Author Topic: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?  (Read 1473671 times)

momento

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #210 on: January 15, 2025, 07:06:47 PM »
I am really interested in purchasing one of these frames.
I will choose the raw finish in size 52.

Considerations:
The raw TAN TAN frame weighs 140 grams more than the original Specialized frame of the same size, and I actually like this.
What I don’t like is the fork, where the TAN TAN component is even 30 grams lighter than the Specialized one.
I would like to ask TAN TAN to confirm the weight.

As for the rest, I am not surprised at all that there is a parallel production of a frame from such a famous brand.
If they managed to acquire the molds, they probably also obtained the entire process for positioning the carbon patches—how much to use and where to place them (perhaps with lower quality materials, but still effective).

What really amazes me is the blatant way in which such an obvious copy is being advertised.

Serge_K

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #211 on: January 16, 2025, 03:34:16 AM »
What I don’t like is the fork, where the TAN TAN component is even 30 grams lighter than the Specialized one.

If they managed to acquire the molds, they probably also obtained the entire process for positioning the carbon patches—how much to use and where to place them (perhaps with lower quality materials, but still effective).

What really amazes me is the blatant way in which such an obvious copy is being advertised.

on the fork, the only thing that comes to mind is Spec product recalls on steerer tubes snapping. So, potentially, they now ask their factories to make walls thicker than market standard?

on layup techniques. I wouldnt buy a clone assuming the layup and / or materials are the same. However, i would assume that factories that OEM for brands (aka, ~ all of them, afaik), learn. You can call it copy, i would say learn. Philosophically, learning is a form of copying. Let's not go there. So, when i buy an open mould from a factory that makes frames for a brand (for eg, when i bought my 268 from Long Teng that makes frames for Argon 18), the LOGICAL thing for them to do is to somehow apply what they learnt in layup techniques working for brands, to the other frames they make.
I learnt math, then applied math at work. I had to do math for a client and refined my math. Then when i get home and have to do math for my own use, i dont suddenly start using beans to count, i still do math. Now replace this with layup, as i dont think you can patent layups, and even if you can, it's impossible to prove that the brand layup would have been "stolen".

And so, as times passes, good factories should be making increasingly good open mould, OEM, and clone frames.

On blatant copies, if it doesnt have a Spec logo on it, if it's not advertised as a spec, either in writing or pictures, then it's arguably not "blatant" that it's a rip off. Legally speaking, showing a logo that's not yours is a no no. But a frame shape? You'd have a lawyer up, and is the speed sniffer a patented design, or just a common sense design? What if something is different by 1mm, does it make it enough to claim it's different? And so on.

China's been playing a game of cat and mouse since the west started having stuff manufactured there. And in a way, it's "just" learning. A telling example of that is the downfall of gopro and the rise of digi drones & insta360 cameras. gopro absolutely failed at both, and both digi & insta360 are chinese brands that now lead the categories with their products, innovation and so on.

And re. bikes, it's the chinese factories that know how to do a layup. The west sends them requests for stiffness, compliance, shapes and so on, but china knows how to layup a frame, not the west, because the people doing the actual layup are chinese. With, ofc, the exception of 3 factories in Europe & the US, but there's an exception to every rule.

momento

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #212 on: January 16, 2025, 06:52:21 AM »
That OEM factories master carbon processing—I agree.
Starting from the idea of offering a good product for $700, what should I do?

Start with elements that are already working and tested by others, minimizing the testing phase as much as possible.
Use raw materials that are not the latest generation (types of carbon and resins). And here’s my question:
Let me use random numbers to explain myself:
For example, Specialized’s SL8 project requires that the frame is composed of 280 pre-cut pieces of a specific shape, placed in a specific position, with a specific thickness, and using a specific type of carbon and resin (and all of this has to be recalculated for each frame size).

