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Re: New Tantan Seraph X71 - Replica Factor Ostro VAM V2 (UDH)
Anyone tried to ride 32c Tires on this frame?

im planning to run 32c tires gp5000 tires on 25mm internal width rims! Will update once I get the frame...if I actually get it  ::)

September 12, 2025, 10:55:01 AM
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Re: New Tantan Seraph X71 - Replica Factor Ostro VAM V2 (UDH) @Pupilorutero Here are photos of tire clearance with the 32c tires (Continental Grand sport race on 28mm external width rims). Its pretty tight, but I think its doable for really clean road conditions. about 3-4mm to my eye.

September 22, 2025, 12:27:53 PM
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Re: Replica Factor Ostro VAM
Can anyone give contact to Tom from Taiwan Glory?
+86 136 7012 0157

December 02, 2025, 02:52:29 PM
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Re: Replica Factor Ostro VAM
You can open the bottom bracket and have a look into the frame and see if everything is smooth, thats more or less all you can do in my eyes, but if it's smooth it's not a guarantee the frame is good quality and also not every unsmooth frame is shit

Weigh it, see if it's heavy like a tank. Ride it, try some sprints, see if it's flexy. Hit a few potholes, see if it snaps.

If it passes all those tests, you're probably good  ;)

December 02, 2025, 03:16:34 PM
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Re: Replica Factor Ostro VAM Round 2... from Yoho this time. Hoping I was just unlucky last time and there are no issues here. Frame should be shipping soon.
December 12, 2025, 08:57:35 AM
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Re: Replica Factor Ostro VAM Asking for a friend, maybe you can help me.

One friend bought a second hand proteam OSTRO V2. Legit frame.
He got an accident and fork is broken. They are asking him for 1.200€ just for the raw fork.
Do you know if a Replica fork will work on  a legit frame? Recomendation for a seller?

Thanks!

February 02, 2026, 04:14:35 AM
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Re: New Avenger R8-RS Does anyone knows what is even claimed max tyre clearance for this frame. I was not able to it find anywhere on their website. This max tyre clearance game for frames is pretty frustrating for me. Please bike brands, it is not that hard to put on frame specs what WAM tyre can frame take with what space availible.
June 12, 2026, 12:49:17 PM
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Re: New Avenger R8-RS Frame received a few weeks ago. Built with Dura Ace and Campagnolo Bora Ultra 60 wheelset for a total weight of 7,12 kg. The bike is insanely fast (coming from a 2009 Cube and a 2014 sub-6 kg Focus Izalco Max 0.0). Stack is indeed very low, I almost wanted to ask for more spacers but ended up with just the standard 6x5mm spacers. It's an aero bike after all and that would have been not really nice aesthetically. I actually feel very good on the bike now, quite comfortable. I had some issues with some screws and engaging the thread in the nuts (used a tap to clean the threads). Another issue is that I have to apply a lot of torque on the headset to remove any play (there is enough space between expander and top plate and bearings are not compressed at all). I'm guessing it's because there is a lot of friction between the fork and stem. Headset fine tuning was not easy, but maybe I'm just bad. Really happy with the frame regardless.

July 09, 2026, 10:22:56 AM
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Re: New Avenger R8-RS
Frame received a few weeks ago. Built with Dura Ace and Campagnolo Bora Ultra 60 wheelset for a total weight of 7,12 kg. The bike is insanely fast (coming from a 2009 Cube and a 2014 sub-6 kg Focus Izalco Max 0.0). Stack is indeed very low, I almost wanted to ask for more spacers but ended up with just the standard 6x5mm spacers. It's an aero bike after all and that would have been not really nice aesthetically. I actually feel very good on the bike now, quite comfortable. I had some issues with some screws and engaging the thread in the nuts (used a tap to clean the threads). Another issue is that I have to apply a lot of torque on the headset to remove any play (there is enough space between expander and top plate and bearings are not compressed at all). I'm guessing it's because there is a lot of friction between the fork and stem. Headset fine tuning was not easy, but maybe I'm just bad. Really happy with the frame regardless.

The frame came with both a steel bolt kit and a titanium bolt kit.
I suspect the titanium bolts are from S-Parts, a brand commonly used by bike shops in China.
While they aren't cheap, they do seem to suffer from occasional QC/tolerance issues.

The steel bolts thread in perfectly, but some holes felt a bit tight with the included titanium ones.
In particular, the M6 × 15mm bolt for the seatpost wedge clamp wouldn't thread in at all when using the provided titanium bolt.
Switching back to the included steel bolt—or using a titanium one I bought separately—worked flawlessly.

July 09, 2026, 10:38:53 AM
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Re: New Avenger R8-RS
When you have time, could you post a side view of the bike?

Thanks

Here you are.

July 09, 2026, 01:17:00 PM
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