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Re: Velobuild AERO GRAV Frame This is mine almost finished.
With these tires (Panaracer Gravelking 38mm) on tarmac it is very fast while still allowing me to ride on dirt roads and fields that I couldn't do with real road tires.
I have a second wheelset with Thunder Burts.

I just need to get a crankset/power meter and put some stickers on it.
The options are Red, Big Rock, or Leese + Xcadey spider.

The Red is the lightest, but the others have a 24mm axle, so I can easily move them from one bike to another.

Or I'll keep the Force 22 and get the Favero MX.

It's a tough choice  ;D
September 15, 2025, 12:26:40 PM 		1
Re: Velobuild AERO GRAV Frame
Quote from: Yoei802 on September 17, 2025, 09:30:35 AM
Anyone here know what length bolt they used for the front brake mounting? I am running SRAM Rival/Force flat mount brakes front and rear. I ordered 37mm for the rear but unsure on the fronts.

Im running SRAM Rival flat mount. 32mm for the rear and 15mm for the front is what was required. Dont forget you need the mounting plate for the front as well.
September 19, 2025, 01:37:45 AM 		1
Re: Velobuild AERO GRAV Frame
Quote from: shy-b on September 27, 2025, 05:36:16 AM
Size recommendations: My height is 1,80m and inseam is 84cm. I thougt getting the M frame but my current bike has a similar geometry in the front and I would like to get a lil lower stack-wise. I have rather longer arms and maybe I can get away with S and a longer stem…

Any people here with the same issues?

Since the frame is pretty similar to the Ridley ASTR, they are also on the Ridley side of sizing. So it is usually a size down than other brands. I am riding a M Frame on my Ridley Helium, with 187 and 89 inseam and I will also order a M Velobuild frame. The frame has a very racy geometry for a gravel bike, with a pretty long reach, keep that in mind. There are some pretty good sites for comparing different frame sizes, like https://www.bike-stats.de/ they also have the Aero Grav listed. Hope that helps :-)
September 29, 2025, 08:24:33 AM 		1
Re: Velobuild AERO GRAV Frame
Quote from: thetallone on October 12, 2025, 12:48:21 PM
Just order my frame, size XL with integrated bar. Quite tall (200cm) so had to discuss the sizing with my bike fiter. Compared to my roadbike it's quite a long and low frame, but with some extra spacers for the front that Chris kindly included we did the math and should be fine. Maybe not the most aestetic front but when you are literally several meters tall usually not how it goes anyway haha. Does anyone know if it's possible to leave some extra fork above the bar or it needs to be cut to size to be rideable?

I'm going to build it out with a 1x front and Eagle Transmission RD, paired with Rival shifters and calipers. Still deciding on chainring (probably alugear) and cassette (probably an ali one, yet to decide).

If I've done the math right for chainline a DUB wide crankset and DUB T47 BB should pair nicely. However, the sram DUB T47 BB is marked as 85.5mm wide, not 86,5. Does this still work?

Also, for future reference, according to Chris all frames are now supplied with 1.0 pitch rear axle by default.

Thanks a lot in advance,

Yes the Sram dub t47 bb does work, i thought the same and was going to get the rotor one which specifies 85.5 and 86.5 but the local mechanic said it was not an issue.

I have the SRAM one fitted with the sram wide crankset and it works great.
October 12, 2025, 08:22:02 PM 		1
Re: Velobuild AERO GRAV Frame
Quote from: jermu on March 18, 2026, 05:12:14 PM
Pretty damn annoyed with the headset and cockpit. Cockpit required good bit of filing to get it flat, bottom was horribly uneven.

Second problem is with the metal U-ring being too thin, dust cap sits against the frame. It is fine with some shims but it does not look like an ideal solution because of the internal cable routing. I am kinda afraid that over time edge of the very thin shim will cut into the brake hoses.

Any ideas? I thought about cutting the shim just under size of the U shaped ring and gluing it to the dust cover.

Update on this.
Emailed Chris about headset and he offered to make a taller compression ring as shimming was not really ideal. Instead of a new compression ring I did buy a new upper bearing that is 1mm taller so 40x52x8 instead of the original 40x52x7. I think space between frame and dust cap is great right now.
March 25, 2026, 09:24:27 AM 		1
Re: chinese carbon saddles Hello, I have ridden this Ryet saddle a lot, training sessions and races, and I have felt always very comfortable, not remember having any big falls with it.

Negative points: the saddle rails are very rudimentarily glued, it already lacks material and the synthetic leather does not last long.
The second saddle with synthetic leather is also damaged. I will test a new 3d printed model from Ryet....
March 31, 2026, 04:24:43 AM 		1
Re: Velobuild AERO GRAV Frame
Quote from: tree on March 26, 2026, 07:05:44 PM
Hi, from your experience, would this bearing (attached diagram) be the correct one?

Unsure of the angles as I ordered the bike but want to get ahead of any issues when assembling.

Thank you!

Yes I believe so.

This is the taller bearing I bought and have installed as top headset bearing: https://www.kugellager-shop.net/mh-p16h8-bo-acb52-bo-kugellager-steuersatz.html
March 31, 2026, 11:42:49 AM 		1