If an OEM factory uses different materials to reduce costs, the scheme (the 280 pre-cut pieces) created by the parent company would have to be revised. And this brings us back to the need for expensive tests and prototypes to achieve a good result with inferior materials.
Conclusions:
My reasoning would be:
I am an OEM manufacturer. If I want to create a GOOD product with that design aesthetic but using different materials—and I want to do as little testing and trial-and-error as possible—what do I do?

Example:

The Specialized frame in size 52 weighs 800 grams. I add 80–100 grams more material to mine and achieve the desired result.
The Specialized fork weighs 350 grams. I make mine weigh 380 grams.
Instead, seeing that the Tan Tan fork weighs 30 grams less worries me. I can’t explain it.

glepore

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #213 on: January 16, 2025, 08:08:58 AM »
Of course the OEM's learn. That doesn't mean its economically viable to follow a layup schedule. Many of those tiny pieces are there for ride quality etc and aren't necessary to basic function, and the folks building these frames know enough to simplify. Again, who knows whether you can tell in the real world. EPS molding is an example of learning.

Totally agree that a very large part of the savings on these comes from the lack of need to recover sunk development costs. It also comes for having a direct to consumer model. Imagine what Canyon could do if they didn't have to develop anything-you'd have what many of the larger asian brands are doing.

As far as shapes go, no one needs to "steal a mold" - you can scan an actual bike. Then you're not "stealing" anything but the shape, which as pointed out isn't patented, although it may be ip protected in the west in other ways.

As far as fork weights go, the 30g being fretted about is within the tolerance quoted by tantan, and likely Specialized's number is conservative. I wouldn't worry about it.

OlHag Cyclismo

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #214 on: January 16, 2025, 12:08:10 PM »
Finally received my frame, size 54 in matte black. Can't speak for quality as this is my first brand new disc build, but everything looks the par. I did notice the common fork and headset area gap, as well as a slight gap on the top side, between the spacers and headset.

I'll be posting my build list with weights once the bike is built up, should be pretty close to 6.9kg.

dovh

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #215 on: January 16, 2025, 01:44:11 PM »
I decided to order it in the end, will try to post an update when i get the frame and when i build up the bike. Hope that the frame is gonna be fine  ;D

patliean1

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #216 on: January 16, 2025, 01:56:17 PM »
Totally agree that a very large part of the savings on these comes from the lack of need to recover sunk development costs.

I'd also include frames being replaced via warranty claims as part of the price point too.

In my recent video featuring a set of $3000 ENVE SES 4.5 wheels, several ENVE customers mentioned how good ENVE's warranty service is. And several viewers also said this is because the company essentially builds into their pricing two "free" replacement set of wheels under warranty, no questions asked, within the first three years of ownership. Basically the customer is paying for 3 sets of ENVE wheels upfront.

By this logic if Chinese brands selling $600 frames were to offer a similar warranty/service, frames would probably cost closer $1500-$2000. Makes sense why it's in their best interest to just produce frames as robust as possible even if with a slight weight and ride comfort penalty.

I wonder if Winspace, Tavelo, and SEKA would do the same. Considering their frames cost about the same.

Nkearb

  • Guest
Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #217 on: January 16, 2025, 04:36:54 PM »
I'd also include frames being replaced via warranty claims as part of the price point too.

In my recent video featuring a set of $3000 ENVE SES 4.5 wheels, several ENVE customers mentioned how good ENVE's warranty service is. And several viewers also said this is because the company essentially builds into their pricing two "free" replacement set of wheels under warranty, no questions asked, within the first three years of ownership. Basically the customer is paying for 3 sets of ENVE wheels upfront.

By this logic if Chinese brands selling $600 frames were to offer a similar warranty/service, frames would probably cost closer $1500-$2000. Makes sense why it's in their best interest to just produce frames as robust as possible even if with a slight weight and ride comfort penalty.

I wonder if Winspace, Tavelo, and SEKA would do the same. Considering their frames cost about the same.

