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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 04-27-06, 07:26 PM   #1
fixedgnar
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'06 Pista BB Sizing/Threading

Kind of a noobie question but what can I say, gotta start somewhere right? So some how I cross threaded the drive side pedal on my pista, completly stripping out the threads on the crank arm once it came loose after rideing for a while. I figure this is a good reason to just go ahead and replace the whole crankset and bb. Problem is I can't find the specs anywhere as for the threading and sizing of the bb. Also any reccomendations for a decent crankset somewhere around $175-250 and i'm going to a square taper bb as well replacing the splined OEM one unless someone knows of a sutable crankset for this bb thats not ****. Thanks.

-Josh
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Old 04-27-06, 07:36 PM   #2
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English threaded. The spindle length depends on your crank, not your frame.
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Old 04-27-06, 07:42 PM   #3
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I just need to know the shell size.
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Old 04-27-06, 09:03 PM   #4
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should be 68 x spindle length
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Old 04-27-06, 09:37 PM   #5
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Thanks.
Ok now that thats sorted any crankset reccomendations?
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Old 04-28-06, 03:38 AM   #6
les walters
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Thats funny the same thing just happened to me.
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Old 04-28-06, 03:40 AM   #7
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oh wait that dident happen i was reading to fast early in the morning,but i did break my drive side crank right off my bb. it sucked
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Old 04-28-06, 03:44 AM   #8
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It hurts to hear of so many good parts being murdered through improper installation... *sigh*
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Old 04-28-06, 07:54 AM   #9
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Decent crankset for $175-$250? Get the Sugino 75's if that money's burning a hole in your pocket. Jerk.

BTW, does anybody know of a decent car I could buy for $100,000? I'm a total newb...
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Old 04-28-06, 12:29 PM   #10
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Quote:
Originally Posted by Aeroplane
Decent crankset for $175-$250? Get the Sugino 75's if that money's burning a hole in your pocket. Jerk.

BTW, does anybody know of a decent car I could buy for $100,000? I'm a total newb...
Sorry. Just asking because thats all the money I have and as long as i'm replacing the cranks I may as well do it right with something good. It's not like I have a ton of cash that I feel I have to spend right now. I just want to buy the best I can as long as I'm forced to replace something. I'd rather upgrade one good part at a time than a bunch of mid-range stuff at once. But thanks for the suggestion.
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Old 04-28-06, 12:47 PM   #11
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correct me if I'm wrong, but the '06 pista has ISIS Truvativ touro cranks, right?
if that's the case you have a 68x108mm ISIS BB.

the only ISIS track crankset I know of is the FSA vigorelli (well, there's also an OEM FSA carbon model)

so you could get a replacement touro (which is really a triple with the ring mounted on the inside) for $60-ish.
or a FSA vigorelli for ~$175. (but i think it's fugly and the old versions were known to suck)
or you're looking at a new BB + crank combo. Sugino 75 is in your price range - do a search, i thnkg mud sweat and gears has the best price. Miche would be a bit cheaper if you're willing to deal with 135 BCD rings (try ital-tecno). Don't get the stronglight.
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Old 04-28-06, 01:18 PM   #12
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Quote:
Originally Posted by fixedgnar
Sorry. Just asking because thats all the money I have and as long as i'm replacing the cranks I may as well do it right with something good. It's not like I have a ton of cash that I feel I have to spend right now. I just want to buy the best I can as long as I'm forced to replace something. I'd rather upgrade one good part at a time than a bunch of mid-range stuff at once. But thanks for the suggestion.
No worries, just joking around. The 75 with a Shimano BB will probably serve you well for as long as you own your bike. The cranks go used for around $150 with a chainring.
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