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Re: Speeder SC-R48 Justin said it was fine. The Fork utilizes a carbon crown. I’ve since seen this on other bikes too..

I built it up this weekend. It wasn’t easy, but it was also my first time building one up from scratch.
At first I went in the frame with a camera but quickly realized I have no idea what I’m looking for so I just started. I was actually surprised how smooth the BB went in, I expected noises. Again, probably because I am used to BSA. Frame looked faultless , a bit a lacquer at the brakes but besides that I did not notice anything else.

Ended up at 7.75 kg with pedals, full 105, size 49.
Had some creaking from the seat post, tried to torque it to 5 NM or something like that (the clamp says 6NM) heard a crack. Well anyway, reapplied carbon paste and clamped it again. Haven’t heard the creaking afterwards (only a short ride).

During the ride I sometimes heard rattling , not sure if it’s from the di2 cable zip ties I installed that serve no purpose or if it was the cover plate on the downtube that was loose all of a sudden.

So the thing that is left for me now is:
How should I check if that crack is an issue? I don’t really see anything unusual.  I’m not sure if it really was the seat post because that thing is massive. I couldn’t even fit the di2 battery with the pro battery holder because the walls are so thick.
I’m also a bit unsure about the FSA COMPRESSOR they’ve supplied.
February 05, 2023, 09:49:29 AM 		1
Re: Speeder SC-R52D Similar here, we might live close by. A couple of rides outdoors and many on the turbo trainer. Weather has been extra cold and if not super cold, miserable.
One ride was on -4degrees, icy and not so fun, today windy and rainy but could enjoy the ride.
Regarding the frame, all good for the building, no issues with brakes alignment or bb.
My only complaints:
- I was expecting 100gr less on the frame weight. Still the whole bike is 7,150gr with pedals.
- Regarding internal cabling easy to do, but I find a bit anoying how easy the bike turns the handlebar to left or right while pushing it while walking or raising it. Not having cables makes it too easy to spin the handlebar. Riding it is perfect.
Pleasant bike. i am happy. No flex etc detected, bike feels normal stiff, but I am running tubeless tires at lower pressures so I assume this filters a bit all the road feeling as to point any difference with my previous bike (I am coming from a rim break Scott addict) Aero claims I cannot do, just by the looks, it has to be more efficient.
I did a few pics today.
February 05, 2023, 03:25:23 PM 		1
Re: Speeder SC-R52D 7,15kg nice! I tried to measure with cheap luggage analog scale, but was between 7.5kg /7.9kg... so not that accurate scale ::)
Will try to borrow a good digital scale soon.  But probably closer to 7.9 I guess.. (incl cages and pedals ofcourse  :))

I took some quick pictures in the sun! Tried to get the effect of the carbon... The carbon + sun really nice effect! 8)
February 08, 2023, 06:37:54 AM 		1
Re: Speeder SC-R52D Just finished my build using leftover parts from my 2021 Trek Checkpoint (I had a full GRX mechanical groupset and 50MM DT240 Farsports wheelset on-hand). Frameset took 3 months from payment date to get shipped and shipping itself took approximately 2 weeks to get delivered here in California. First build from the frame up, so hopefully I didn't make any egregious mistakes.

Build with a size 51 frame weighs 17.5lbs/7.9kg with Favero pedals, computer mount and bottle cages. Overall, I was impressed with the frame quality and the finishing was excellent (the BB/headset were pretty comparable to my Checkpoint's). I have 32MM GP5000s on mine which would be the max tire width I'd be comfortable running.
May 25, 2023, 02:29:53 AM 		1
Re: Speeder SC-R52D Hi guys,

Here is my R52D. After 3 months, the frame arrived well packaged, no missing parts. The finish, build quality and tolerances are great, BB and disc brake mounts are faced, head tube well finished, the paint job is excellent with no excess in the BB, disc mounts and head tube areas. No any particular problem during the build. The frame, seat post and handlebars have marble glossy finish, and look nicer than the pictures. The size is 510, handlebar 370|85. The frame feels stiff, the seat post has good flex and is comfortable. On the other hand, the handlebars are very uncomfortably stiff, may be because they are very narrow, 370 mm with short stem, or they are just stiff. I installed GP5000, 28 mm (real width of the tire is 29.4 mm), on 21 mm internal width rim and there is 3-4 mm clearance on the chain stays, the fork has bigger clearance.
My only complaint, it is not about the frame but rather about my handlebars choice. The handling is very very nervous. I have two another bike with 400 mm handlebars and 90 mm and 100 mm stems and the handling is very different. So, I was wondering, could the 30 mm shorter handlebars impact that much the handling? I'd like to ask the other frame owners how they feel the handling of their bikes.
May 26, 2023, 08:29:59 PM 		1
Yishunbike R1058-D Hi All,

I have pulled the trigger on pre-ordering this [/https://www.yishunbike.com/product/r1058-dperformance-road/] .

