Velobuild VB-R-177

[patliean1]

Kinda bummed that this Rubino pro 30mm measures 32mm on the calipers and pretty much rubs:

I was just mentioning in another post how I would love to use my VB-177 for CX since technically it can accommodate 32c tires. From the looks of your photo this is not quite accurate, especially if I use knobby tires.

[carbonazza]

Kinda bummed that this Rubino pro 30mm measures 32mm on the calipers and pretty much rubs:

The end width depends on your rim width as well as the pressure.
For instance 28mm tires on my 32mm rim, makes them 31mm at 4bar.

[pearl]

Anyone have issue with the straight seat post hardware by the saddle? 2 hours of total ride time and it ended up stripping the barrel of the rear bolt. Had to ride 9 miles home standing up. I don’t think I overtorqued it…. But was kind of a bummer.

Otherwise I’m pretty stoked on it!

[s3si1u]

Anyone have issue with the straight seat post hardware by the saddle? 2 hours of total ride time and it ended up stripping the barrel of the rear bolt. Had to ride 9 miles home standing up. I don’t think I overtorqued it…. But was kind of a bummer.

Otherwise I’m pretty stoked on it!

I have the same straight seatpost but I sourced it elsewhere. It's a Toseek but the hardware looks identical to the VB post and I'm not too crazy about it either... No issues yet, but it's a bit hard to set up just how I want it and it the hardware doesn't look or feel as good as the setback seatpost imo. Currently looking for a different straight seatpost myself

[pearl]

Between my Thomson post and the carbon one they gave me, even at 6-8nm, I can still rotate the seatpost in the frame. Cleaned both well, carbon paste on both seat posts, same result. I could increase the torque and I bet I still have the same issues…

[Irideslowly]

There's most likely a few mm gap between the Seatpost and the frame. Most open moulds have this issue. Put a can of soda in the gap then clamp onto it. should work.

[Velovelo]

Between my Thomson post and the carbon one they gave me, even at 6-8nm, I can still rotate the seatpost in the frame. Cleaned both well, carbon paste on both seat posts, same result. I could increase the torque and I bet I still have the same issues…

Welcome to my world with the 177 seatpost clamp issue.
I currently run a cheap (relatively heavy) alloy 27.2mm seatpost with fiberglass tape wrapped 2 layers inside the seat tube / seatpost / clamp interface. Also changed the clamp bolt to a 30mm hex socket cap bolt and fastened the bolt pretty tight.
Now no rotating or slipping for over 500km of riding. Still have my eyes on it, watching the slide mark closely. No slip yet so far.
The carbon seatpost that came with the frame has two deep clamp scratches from slipping. Not safe to use anymore.
I'll be leaving the 177 on the indoor trainer forever when my 099 zero offset seatpost arrives.

[pearl]

There's most likely a few mm gap between the Seatpost and the frame. Most open moulds have this issue. Put a can of soda in the gap then clamp onto it. should work.

I did this in the front part by the clamp, which helped, but it still is able to rotate if i apply some good pressure to it. its certainly better, but not great...

[Irideslowly]

I do it all around the seatpost to ensure the gap is filled

[pearl]

I do it all around the seatpost to ensure the gap is filled

Don’t think I could get it all the way around the seat post, I’ll give it a shot!

EDIT: this setup, going out for a 30 minute ride soon, hopefully it stays put. It's maybe 95%?

EDIT2: No slips, tried to hit all the potholes/manhole covers I could, so lets hope that this the fix...

[pearl]

Now onto widest tires; who has what?

My training wheelset (read not road race/light gravel) is 19mm internally. I tried Rubino Pros in 30mm and while it clears, I already scratched the underside of the fork 

I looked through the thread but couldn't get every detail, anyone able to run a 30/32 without rubbing? What is your rim internal width?

[patliean1]

I tried mounting tubeless 30/32c Specialized Roubaix slicks last night…absolutely no way there were fitting on the front.

EDIT: Probably because the wheels I was using has an inner width of 23 and outer of 31.

[pearl]

I tried mounting tubeless 30/32c Specialized Roubaix slicks last night…absolutely no way there were fitting on the front.

EDIT: Probably because the wheels I was using has an inner width of 23 and outer of 31.

I got those too, but no way they would even be close to fitting, They are 35mm on a set of 21.6mm internal width...

[s3si1u]

I’m running Enve SES in 29mm mounted on a very wide rim with I believe 25mm internal and they fit with plenty of clearance. The tires balloon to about 31mm at 80psi.  I think I could go one size up if I really wanted to, but the clearance at the top would be very tight.

[elmtree]

I’m running Enve SES in 29mm mounted on a very wide rim with I believe 25mm internal and they fit with plenty of clearance. The tires balloon to about 31mm at 80psi.  I think I could go one size up if I really wanted to, but the clearance at the top would be very tight.

Do you have any pictures of the closest points to frame rub?

Thanks!