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I have an Italian UN 72 107mm if you wanna give it a go.
It is brand new before it fitted for a test on a frame.
Did not clear a double OLMO from the 80s with Shimano 600 which was run single speed.
113mm made it work with the ring on the outer so I guess you'll need a 115.
Stronglight makes JIS Italian BB still so shop around for it, would have offered one but I'm leaving mech life at the end of the week.
coventry_eagle-
I'm leaving mech life at the end of the week.
What you doing Beags?
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Hi Ben, its Dan with the rowdy Columbus Max Somec I brought into BC recently.
Thanks for the offer dude, and sorry to hear you leaving wrench life, I'll miss you from BC for sure you've been great since you been there. Our loss is bankings gain, booo that sounds all wrong....
I've not got either crank or frame with me at the moment, so can't really commit to buying BB at this stage, and as you say in your later post I think the answer is to get both, rock along to BC and try a few and see what fits best, so I'll do that when I've got everything in a couple of weeks.
And thanks also to @svenhöek , oh man so its seems the Starfish its really neither ISO or JIS and there is a third way and its somewhere in between, how very French. I know the Chorus/Record 10 speed use a 102 axle width BB but I suspect that will defo be too short so the 113/115 options seems a good starting point.
At least now I think it can work one way or another, so thanks all for the input.
snottyotter
user75204
OK, is that good news or bad news? :) Sorry I know nothing of Shimano and JIS
Its surely not going to be as easy as letting me use a Shimano BBUN55 is it, that would be great but seems too easy and simple. If yes from what I can see they come in axle lengths of 107mm, 110, 113, 115, 118 so maybe one of those?.
Edit, hmm all the Shimano BB's I see are BSA threaded but the frame I want to fit this Starfish to is a late 80's Italian bike with Italian threaded BB and a 68 shell width, so I seem like I'm trying to cross streams again, is there any Italian threaded square taper JIS BB's with a 68 shell width?
@MCamb I did wonder about that, maybe a new one will be too fat but a more used chainring will be worn to fit :)....thanks, to be honest I can fiddle with chains, its the BB I'm more worried about at this point.