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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 02-10-05, 07:04 PM   #1
Fatn40
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Is a 180mm crank acceptable in place of a 165mm?

I am trying to decide if I should bid on a 3 piece crank set on Ebay. I verified the length of the 1 piece crank on my Trek is 165mm, so I am looking at another 6/10". Would this be acceptable on the Dyno Glide project?
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Old 02-10-05, 09:40 PM   #2
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Fixed or SS? As a general rule you usually stay shorter w/ fixed, longer w/ SS. Also depends on your leg length.
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Old 02-10-05, 09:52 PM   #3
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SS and I am 5'-6"
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Old 02-10-05, 11:10 PM   #4
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i'd imagine 180 will feel quite a bit longer and different than the 165s, if that's what you're used to and what fits you.
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Old 02-10-05, 11:14 PM   #5
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what is your inseam?
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Old 02-10-05, 11:53 PM   #6
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NO! Don't buy it. Those cranks are waaaaay too long for you. Only Jan Ullrich runs 180s.
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Old 02-11-05, 01:18 AM   #7
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NO! Don't buy it. Those cranks are waaaaay too long for you. Only Jan Ullrich runs 180s.
i know people that run 190mm. it depends on your inseam and what type of riding you do.
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Old 02-11-05, 01:21 AM   #8
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Check out http://www.peterwhitecycles.com/fitting.htm for a good place to start. If you already had it laying around, I'd say go for it. Since you're purchasing one, at least look for some 170s.

My guess is that with your height, 180 is too long.
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Old 02-11-05, 05:30 AM   #9
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Inseam is around 30", thanks for the link I'll take a look.

I did not measure my Fisher Aquila but will do that tonight, if feels OK but I'm am more concerned about pedal slap on the Dyno Glide.
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Old 02-11-05, 11:14 AM   #10
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if you're going for torque, and it's not a fixed gear bike, 175-180mm is just about right for a 30" inseam for certain types of riding. if you're looking at bmx cranks, which i suspect you are if they're 180mm, it might be hard to find an economical set of 170mm. you could find a set of 175mm much easier.

http://www.danscomp.com/products/charts/crankchart.htm
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Old 02-11-05, 05:18 PM   #11
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Alright, I"ll bite. Other than supertall people, who do you know that runs 190s and what type of riding do they do?
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Old 02-11-05, 06:12 PM   #12
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I know someone who uses 202mm cranks, and another who uses 195mm cranks...
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Old 02-11-05, 07:46 PM   #13
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That's awesome. I doubt it's really doing them any good. Biomechanics being what they are and all...
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Old 02-11-05, 08:32 PM   #14
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http://www.socalmtb.com/messages/bmx/messages/2575.htm

i know him. i've ridden the battlecruiser and the battledozer. it's all about the torque. thomas has almost no torso. dude is all leg.
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