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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
Just to get this straight, you ordered the group set directly at tantan too or from third party at ali?

I bought a frame at Seraph (Tan Tan). 
They have also arranged groupset for me, but it was not assemblied on a bike.
I got everything in one box and assemblied by myself.

November 11, 2025, 12:53:30 AM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? Received my frame. Six weeks since ordering to UK
Size 52. 865G frame, 425G uncut fork in translucent blue. Dark until the light hits it. This is a mist of blue on a raw frame with glossy finish
Paint looks well done, no missing spots or anything. There are a couple of tiny dimples on the carbon here and there, as if no fillers have been applied. It seems only cosmetic and I’m not too worried. You’ll get what you pay for, some are lucky some are not. Apart from that, fork and all races look clean and smooth
BB with no overspray and threads all clean and good. Anyway,I did chased and slightly faced
Brake mounts as expected needed facing. All done, with before and after pics
Now waiting for a set of Zen wheels, carbon cranks from DFS and Ultegra groupset at some point. No hurry during winter
I can provisionally say the Hylix 15 to 0 offset fits. Only 0.20mm narrower that the Tan Tan post. I tested it with a set of wheels, no cranks and bouncing up and down full force without carbon paste
Fingers crossed it works since the inline post will help achieving the perfect fit

November 12, 2025, 09:09:34 AM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? A sanding block from your local hardware shop has never failed me in the few Chinese bike that I have built up.
November 13, 2025, 09:01:14 PM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
Hi all. I've ordered the frame in July and received in september. I started building it this weekend and noticed I am missing the di2 grommets. I contacted Rose from Serpah/tantan and she told me this parts are no longer included in the packages. However, checking Patrick's video, you can see that at least the rear grommet is among the parts sent to him. Has anyone else had this issue?

I received the rear grommet for Di2 with my frame recently. I wouldn’t worry if that was missing. Easy to get one online for a quid or two

November 18, 2025, 02:16:35 AM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
I didn't receive any grommets either,  I had spare grommets so I used those instead.
I recieved all grommets on both of my X68's. It's weird they don't give them anymore?
But in any case, as others replied, just buy them seperatelly at local bikeshop.

November 18, 2025, 11:52:30 PM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
Now that we're pretty much at the end of the season in a lot of north america, how has this frameset held up so far? Any longer term reviews?

Going strong and primed for the UK winter now

November 24, 2025, 05:57:07 PM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? A good friend of mine just finished his build: https://youtu.be/j2Le5kGi6-U?si=lIwtqN89H4q77138

https://youtu.be/j2Le5kGi6-U?si=lIwtqN89H4q77138

November 26, 2025, 03:29:48 PM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? Hello everyone,
I’ve been reading your posts since August, and today I finally decided to write for the first time. I went ahead and bought the bike frame from Tan Tan because I was really curious to see how good such an affordable frame could be and whether it was actually worth it or not. Now i can share my feedback with you guys.
As of today, I’ve already done about 1,200 km with the bike, and I can say that I’m very happy with it. My previous bike was a Specialized SL7 Pro, and honestly, I like the TT-X68 much more — it feels faster and lighter than my old SL7.
The only thing that has me a little concerned is cornering. I’ve seen some users complain about how it handles in curves, and I’ve noticed the same. I’m not a great descender, but it’s true that I find it a bit unstable — as if the steering were softer?? I don’t know if it’s because I was used to the stiffness of the Roval Rapide handlebar on the SL7 or if it’s due to the fork, but that’s the only thing that doesn’t fully convince me! ( i have the newer version of the fork, the heavy one).
Maybe it’s not just the handlebar but the whole change of bike setup, since now I’m also riding with a wider rim at lower pressure (4,6 bar front ), and maybe everything adds up. Anyway, I’m thinking about changing the handlebar for a stiffer one without spending too much money. Does anyone have any recommendations? Thanks!
Here’s my current setup:

Frame : TT-X68 camaleon white 56
Wheels:  Ryet 50 F/R  (1430gr not the lightest ones)  with TPU RideNow tubes 24gr each 
Groupset : Sram Force   ( SRAM Force AXS powermeter + cassete force 10-33)
Handlebar: Tantan
Seat : Ryet 3d carbon  from Aliexpress
Pedals:  Bucklos carbon- titanium (220gr) from Aliexpress


December 18, 2025, 02:52:10 AM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? **“I’ve noticed it as well. I’m riding a size 52 frame with 50 mm deep wheels with carbon spokes, and I also feel some flex when entering corners above 35 km/h, especially if I keep pedaling.
Before, with 45 mm deep wheels, I felt it more. Now, with 50 mm wheels and very stiff carbon spokes, I feel it much less.

I find the handlebar very stiff — I’ve tested it during sprints both on the road and on the trainer. My feeling is that this excessive compliance is coming from the fork and the rear triangle.






Hello everyone,
I’ve been reading your posts since August, and today I finally decided to write for the first time. I went ahead and bought the bike frame from Tan Tan because I was really curious to see how good such an affordable frame could be and whether it was actually worth it or not. Now i can share my feedback with you guys.
As of today, I’ve already done about 1,200 km with the bike, and I can say that I’m very happy with it. My previous bike was a Specialized SL7 Pro, and honestly, I like the TT-X68 much more — it feels faster and lighter than my old SL7.
The only thing that has me a little concerned is cornering. I’ve seen some users complain about how it handles in curves, and I’ve noticed the same. I’m not a great descender, but it’s true that I find it a bit unstable — as if the steering were softer?? I don’t know if it’s because I was used to the stiffness of the Roval Rapide handlebar on the SL7 or if it’s due to the fork, but that’s the only thing that doesn’t fully convince me! ( i have the newer version of the fork, the heavy one).
Maybe it’s not just the handlebar but the whole change of bike setup, since now I’m also riding with a wider rim at lower pressure (4,6 bar front ), and maybe everything adds up. Anyway, I’m thinking about changing the handlebar for a stiffer one without spending too much money. Does anyone have any recommendations? Thanks!
Here’s my current setup:

Frame : TT-X68 camaleon white 56
Wheels:  Ryet 50 F/R  (1430gr not the lightest ones)  with TPU RideNow tubes 24gr each 
Groupset : Sram Force   ( SRAM Force AXS powermeter + cassete force 10-33)
Handlebar: Tantan
Seat : Ryet 3d carbon  from Aliexpress
Pedals:  Bucklos carbon- titanium (220gr) from Aliexpress

December 18, 2025, 10:48:04 AM
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Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? 8 Months in still going strong
December 19, 2025, 12:52:12 PM
1