I spoke with a winspace authorized dealer in my area before buying my SLC3 to ask about their warranty. He said hes only ever seen a winspace frame once in his life, a t1550 and it didnt need repaired. But he did say he sells a lot of the hyper wheels in store and they are better than most brands with warrantying things when needed, but he hasn't had to warranty many of wheels at all.

Serge_K

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #218 on: January 17, 2025, 02:12:46 AM »
And several viewers also said this is because the company essentially builds into their pricing two "free" replacement set of wheels under warranty, no questions asked, within the first three years of ownership. Basically the customer is paying for 3 sets of ENVE wheels upfront.


I love it, this is absurd, an actuary would laugh at this :D It's a funny way to get to the ludicrous price point though!
But that excess pricing upfront is a key reason why i buy OEM. Once you know the price of things by getting closer to the source, you worry about warranty less, because you know how easy / cheap it is to replace what you break. The caveat to that being: if not planned well, you can find yourself without a bike to ride for weeks. Hence, have lots of bikes in inventory :D

WWcyclist

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #219 on: January 17, 2025, 02:20:17 AM »
https://tool.nbchao.com/seka/list/7/

This is the color pallete available for this frameset... It also seems that SEKA is made there too.

OlHag Cyclismo

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #220 on: January 19, 2025, 06:02:57 PM »
My Seraph/ TanTan TT X 68 Build - Size 54 - Matte Black

6.94kg - $2900ish all in. Weight is plus or minus 50gwith grease, and misc hardware not accounted for.
I acquired most of these parts used over the course of 4-5 months, via ebay and facebook. I learned about most of the build options, not named shimano, from this site or via youtube (GC Performance, Pat Lino, China Cycling, etc...). I also built this bike by myself, first time ever doing a frame-up build, and used GC's SL8 bike build and his other videos.

Frameset - $629 + $100 shipping. Took about 2 months to receive.
Frame w/ headset bearings, bottle cage bolts, fd mount, rd mount - 878g
Uncut Fork - 339g      Cut Fork - 309g (10mm spacer)
Uncut Seatpost w/ hardware - 166g      Seatpost Wedge - 20g
Thru Axles - 62g
Bar/ Stem 120/38 - 326g
Spacers and Covers - 15g
Garmin Mount - 28g (kinda sucks on first impression, will be looking for alternatives)
BSA30 BB - 88g
Aliexpress SL8 Direct Mount RD Hanger - 15g (saves 8g)

CRW 50/55 Wheelset - 1325g
MT900 160/140 Rotors - 187g (pair)
Aliexpress Tubeless Valves - 11g (pair)
Sunshine Cassette 11-32 - 230g
Vittoria Corsa Pro Control Cream 28 Tubeless - 633g (should be 520g for the pair according to BRR.com)
Amazon CL Rings - 23g (pair)
Stans Sealant 40ml per tire - 60g

Shimano ST-R8170 - 399g
Shimano BR-R8170 - 300g (bolts, pads, calipers)
Shimano FD-R8150 - 112g
Shimano RD-R8150 - 250g
Shimano BT-DN300 - 52g
Di2 Cables - 16g
Sram Force 170, Quarq PM, 53/39 Chainrings - 753g (old sram powerglide chainrings)
KMC X12 Gold - 243g (uncut was 273g)
Brake Hoses - 35g (approximate. I subtracted the excess)

Aliexpress Carbon Bottle Cages - 48g (pair)
Ryet 3d Ultralight 143mm - 165g
Deda Tretaforo Bar Tape - 35g (40g uncut)
R8000 Ultegra Pedals - 248g

Future Weight Weenie Options:
HY Seatpost - 130g - $167 (saves 36g)
Avian Canary - 266g - $300 approximately (saves 60g)
BDOP 11-30 Cassette - 126g - $160 (saves 104g)
Xcadey/ Lexon 53/39 - 600g - $615 (saves 153g)
J&L Axles - 47g - $40(saves 15g)
Tofu Comtura Prima 28 Tires - 480g - $120 (saves 153g over current tires)
Wheels - 1150-1200g - $800 to infinity (plenty of options here)
Saddle - 100-130g - $40 to infinity (plenty of options here)

Tom77

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #221 on: January 20, 2025, 02:10:41 AM »
https://tool.nbchao.com/seka/list/7/

This is the color pallete available for this frameset... It also seems that SEKA is made there too.

