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Re: Xiamen Carbon Speed 10 years anniversary special promotion Just a quick update on my order.

D50CU-33 w/new in-house straight through hubs & 5mm width carbon spokes are ready to ship. 

They look great in the picture and the weight is impressive.

Thanks all for your help and of course to Peter for being so patient and helpful with me as well as for making these wheels available.
January 12, 2025, 06:09:20 PM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion 24mm internal width 50mm and 60mm depths rims would be available early April.
March 15, 2025, 07:38:27 AM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion
Quote from: notnow on March 16, 2025, 08:47:48 PM
weight on those?
T1100 version UD paintless finish
50-31 : 375+/-10g
60-31: 420+/-10g
March 16, 2025, 10:16:28 PM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion I just received a pair of 28mm carbon wheels from Carbon Speed last week. I have just finished installing the tire and rotors on. Overall I am quite happy with the purchase. 

1. lead time: from the time I placed the order to the wheelset arrived at my doorstep took 12 days. I live in California, US. This is super fast considering it took them more than a week to custom build the wheels.  I ordered by contacting Peter Xu through WhatsApp. He was very prompt and accommodating.
2. package: the wheels are well packed. no complaints.
2. Weight: the claimed weight was 1330g and the actual measured weight was 1268g --- 62 gram lighter than claimed!
3. The quality: the wheels seem to be well made. their inhouse hub sounds great. Actually I think it sounds louder and better than the DT350 hub.


March 23, 2025, 05:08:14 AM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion I ordered:
- D50CU-28 (21mm inner and 28mm outer width) T1100 rims 24/24H UD matt 50mm
- Pillar wing 20 spokes
- Pillar aluminum nipples

shipping today, thanks to Peter !!!
March 24, 2025, 03:34:28 AM 		1
Re: Winspace T1550
Quote from: Serge_K on March 30, 2025, 02:51:01 PM
One of the van rysel guys mentioned that during an interview i saw on youtube. GCN one, from memory.
40/60 i think is T or M. So i think T40 is M40 or 40M. It's all quite confusing and few people really know the ins and outs of the topic, i think - and certainly not me. T in T800 is for Toray. I think the M is for Mitsubishi. But i think Mitsubishi is making Toray fibers. I understand 40T and 30T is similar to T800 and T700. But more expensive and better performance. So 60T is probably like T1000.
Anyhow, it's apparently what expensive frames are made of (the high end stuff, like Factor, Sworks, Pinarello). Giant, Merida, Cube, Orbea, all these, afaik, use lower grade stuff, probably very similar to what our OEM frames have.
Also, does any of this really matter, or is it a flex? idk. But it's probably the tricks pulled to shave the last 50 or 100g off a frame, and it's probably why you have a jump in price, because T700 & T800 is everywhere, but T/M40/60 isn't.

I think Toray and Mitsubishi still have a JV that owns a plant in Jalisco, MX, but for the most part, they are different companies and do not supply each other. Toray isn't exactly a large company, but it isn't small and sells a lot of other textiles and plastics. However, the M65 / M46 designation is a Toray one, and the grades of Mitsubishi fibers are different, and they don't map to the Toray products.

https://www.toraycma.com/wp-content/uploads/Carbon-Fiber-Selector-Guide.pdf

The basics of this is that within a specific price point, there is usually a tradeoff between tensile strength and modulus or strength and stiffness. And the prices go up relatively quickly as yields go down for higher grades of fibers. While mixing in different fibers undoubtedly raises costs, you can see in the spec sheet that using those different materials gives the designers greater freedom to make the bike stiffer in certain places vs. just using differing amounts of materials. I don't know how much of the difference in frame tuning is due to materials alone or simply a result of spending the time and expense to tune the frame. I like to see a mix of an intermediate (e.g., T800 or T100) and hi-mod fiber (e.g., M40J) because process and attention make a difference. It's not quite like this, but t800+m40j offers a slightly wider design space than even something like t800+t1100 in terms of stiffness, though the frame would be heavier.

Specific to the Winspace frames, I would guess that the 2nd gen 1550 is a step up from the 1st gen in terms of layup complexity, but the SL3 is yet another step up.
March 30, 2025, 04:08:07 PM 		1
Re: Considering Winspace SLC3, any thoughts? I have about 4k km on mine and it is an all round great bike. I don't know what I would want more out of a roadbike.
I did the built myself and let me tell you, the build quality is top notch, nothing to complain about. E.g.cable routing through the fork was a breeze and the BB shell I right on the money. I did not want to faff around with shitty tolerances, so the slightly higher price did not bother me at all, mind you, I got it on the black friday deal.
March 31, 2025, 08:12:12 AM 		1
Re: Considering Winspace SLC3, any thoughts?
Quote from: Dareios on March 31, 2025, 01:22:10 PM
Looks good, what size do you ride?

I ride a size medium (500), 105mm stem, 380mm bars. The frame geo fits me very well, but I also had a bike fit prior to purchase to get everything dialed. 174cm, 82cm inseam.
March 31, 2025, 02:17:18 PM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion
Quote from: twicecookedpork on April 04, 2025, 05:00:09 PM
Fuck Donald Trump

 Make shallow alloy wheels great again ?
April 05, 2025, 04:46:00 AM 		1
Re: Winspace T1550
Quote from: Blueberry on April 07, 2025, 07:33:15 AM
I typed out a page-long summary of my whole experience with Winspace that I shared with my credit card company when I filed a dispute. I can share it with you think it will be helpful.

I would consider publishing this in a clean thread with personal info sanitized, as a reference for others. It's daunting for most to file claims, to formally complain and so on, it's often scary. If they see how it's done, it can empower them not to simply be stepped on and pushed over. Often, people simply don't know their rights, and companies abuse that (and financial institutions).

Also, fuck winspace.
April 07, 2025, 08:41:15 AM 		1