 2 x 10 seems only 15% more work than a 26 ?
koukie Posted February 21, 2011 Posted February 21, 2011 The thing is I see that the 2 x 10 seems only 15% more work than a 26 ?Huh?
Guest coenie Posted February 21, 2011 Posted February 21, 2011 Huh? Hmmm Sorry I mean2 x 10 on a 29er is 15% more work than on a 26er bike
koukie Posted February 21, 2011 Posted February 21, 2011 Hmmm Sorry I mean2 x 10 on a 29er is 15% more work than on a 26er bike Okay, its monday i'm a bit slow. I'm using 2X9 (28,40 front 32 back) on my morewood Zula,and its more than enough.
Velouria Posted February 21, 2011 Posted February 21, 2011 I fail to see the point of 2x10 on a 29er. You're compromising on the strengths of a 29er, all to save some weight.
Guest coenie Posted February 21, 2011 Posted February 21, 2011 Okay, its monday i'm a bit slow. I'm using 2X9 (28,40 front 32 back) on my morewood Zula,and its more than enough.Are you on a 29er?
Thumper Posted February 21, 2011 Posted February 21, 2011 (edited) Having a granny up front is like having a condom.I'd rather have one and not need it, than need one and not have it! Edited February 21, 2011 by Thumper
RacerX Posted February 21, 2011 Posted February 21, 2011 If you use your granny gear (22/34) a lot, you might struggle with a 2x10 - especially on a 29'er.(I know that I am not 2x10 material) There have been a few threads on 2x10 and gearing.Have a look at some gear development tables and understand the ratios. Compare the gears you use now to the gearing you might have on a 29'er.Nice gear calculator:http://www.gear-calculator.com/
koukie Posted February 21, 2011 Posted February 21, 2011 Having a granny up front is like having a condom.I'd rather have one and not need it, than need one and not have it!That is my philosophy about carying a gun.
b-unit Posted February 21, 2011 Posted February 21, 2011 Having a granny up front is like having a condom.I'd rather have one and not need it, than need one and not have it! True. I never use granny gear... and then MTB Clarens happened on Saturday.
ichnusa Posted February 21, 2011 Posted February 21, 2011 I've pondered it myself... hope this is not to small...
GoBig Posted February 21, 2011 Posted February 21, 2011 I fail to see the point of 2x10 on a 29er. You're compromising on the strengths of a 29er, all to save some weight. My point exactly - c'mon Coenie you know I'm right!
ichnusa Posted February 21, 2011 Posted February 21, 2011 (edited) Sorry, a bit small... try this one the order of the rows is: 1 chainset teeth2 wheel revolutions per crank revolution3 wheel circumference4 wheel distance per crank rotation Edited February 21, 2011 by ichnusa
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