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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 03-26-07, 03:05 PM   #1
trebor
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need help please mavic cranks

I was at the bike shop the other day and saw this used sweet looking mavic crankset of which i took off the inner ring but when i went to put it on the bike the right arm would only go in enough on the spindle to allow me a couple of threads to put the nut on. Do i need a special spindle for these cranks. They just look so good i'd really like to use them on my fixie.
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Old 03-26-07, 03:14 PM   #2
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Ouch hope you didn't spend too much.

Looks like you are going to have to get a new bottom bracket that fits. Not sure what this crankset is, so can't really give any advice. Go back to the shop and have them set you up to ride.
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Old 03-26-07, 03:14 PM   #3
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buy a longer bb.
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Old 03-26-07, 05:00 PM   #4
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first please post pics and pertinant info like the taper and size of your bb
second if it is the mavic 631 (starfish cranks) then they are really nice and were meant to be a double they also had a track version
spindle length should 111mm for those and as for taper I can't remember
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Old 03-26-07, 05:35 PM   #5
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I'm pretty sure that it takes an ISO taper.
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Old 03-26-07, 08:42 PM   #6
Igneous Faction
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Hey uh, if it falls through, you could always ship them to me!

My full Mavic-gruppo (road) is proving harder to get than I originally thought.
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Old 03-27-07, 04:45 AM   #7
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I'm a huge fan of those cranks. I've been desperately searching for a pair in 175 (or bigger!) for the track. I've had my 170mm set forever and I love them to death.

I've actually had a very similar issue: They were fine with my Mavic BB (obviously), a cheapy shimano BB, but not a loose-ball (older) sugino BB.

I had all but forgotten about this issue, but the mechanic who was working on it at the time was stumped. I'm guessing BB length, but I'm not sure at all.

I'm sure AfterThisNap will have an answer, if no one else does.
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Old 03-27-07, 05:00 AM   #8
shogun17
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Quote:
Originally Posted by Igneous Faction
Hey uh, if it falls through, you could always ship them to me!

My full Mavic-gruppo (road) is proving harder to get than I originally thought.
MEKTRONIC

(probly not)
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Old 03-27-07, 01:46 PM   #9
trebor
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ok guys I have come to understand after a little research that they are the starfish cranks and they are sweet. I picked them up for $45. which i thought was pretty good because some guy on craigslist had them listed for $150. so maybe i did all right there? but this is the problem. the left hand arm(non drive side) slides on the taper and goes far enough in to get the nut on but the right side doesn't go far enough up the spindle. Does anybody know if these cranks need a longer taper on the drive side. If this doesn't work i'll just back to the 105's.
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