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Old 01-09-12, 05:07 PM   #1
Papa Wheelie
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Will "road bike" cranks work on a mtn bike?

Bank error in my..........no. Never mind that.

I have some money, and I was thinking about upgrading the cranks on my SS. I currently have some RaceFace "Next" cranks that have aluminum shrouding some carbon, but they are on a tapered BB.

I was thinking of converting over to the Mega Exo bottom bracket, thinking that would save me a little weight.

A LOT of the cranks I see on a certain auction website are stating that they are "road bike" cranks. I know I currently ride with 180 mm cranks on my geared bike, and most of the "road bike" cranks I see are 170, 172.5 and 175 mm. Is that the difference? Is that a BIG difference?

Yea or nay?

Should I give the money back to the bank, or take the crew out to dinner?

Thanks!

Last edited by Papa Wheelie; 01-09-12 at 05:10 PM. Reason: needed to get "crew" in there somewhere....
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Old 01-10-12, 10:13 AM   #2
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Is there something simple or obvious that I am missing? Or is this something that we just don't know?

My crew wants my bicycle stable to be the gnar, so getting an epic set of cranks is paramount.

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Old 01-10-12, 12:56 PM   #3
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I passed over this thread because I figured someone more knowledgable would come in with a definite answer. As far as crank arm length, I know that's just a matter of personal preference. I've seen mountain bikes with crank arms as short as 165mm (for a young-teenaged kid to ride an adult bike as he grew into it) & as long as 180mm like your current setup. I believe mine are 175 & they's perfect for my riding.

I think the main concern with road bike cranksets should be durability. If you're just riding fire roads & MUPs, I wouldn't worry, but if you're riding singletrack I personally would trust roadie cranks to withstand the abuse. Someone more educated could come in & correct me, but given the nature of roadie bikes (weight>strength), I'm pretty confident in my answer.
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Old 01-10-12, 12:57 PM   #4
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My crew wants my bicycle stable to be the gnar, so getting an epic set of cranks is paramount.
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Old 01-10-12, 03:25 PM   #5
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I passed over this thread because I figured someone more knowledgable would come in with a definite answer. As far as crank arm length, I know that's just a matter of personal preference. I've seen mountain bikes with crank arms as short as 165mm (for a young-teenaged kid to ride an adult bike as he grew into it) & as long as 180mm like your current setup. I believe mine are 175 & they's perfect for my riding.

I think the main concern with road bike cranksets should be durability. If you're just riding fire roads & MUPs, I wouldn't worry, but if you're riding singletrack I personally would trust roadie cranks to withstand the abuse. Someone more educated could come in & correct me, but given the nature of roadie bikes (weight>strength), I'm pretty confident in my answer.
Appreciate the insight about the crank length.

(And getting the joke.)
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Old 01-10-12, 07:20 PM   #6
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I don't think you would be happy with the gearing options that you would have with road cranks.

http://www.jensonusa.com/Cranksets/R...ne-SS-Crankset
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Old 01-10-12, 10:08 PM   #7
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I assume a triple would work, they are 10sp but I think they work with a 9sp chain.

http://www.ebay.com/itm/SHIMANO-ULTE...item5891b31ee0

Even though 5mm doesn't seem like much it seems it is quite noticeable. 175-180 wouldn't be too bad but going down to 170 would be a huge difference.
I think the above is made in 180 but harder to find.

But if you want to go really gnar!!!
http://www.ebay.com/itm/Race-Face-Tu...item3a6ca22390
http://www.ebay.com/itm/2011-Race-Fa...item2eba94b165
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Old 01-11-12, 09:38 AM   #8
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I assume a triple would work, they are 10sp but I think they work with a 9sp chain.

http://www.ebay.com/itm/SHIMANO-ULTE...item5891b31ee0

Even though 5mm doesn't seem like much it seems it is quite noticeable. 175-180 wouldn't be too bad but going down to 170 would be a huge difference.
I think the above is made in 180 but harder to find.

But if you want to go really gnar!!!
http://www.ebay.com/itm/Race-Face-Tu...item3a6ca22390
http://www.ebay.com/itm/2011-Race-Fa...item2eba94b165

Holy Moly! Those red Turbine cranks would be GNAR-a-LICIOUS on my bike!




Last edited by Papa Wheelie; 01-11-12 at 04:50 PM.
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Old 01-11-12, 04:20 PM   #9
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On one of mine I went with red and gold! I think those red chain rings are CRAZY.




It now has a fox fork (white) and a red KCNC stem, Red CK headset and red seat post clamp.
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Old 01-11-12, 04:49 PM   #10
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On one of mine I went with red and gold! I think those red chain rings are CRAZY.




It now has a fox fork (white) and a red KCNC stem, Red CK headset and red seat post clamp.
That thing looks pretty damn nice! The gold color of the frame and cranks seem to be spot on! I *REALLY* try to be a "Function over Form" guy, but I have to admit that I love the looks of my Soul Icon, and I put some white SPD pedals on it (to play off the white "Soul" and "Icon" graphics), and I cannot help but smile a bit when I look at it.
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Old 01-11-12, 05:01 PM   #11
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Seems like I missed yours is a SS.

Well I did get a little carried away when I found the limited edition Magura HS-33's, with gold levers and brake boosters, and red wear adjuster knobs.
And the red titanium Wellgo pedals have gold titanium axles, go figure.


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Old 01-11-12, 05:06 PM   #12
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On one of mine I went with red and gold!
Gold RF cranks rawk.

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Old 01-11-12, 05:21 PM   #13
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Gold is cool but if I could get a set of THESE!!



And combine it with




Yeti had some old school ANO bits.
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Old 01-11-12, 05:52 PM   #14
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MY EYES, MY EYES! WOW, Paul took some acid.
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Old 01-11-12, 10:12 PM   #15
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Gold RF cranks rawk.

[picture]
Gold dual crown forks are the greatest thing ever. As for color schemes in general, Cherry Red Metallic & Pearl White are unbeatable on just about any bicycle (& some cars) IMO.
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Old 01-12-12, 11:31 AM   #16
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Gnar, rawk, etc. I'm back to a forum where they speak............ENGLISH!
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Old 01-12-12, 11:48 AM   #17
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As for color schemes in general, nothing pwns like Desert Turquoise.
Fixed.
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Old 01-12-12, 05:16 PM   #18
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Gold dual crown forks are the greatest thing ever. As for color schemes in general, Cherry Red Metallic & Pearl White are unbeatable on just about any bicycle (& some cars) IMO.
I agree


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