I'm going to take a shot in the dark since mechanics seem fine and vote for shoe rubbing crank arm. I had this problem with my work shoes, it eventually rubbed off most of the logo on my crank arm. I didn't even feel the shoe rub the crank and yet it was.

My guess is the chain. If there is a problem with a link, it will occur about every 2 revolutions.

scrod im going to be buying problem solvers soon but they dont come with the bolts. where would i source some of these? the ones that came with my shifters wont work.

New without the bolts?

Problem Solvers makes a lot of products. What exactly are you buying?

+1

Lube your damn chain!

oh im sorry, the covers for the shifter bosses on the down tube.

It didn't occur to you that the chain might be the issue? Replace it.

Yeah, they don't come with bolts. Go to a hardware store and buy some.

I have some old 7600 DA cranks, research shows they need a 109mm BB... How bad is it to use a 110mm?

EDIT: Nvm, sources say to go with the 109 and use a 2mm spacer.

From what I've read, the 7600 are NJS, but work with an ISO BB? In that case will the 109mm Prototype work?

Are genetic tibia cranks on par with andel/allcity

If they need a 109mm ISO BB, the Protype should work perfectly. I can look into it a bit more and get back to you.

I have no idea. Except for the rounded off top of the NDS arm, they look exactly the same.

Scrod, you mind if I ask how much your red 722TS weighs?

Scrod, I am looking for a good versatile tire and like the look of the Vittoria Rando Cross in the 700x35c size....have you heard any good things about this tire or can recommend a good tire? Thanks in advance.

20-something. The wheels are pretty heavy.

The Rando Cross can be a little sluggish but you're most likely not looking for low rolling resistance anyway. If you do get them, you'll most likely never get a flat unless you run over a land mine (and then you'll have other troubles).

Scan the path for IEDs....check. lol Thanks alot Scrod.

What bars did you put on that thunder drone, I'm hnnnnging at that build.

So, I bought a brand new 722TS frame off a dude in the summer but only just realized that the seat post collar didn't come with a bolt. Quick google search came up with nothing, so what size bolt should I grab? I assume I could just go to my LBS/hardware store and get a replacement right?

Thanks!

40cm Civia Emerson.

Go to a bike shop and buy a proper seatpost binder bolt.
http://i.ebayimg.com/t/SEATPOST-BIND...G!!~~60_35.JPG
19-22mm should do.

Probably wont even cost you anything, my lbs gave me one for free when it dissapeared out of the shipping box

Send me a 16oz can of High Life. I'll send you a seatpost binder bolt.

How do you measure for the correct length for that?

My beater has a QR binder, and I want to swap it out.