derailleur install trouble on new protovelo

[jandrews_nyc]

Hi, 

I recently purchased a Riv prototype frameset that was listed on the site a few weeks ago.  I'm building it up as a speedy roady bike as my Hillborne is heavy duty cargo carrier at this point.

I'm having trouble this morning installing the rear derailleur.  The bolt just doesn't want to thread into the derailleur hanger.  Has anyone experienced this before.  

It's an Sram apex rear der.  Am I missing something?  I can't imagine the threads wouldn't be compatible. 

thanks in advance for your advice

http://tinyurl.com/dxuvjgz

[Alex Zeibot]

You have done nothing wrong or missed anything.  From judging your picture it looks like there is an excess of the paint inside the hanger threads therefore you might want to tap the the treads.  Happened to me before with new frames.  BTW - Gorgeous frame!

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[jinxed]

Well for one...hot damn that's a great looking frame!! Excited to see this one progress.

As for the derailleur, I would bet it's paint giving you some hassle. I've been surprised how little it takes to gum up smooth threading. A proper thread chasing is all it should take. I picked up a tap set fairly cheap at ACE hardware that already contained the correct bit for water bottle and rack bosses but had to get the der sized bit separately. Now I chase everything first build and all has been well.

I have seen some hangars that have just a slight deformation or blob of metal right around the beginning of the threads. Not sure what causes it, but that prevented getting the thread started too. Again tapping it would solve the issue.

To my knowledge there should be no compatibility issues.

[jandrews_nyc]

Ok

duh

it was the paint

there's a bike shop one block from my house, they tapped it for free and I was able to install

thank you

JS

http://tinyurl.com/cb45b7d

[Aaron Young]

Just want to say congratulations on the beautiful frame (as well as the opportunity to buy new tools). 

Aaron Young

Vancouver, WA

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[jandrews_nyc]

thanks

I'll keep you all posted on the build.

JS

[Ron Mc]

OK, got my breath back - you did good

[Michael]

Love the paint on that!

Wonder what it is a proto for?

Doesn't seem like RBW is heading in the road bike direction these days with all the talk of Apaloosa's and such.