Author Topic: VeloBuild VB-TT-023  (Read 25930 times)

Hmpf

Re: VeloBuild VB-TT-023
« Reply #120 on: April 27, 2025, 02:45:58 PM »
Handlebar problem solved!
The support was great - they sent a new stem and handlebars.
I re-routed the brake lines and used sturdy downhill lines.
I greased the contact surfaces on the handlebars and stem really thickly with carbon grease.
Screws tightened crosswise in 0.2 Nm increments up to 4.4 Nm. Holds bombproof, tested for 530 km, even on potholes.

It was probably due to the paint on the clamping surfaces or the grip film on the handlebars, or it was a material defect. Because I did the same with the old stem and handlebars, also tried till 5Nm and had still the issue.
Just a theory, but now everything fits!

Many thanks for your help and thanks to velobuild!

Juul

Re: VeloBuild VB-TT-023
« Reply #121 on: April 27, 2025, 03:40:39 PM »
Handlebar problem solved!
The support was great - they sent a new stem and handlebars.

Great to hear! Did my first outdoor ride on the bike today.. handlebars slipped and indeed pinched the brake ducts.
Got back home safely, redid the cockpit, and torqued to 4NM.. everything seems to be ok now.

Just another thing: are you handlebars also 'super' flexy? If I'm in the aero position, the flex is not noticeable. But if i hold the bars at the brakes, the flex is super noticeable. Especially when putting power down after corners
I would suspect that the carbon was super stiff.. but apparantly not :)

Hmpf

Re: VeloBuild VB-TT-023
« Reply #122 on: April 28, 2025, 12:47:20 AM »
The Basebar doesn't flex any more than the carbon handlebars on my road bikes.
The flex was one of the reasons why I switched to carbon. It is more comfortable.

Theoretically, the center of gravity is somewhere else on the TT, so more weight is placed on the basebar. Maybe that's why it works like that.

After fitting the new cockpit, I stood in front of the bike, grabbed the outside of the basebar and pulled and pushed myself up with my whole body weight - as an additional test to make sure everything was really secure.
« Last Edit: April 28, 2025, 12:49:56 AM by Hmpf »

mineBikes

Re: VeloBuild VB-TT-023
« Reply #123 on: April 29, 2025, 06:54:48 PM »
I really like this frame and I am considering pulling the trigger and buy it but I just can't figure out where to store gels during IM/70.3 events
I don't like the idea of the box on the top tube because kinda defeats the purpose of having a nice flat stem and top tube.

What real alternatives are there? Does anyone have any picture of their setup?

Re: VeloBuild VB-TT-023
« Reply #124 on: April 30, 2025, 12:34:20 AM »
I really like this frame and I am considering pulling the trigger and buy it but I just can't figure out where to store gels during IM/70.3 events
I don't like the idea of the box on the top tube because kinda defeats the purpose of having a nice flat stem and top tube.

What real alternatives are there? Does anyone have any picture of their setup?

I thought of this issue too when buying, and my solution is a mixture of Gels in the back pocket and running 2x bottles up front. 1 1L bottle with my carb mix and then 1 small 500ml or elite aero bottle with a load of gels squeezed into it.

mattgolt

Re: VeloBuild VB-TT-023
« Reply #125 on: May 01, 2025, 02:06:34 AM »
I thought of this issue too when buying, and my solution is a mixture of Gels in the back pocket and running 2x bottles up front. 1 1L bottle with my carb mix and then 1 small 500ml or elite aero bottle with a load of gels squeezed into it.

Same, I'm doing 100% liquid feed as well. Otherwise I'd have gotten the tantan 912, because it has a bento box. I like your cockpit setup! I haven't dared to pull the trigger on the winow bars yet as I am afraid they are too short (fasttt makes an XL variant, winow not..). How tall are you and what bar size you have?


By the way, are you keeping the colored bracelets on your bike so you can shorten the next run during an IM?  :D
« Last Edit: May 01, 2025, 02:08:42 AM by mattgolt »

Hmpf

Re: VeloBuild VB-TT-023
« Reply #126 on: May 01, 2025, 12:49:39 PM »
@mattgold
You have already provided a very cool toolbox.
Can you show a few more photos of how you solved the cockpit with the BTA bottle?

Re: VeloBuild VB-TT-023
« Reply #127 on: May 02, 2025, 03:16:52 AM »
Same, I'm doing 100% liquid feed as well. Otherwise I'd have gotten the tantan 912, because it has a bento box. I like your cockpit setup! I haven't dared to pull the trigger on the winow bars yet as I am afraid they are too short (fasttt makes an XL variant, winow not..). How tall are you and what bar size you have?
I am 187 cm (6ft2 ish) and pretty sure I am on the L version (I got these when they first were released by Winow). I've paired them with the FastTT reach extender brackets and they now fit really quite nice.

By the way, are you keeping the colored bracelets on your bike so you can shorten the next run during an IM?  :D

haha I never thought about that. I kept them as fuel for the fire after I DNFd that IM and didnt get all the bracelets!