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11-05-2009, 12:22 AM
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#1
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Grasshopper
Join Date: Nov 2009
Location: Alice Springs, Australia
Posts: 8
Rep Power: 0
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Replacement Cranksets?
Anyone done a crankset on their 29er? I have the stock shimano stuff that came with the bike, but im not really into it, i am thinking along the lines of raceface, anyone out there have experiance with their stuff on a 29er?
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11-05-2009, 06:23 AM
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#2
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Leader and Demogogue of the Ridemonkey Satinists
Join Date: Oct 2001
Location: Muzungu! Muzungu!
Posts: 8,584
Rep Power: 8
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Why would it be different on a 29er than any other wheel size?
__________________
Quote:
Originally Posted by $tinkle
i'm likin that nicely trimmed tranny
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11-05-2009, 11:39 AM
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#3
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Chimp
Join Date: Aug 2007
Posts: 78
Rep Power: 2
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If you're gonna spend $$ to swap out a perfectly functional crankset (don't get me wrong - I have an aversion to Shimano as well) then my only advice is to get a 5-bolt compact crankset so that you've got better gearing options. Options include Middleburn, Surly, or maybe you could score a NOS RaceFace Turbine. My experience with the new external bearing RaceFace cranks is that they have a lot of drag.
- Joe
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11-05-2009, 03:24 PM
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#4
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Monkey
Join Date: Mar 2009
Posts: 287
Rep Power: 1
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Quote:
Originally Posted by MikeD
Why would it be different on a 29er than any other wheel size?
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dude it's TOTALLY different.
unless you're wearing 29er socks. then it's the same.
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11-06-2009, 04:26 AM
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#5
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Grasshopper
Join Date: Nov 2009
Location: Alice Springs, Australia
Posts: 8
Rep Power: 0
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i try to wear the 29er socks as much as possible, but im really needing to replace this set, or at least the outter ring, its been used for over a year now and ive really put alot of wear on it in that time.
I only ask because i have never had a 26inch bike its been 29er since i got into this sport and i have only recently gotten into upgrades. Is their a special way to figure out what i need?
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11-06-2009, 05:42 AM
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#6
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Leader and Demogogue of the Ridemonkey Satinists
Join Date: Oct 2001
Location: Muzungu! Muzungu!
Posts: 8,584
Rep Power: 8
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Cranks are the same for either wheelsize, although you might choose different-sized rings or cogs because the larger wheel gives a taller (harder to push) effective gearing.
If all you need is a new outer chainring, just get a single chainring (or a new set of all three while you're at it) for $5-50, instead of a whole new crankset...
__________________
Quote:
Originally Posted by $tinkle
i'm likin that nicely trimmed tranny
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11-09-2009, 01:05 PM
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#7
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Chocolate Milk Doug
Join Date: May 2002
Location: Shut up and Ride
Posts: 9,731
Rep Power: 5
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the BEST thing to do is replace everything at once (crankset or 3 rings, chain & cassette).
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11-09-2009, 01:15 PM
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#8
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Leader and Demogogue of the Ridemonkey Satinists
Join Date: Oct 2001
Location: Muzungu! Muzungu!
Posts: 8,584
Rep Power: 8
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"Best," maybe, but is it really necessary to change a cluster of 8-9 cogs which probably have pretty evenly-spread wear compared to the front end, or the granny gear if (as it sounds like) he's been pushing hard in the big ring most of the time...?
Arbitrarily replacing them all at the same time is getting rid of at least some parts before their time. And it just seems wasteful if you're not a pro relying on the equipment to make your living winning races.
That said, yeah, an all-new drivetrain is going to run smoothly for sure...
Personally, I change rings (or cassettes) when they're bent or otherwise broken, or if the teeth have worn to nubs or shark-tooth shapes... Hopefully before they lead to nasty chainsuck, but maybe afterward. I also check my chain with a wear gauge and replace it when it indicates.
__________________
Quote:
Originally Posted by $tinkle
i'm likin that nicely trimmed tranny
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