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is your bottom bracket italian thread ? if so it should be 70mm wide
the code on the axle says: (68)=BSA-(p)=pista-(120)rear spaceing
if i am guessing right you might run a campa bsa pista axle in italian BB shells, this could be the cause of the missing 2mm on your crank-frame clearence.
the axle code for italian thread shoud say "70-p-120"
just a guess, it might be wrong as well
Hmm, sounds like a plausible explanation. Will look into that!
I've been lacking the Benotto project ever since the birth of our baby boy. Was able to paste a nice Campagnolo decal on the pram though :) -
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My Benotto also has quite some clearance on the front.. somewhere around 1cm depending on the tires used. And it's an original frameset with track forks. So maybe there is a grey area between ultra small clearance and road clearance.. ?
But it sucks, i know.. clearances should be reduced to a minimum ;)
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This needs more pictures.
Will do!! After installing all the last bits :) Toe clips, different chain, straighten the wheels and glue the tires.
oh and Ps...I'm not trying to be a pain and you look very capable, tho if you want someone to cut the forks.,..I've done so so many and can cut perfect right angles with a hacksaw. It's just an offer, and I'm drooling over this bike...really...I'll leave it at that...;D.
Not sure what u mean by 'cutting the forks with a hacksaw', maybe it's my complete lack of sense in how to treat the forks of vintage track bike.. but my gut tells me to leave them as they were made :) I can live with the huge clearance on the front wheel.
Thanks for the offer though and your kind words about the bike :) A shame you had to sell yours.
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tnx guys, still have to lace the front wheel, more pics after that :)
the clearance (or better: lack of clearance) on the chain wheel is concerning me quite a bit.. the chain line is really straight though, so i'm almost thinking it is the right setup..It didn't scratch the frame until now, but when i'm taking it for a proper testdrive (and there is more strength involved, so perhaps i need more tolerance?) i don't want the chainwheel taking a bite from the frame.
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looking real good so far.
regarding the fork, I would thread on a disposable top race and us as a sawing guide. will there be enough thread left to use?
Thanks, that worked out quite well.. i've probably didn't cut off enough yet :)
@ thrust: the machined rim is from another bike.. still have to spoke the front wheel
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I've let the paint cure for a while and mounted the headset, bottom bracket, and the crankset. A bit of a bad photo, but it's not yet time for beauty shots :)
I'm facing a few technical issues that have to be solved: the frontfork is a bit too long, and i don't want to use 4 spacers to fill the threads up. I don't want to buy the parktool for it, so i am open for suggestions how to do this in a sensible way.
AND,
the clearance between the chainwheel and stays are verrrry small:Is this seriously normal? It is like 1mm before it scratches my expensive laquer... The bottom bracket fits pretty good, very smooth. It is a 68-p-120 axle, and the measured chainline from the center of the frame is 45mm which is pretty standard.
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Awesome!
If you want me to paint in the blue bits let me know.
edit: i'd use enamel as there's no colour-matching involved, btw.
That badge turned out rather nice!
Give it weeks! weeks!
Seriously, that long?
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Second dibs!