Melinda tells me it is still in development but that it has passed their quality test and will be dispatched in 3-4 months. It's 1070g for a 54cm so is pretty light, they advertise a lighter version at a claimed 900g for 54cm which would put it in roughly the same category as a seka exceed for a third of the price. However, Melinda tells me this version did not pass the QA tests and anyway requires a minimum order of 10 units, I expect this version to be available next year. It lists something called 'One-piece 3D latex mandrel' aswell as one-piece molding which I assume is how they will achieve the lower weight, this feels like a new technology and evolution from EPS? Anyone know anything about it?

Yishun say: 'The newest latex 3D mandrel monocoque technology improves the strength by up to 30% when using the same material due to the smoother inner wall without wrinkles inside.'


'700c Full Carbon Performance Road Bike Frameset

– One-piece monocoque moulding

– One-piece 3D latex mandrel

– Fully internal cable routing design

– Max Tire 700*30C

– Max Chainring 55-42T'

Looks-wise I think it resembles an SL7 with slightly more relaxed geometry. The resemblance is not surprising after reading on their website that 'The R&D product chief manager had worked as one of the product managers in the Specialized OEM frame factory for 6 years and gained experienced skills in designing and producing carbon frames.' I'm guessing this would be Ten Tech Composites?

They also say that they OEM for '-several well-known brands around the world, such as RIBBLE, BERRIA, MENDIZ, MAGEMO, BOTTCCHIA, DEROSA, and so on…' which is encouraging.

On paper this should be a great frame, however it's obviously a bit of a gamble and the first frames in particular may have issues however it appears like they have solid quality control and testing aswell as warranty. You can pay 20% more to get a 5 year warranty which is a nice touch assuming it will be honoured if something doesnt go to plan so I have opted for this option.

Standard version without handlebar and 5 year warranty: 718usd, shipping 185usd, there are also different charges for payment methods. 5% paypal charge and 30usd bank transfer charge. Will update along the way if anyone is interested.

Fingers crossed!

May 28, 2023, 03:49:27 AM 		1
Re: TanTan Seraph TT-X34, FM639 or FM619 It took a while but here we are...

The completed bike with FM639 frame from TanTan / Seraph:
- Custom metallic colour, looks better in real life
- Shimano 105 / Di2 with 50/34 - 10-34  2x12 speed drivetrain
- Elite SLT Disc wheels 40mm deep and 29mm wide
- Schwalbe One tubeless tires 30mm wide
- Mixed 6D saddle (might be changed...)
- SPD mountain bike double sided pedals
- Weight including garmin mount, pedals and bottle cages: 8.3kg

Built up by the new owner with a little help and tips from my side.
She is very happy with how the bike rides after the first short round.

Here the picture:


BR Chris
June 06, 2023, 05:03:20 AM 		1
Seraph Tan Tan FM639 - my build Hi there,

as you may have seen in my previous post, at the end of March I decided to order a Seraph FM639 in a custom color.

The decision was taken mainly for 3 reasons:
1) Geometry
2) I don't like aero nor dropped seatpost
3) and last but not least I have the Seraph GR029 since end of 2020 and I am very happy with it.

The communication with the seller was excellent and replies very prompt via Aliexpress messaging tool.
The color definition / translation is a bit different in chinese. I wanted a "Metallic" sparkling color finish, I realised they call it glossy finish. At the end the best is to go through their instagram or homepage pictures and send them a screenshoot of what you want.
The painting took a bit longer than expected but the seller was always quick in answering my questions about the status.

Finally last week the frame arrived and I started the buildup.
I ordered from them as well the integrated cockpit, seatpost with 0° setback that where included in the post, plus through axles, a garmin mount and a spare hanger.

I decided to go with a Shimano 105 di2 (12s - 50/34 - 11.34) groupset. The idea is to get a 11-36 when available, possibly a light version.