No fancy metallic colors?

WWcyclist

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #222 on: January 20, 2025, 02:12:51 AM »
No fancy metallic colors?


I am sure they do, you would just have to look, I am not affiliated with them. Just looking at getting a frame and they sent the link to me

Dan S.

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #223 on: January 20, 2025, 02:56:37 AM »
My Seraph/ TanTan TT X 68 Build - Size 54 - Matte Black

Care to share a photo or two?  ;D

Cnasta

Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?
« Reply #224 on: January 20, 2025, 03:55:37 AM »
My Seraph/ TanTan TT X 68 Build - Size 54 - Matte Black

6.94kg - $2900ish all in. Weight is plus or minus 50gwith grease, and misc hardware not accounted for.
I acquired most of these parts used over the course of 4-5 months, via ebay and facebook. I learned about most of the build options, not named shimano, from this site or via youtube (GC Performance, Pat Lino, China Cycling, etc...). I also built this bike by myself, first time ever doing a frame-up build, and used GC's SL8 bike build and his other videos.

Frameset - $629 + $100 shipping. Took about 2 months to receive.
Frame w/ headset bearings, bottle cage bolts, fd mount, rd mount - 878g
Uncut Fork - 339g      Cut Fork - 309g (10mm spacer)
Uncut Seatpost w/ hardware - 166g      Seatpost Wedge - 20g
Thru Axles - 62g
Bar/ Stem 120/38 - 326g
Spacers and Covers - 15g
Garmin Mount - 28g (kinda sucks on first impression, will be looking for alternatives)
BSA30 BB - 88g
Aliexpress SL8 Direct Mount RD Hanger - 15g (saves 8g)

CRW 50/55 Wheelset - 1325g
MT900 160/140 Rotors - 187g (pair)
Aliexpress Tubeless Valves - 11g (pair)
Sunshine Cassette 11-32 - 230g
Vittoria Corsa Pro Control Cream 28 Tubeless - 633g (should be 520g for the pair according to BRR.com)
Amazon CL Rings - 23g (pair)
Stans Sealant 40ml per tire - 60g

Shimano ST-R8170 - 399g
Shimano BR-R8170 - 300g (bolts, pads, calipers)
Shimano FD-R8150 - 112g
Shimano RD-R8150 - 250g
Shimano BT-DN300 - 52g
Di2 Cables - 16g
Sram Force 170, Quarq PM, 53/39 Chainrings - 753g (old sram powerglide chainrings)
KMC X12 Gold - 243g (uncut was 273g)
Brake Hoses - 35g (approximate. I subtracted the excess)

Aliexpress Carbon Bottle Cages - 48g (pair)
Ryet 3d Ultralight 143mm - 165g
Deda Tretaforo Bar Tape - 35g (40g uncut)
R8000 Ultegra Pedals - 248g

Future Weight Weenie Options:
HY Seatpost - 130g - $167 (saves 36g)
Avian Canary - 266g - $300 approximately (saves 60g)
BDOP 11-30 Cassette - 126g - $160 (saves 104g)
Xcadey/ Lexon 53/39 - 600g - $615 (saves 153g)
J&L Axles - 47g - $40(saves 15g)
Tofu Comtura Prima 28 Tires - 480g - $120 (saves 153g over current tires)
Wheels - 1150-1200g - $800 to infinity (plenty of options here)
Saddle - 100-130g - $40 to infinity (plenty of options here)

Thnx for the detailed listing. Could you share your height and maybe inner leg lenght?