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Sure looks like Ti to me. That's what the "titan" in Bititan refers to after all. When I worked at a shop that made custom Ti frames, we repaired a couple Ti Colnagos, one of them a Bititan. I was not impressed with what we could see after opening one up. Not great cleanliness, inadequate...

NR-SR-Rally hybrid, with custom Ti bolts:

On those, doubles and triples used the same bolt pattern, just longer bolts for triple, with 5 spacers between the middle and granny. The granny could go as small as 28t, and a very common setup was 28-38-48

A pic of the whole crank might help! Reminds me of the story of the six blind men describing an elephant, where each was touching just one part of it, not seeing the whole shebang. The only French-made crank I know in 86 mm BCD is Stronglight. There were a few variations in name, material and...

I've always been "the tandem guy" in all the shops I worked at, except Santana I suppose because tandems were all we made, so we all were the tandem guy. I have built hundreds of tandem frames. My 1988 Davidson is still in use. It has never had any brakes other than rim brakes, and we never...

Might be more like ignorance. Can I get pro hosting for free? I'm not willing to pay, my current setup costs me nothing. I have also put close to zero thought or work into it. Sorry-not-sorry, I don't want to be a web master. Download and save anything there that you like, it might go away...

Try again now, should be fixed. I don't have a static IP address because they charge money for that and I'm skint. So every time I reboot I get a new address, and have to go into the DNS and change it. DNS is sort of the phone book for the internet — and I keep having to get a new number...

I got nothin'. I would assume Japanese-built though.

I have never seen a Simplex mech newer than maybe mid-'50s that wouldn't bolt right on to a Campy or similar threaded dropout. You don't use the threads, but they don't hurt you one bit. Some ancient mechs used a hanger that was bent out wider than the hub axle attachment part, like this...

Hah, no I'm in reduction mode, not buying anything. I'll be out of the state when Bob's having his thing, can't be there. Take pictures!

I've had a few of them, OK two that made it on a bike I rode. One of them I raced on in XC, and while it didn't give all the advantages of a sus fork, it didn't bring a lot of the disadvantages of a sus fork either. BTW I think at least 3 XC pro world championships were won using them, so back...

Practically all the best builders are using chainstays that are oval at the BB shell nowadays (major axis oriented up-and-down of course). Any slight disadvantage of that is very theoretical and mos def nothng to lose sleep over. I'm just a crotchety geezer trying to sweep back the tide — it's...

Here's mine, a little beat up but still never used on a face.

French and Italian are both right-hand thread (RH) on both sides. If you have a LH thread BB tap and it's metric, then it's Swiss. I wonder if your taps are oversized for matching oversized cups. Campy did list 0.5 mm oversized cups as an option, here's a snippet from Catalog 17 (1974): I...

Chapman just uploaded some new ones to Flickr, check it out. In case you don't know, if you sign up for a Flickr account, even a free one, you can follow someone and get an email whenever they drop new pics. I've followed Chapman for years. Here's a few more excellent FBs I follow on Flickr...

I don't mean to say that ovalizing is bad. Sometimes it's great, like the oval at the bottom of a seat tube, definitely an easy win for more of the right kind of stiffness without extra weight. But I think Max has ovals where they don't make good sense. It's just a fact of physics that...

If the TT is inch and the DT is 1-1/8" then it's EL. EL-OS bumps up both of those sizes by another eighth, i.e. 1-1/4" DT. EL was .7/.4 Nivacrom. I think it might have been the very first tubeset in Nivacrom, unless Max came out first? Similar era anyway, late '80s. I made a couple frames...

Thanks, I'll gladly share the progress but it will be very slow. I got as far as cutting out the old toptube etc and then got pulled to other projects. Summer is for riding, and in the Fall we tend to go camping in the desert, visit friends in Arizona etc. So it'll probably be a Winter...

Being a framebuilder myself (retired), I kinda hate this guy for making such mastery look so easy! Argh! But seriously, I'm a fan. I'd rather shoot myself in the foot that go on insta or any Zuckerberg property, but Chapman also has a Flickr page with tons of eye-candy and a few short videos...

Nice!! ;)