- Elite SLT Disc wheels 40mm deep and 29mm wide
- Schwalbe One tubeless tires 30mm wide
- Mixed 6D saddle (might be changed...)
- SPD mountain bike double sided pedals

The build went very smooth even for a "beginner" like me thanks to the help of my boyfriend. Only 1 point where I had to be a bit patient. First of all I ordered some Internal Housing Damper 6mm foam sleeve which I put on the rear hydraulic cable to avoid rattling at a later stage. The hydraulic cables are very sturdy and the most difficult part is the routing through the cockpit.
One point in favour is that the frame has some nice metal spacers where there is space at the front for the cables. The most important point is to pass the cable through the handlebar in the same end position. I did not in the first time and the cables tension would rotate the handlebar. Once rerouted the problem was gone.

The bike weighs 8.3kg with garmin mount, pedals and bottle cages in a size 56 frame. As from specification the frame has space for a 28mm tyre. As you can see from one of the pictures 30mm fit as well in this case, but not much space left.
It really rides well and feels quick  8) . The only things I will have to change are the saddle (the position is different compared to the old bike and does not work).
June 06, 2023, 05:45:10 AM 		1
Yoeleo R12 & SAT C50 PRO Wheels - Revamped and Refreshed So Yoeleo graciously sent me out their latest R12 frameset and 50mm Pro wheels to test and review. YouTube link is down below.

Frame - R12 (Refreshed/Revamped) - $1590
Size 56, Hemidium paint
Weight 1305g for the frame

Wheels - SAT C50|50 DB PRO - $899 usd
50mm depth, 27mm external, 21mm internal
YOELEO 230 SP Ratchet System Hub 52T (basically DT Swiss)

Initial Thoughts:
The packaging, presentation, and included hardware for the frameset is fantastic. Equally as good as when I purchased my Allez Sprint. UCI-approved (if that's important), flawless paint job, and no imperfections around the exposed carbon areas. No question the frame is on par with Winspace visually.

The Elephant in the Room - Customer Service
I've had meetings with Yoeleo and their marketing team where I told them I would not review or endorse their products moving forward until they resolve customer service issues for Western customers. Like SEKA, it seems for a while that Yeoleo were giving preferential treatment to their domestic audience. I've had personal friends of mine get burned by Yoeleo, after they made purchases solely from my video reviews. Back in 2021-early 2022 Yoeleo were quoting people 1 month for fulfillments, which ended in customers doing CC chargebacks after 8-9 months of no frame. The good news is I've spoken to recent customers who tell me Yoeleo is back to their days of good service as they were back in 2020 when I first built my R9. Fast to respond to customers and they actually have a full stock of the R12s.

$1590 isn't cheap, but you're getting Winspace-tier perceived quality. And their latest G21 gravel bike is freakin awesome. I'll report back my bike build progresses. I have to finish building this before my Tan Tan x38 frame arrives

YouTube Keyword Search: Yoeleo R12 Unboxing and Overview - The Return To Greatness?
June 12, 2023, 07:27:51 PM 		1
Re: Yoeleo R12 & SAT C50 PRO Wheels - Revamped and Refreshed Just to add one more data point to this conversation; I got my R12 at the end of last year and it's been a flurry of issues with it since then:
  • They didn't include a cable stop for mechanical front derailleurs, which they later shipped and delayed my build
  • The handlebar/stem was failing to secure properly to the steerer tube which caused it to loosen up while riding (Scary sh*t!). I've built quite a few bikes and I was pretty confident that this wasn't human error, I later took it to a shop and they confirmed it. It was a long back and forth with Yoeleo's customer support that took months! They kept sending small parts for me to try out like the compression plug, steerer tube adapter, and stem bolts which didn't fully fixed the issue, the handlebar still loosened up but not as frequently.
  • Since they were dragging their feet and refusing to replace the handlebar I had to take the loss and bought a handlebar from a different brand. I still had to buy an ST1 stem from them (which they offered at a slight discount   ::)) because the integrated cabling system doesn't play nicely with anything else
  • The bike works fine now which proves my point that there was an issue with that particular handlebar/stem. They still refuse to accept that.
  • I also discovered that the clamp that holds the saddle together was wearing out internally; The notches that help keep the saddle from rotating had all but disappeared. I asked them to send a replacement along with the other small parts they they were sending and they told me they would but they never did. When I confronted them about it, they blatantly lied and told me that they did ship it. At this point, I just gave up...

What a massive waste of time and money! I'm so profoundly disappointed because I had previously bought a couple of wheelsets from them and they are really good.
June 13, 2023, 02:28:55 PM 		1