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Re: Yishun R086-D Aero Road
And the R086-D ist this modell:
https://prorace.be/bikes/aero/randa/


What are the other ones from prorace.be?
https://prorace.be/bikes/aero/fusion-x/ ?
https://prorace.be/bikes/lightweight/cura/ ?

https://prorace.be/bikes/tofla/ ? ( this one looks very good and sporty vor an endurance...?)

The Cura also has a different geometry than Yishun has on their own website. Curious to see if that also gets updated over time. For a long time I thought that the Flybike Carbonda stuff was a cut above the other available open molds, but the recent stuff on here from Yishun is really impressive and I am certainly following the 1058-d to see where it goes.

September 01, 2023, 12:23:57 PM
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Re: All-road / Aero-Gravel frame / Size 49-51 Technically this airwolf frame should meet your requirements:
https://airwolfcarbonbike.com/product/yfr068-2023-new-arrival-airwolf-a5-gravel-carbon-frame-with-handlebar-70040c-and-27-5er2-1inch-gravel-bike-frameset-thru-axle-14212mm-internal-cable-road-bicycle-frames-49-52-54-56-58cm/

However it’s a copy of the Cervelo Aspero 5, which tops out a 51mm with 4mm clearance. IMO you really want 6mm for offroad with a 54mm tire to really fit a 2.1" tire, and I doubt the Airwolf version is any different as they seem to have tried to copy everything including the flip chip and the C shaped steerer. Given current prices, I would consider getting the genuine non-integrated one from Cervelo as a starting point as the round steerer will give you some more cockpit options.

As far as big brand bikes go, i think the specialized crux will be close to what you want as well.

If you were to relax your requirements, particularly around chainstay length you would get more options.

The other thing to do would be to go custom and do a geometry like this. You would probably want to run 165mm cranks, but could get what you want and have enough clearance to run a 2x drivetrain. With a short head tube area, doubt you would be loosing much if any aero compared to an open mold frame.

(Edited for clarity)



September 04, 2023, 02:14:06 PM
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Re: Hang Lun tibicycle.com They have some cool tech around the use of cast Ti. Though they list a custom order section, whether or not they will sell you a frame as an individual is hit or miss as they are more focused on B2B.

It’s before my time, but I beleive they are the factory that made the Ti Airborne frames back in the day, as well as contemporary frames for some of the bigger names in boutique Ti. There is another factory that also makes frames for higher end frames that does do custom orders through XACD (you can contact them directly or an Alibaba).

Having looked at the prices multiple factories with the genuine intent of starting a Ti based road micro brand and done a sample frame from the latter factory, I will tell you that they offer an extensive menu of options if you know what to ask for and while you can save money if you have a design already in mind, the prices from companies like J Guillem, Bossi, Curve, Holdsworth, Serk etc. that sell Ti frames made from Chinese factories is fair for a company offering a design, customer support, etc.

I couldn’t do it substantially better than those guys already were.

September 09, 2023, 01:52:05 PM
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Re: LTWOO ER9 & ERX - Electronic groepsets
My take is that some of the criticism of Lwoo is unfair. Luke (trace Vello) admits that there was an issue with the trifox frame  where the FD hangar was moving. How sure is he that the FD did not sustain damage due to this? The other issue  is some persons are clearly purchasing  a beta version. At the time of their  purchase Ltwoo had not released hence it was not sold on their official page . Can  Ltwoo be blamed for persons who were part of its beta testing, turning around and selling the product they were to test?  There are simply too many variables, not being properly considered. I have 11 speed DI2 and I know there is an issue sometimes when you use the app, even after properly disconnecting, the gears won't shift. You cannot re-enter the app, because its now unable to see the device.. Took me awhile to figure out it still thinks its connected and I need to disconnect Bluetooth (Even Shimano released product has bugs)

I am pretty sure in terms of timeline GC performance bought his after Ltwoo had announced but before they started selling from their official store. There should be a reasonable expectation that the product would be up to snuff at that point and that Ltwoo would try and control the sale of test units. I know Sram and Shimano have also had test units resold; but the communication that those were test units and asking for them back are the difference between how the different companies handle the situation.

Sram and Shimano also get criticized when their groups are used with non official components or are attached to frames that violate their published frame fit specs, which is why documentation is really important. Shimano does a meh job of this, but Ltwoo's is nonexistent. Those things should also include install documentation on how to prevent / minimize damage from moving or adjusting the front mech.

Additionally, I do think there is something to the somewhat charged language and frustration around customers being used as beta testers by these Chinese brands. They absolutely need a culture shift around their engineering to better test and validate their products. Ltwoo is just the latest in a long line of these kinds of issues. Other recent examples include Craft Racing and Elite's Drive wheels. I think this is problem with how their engineers are trained, but it needs to change if you want to build something as complex as an electronic groupset and win in the market.

There is so much potential here to build groupsets that can have profiles to run nearly any modern cassette offering up an expanded choice of drivetrain components, particularly for the 1x ERG where you have simplified the problem down to rear shifting. I only wish that group had a battery that was easier to access as well as a kit to allow for the compatibility with the accessory powerline from an e-bike battery.

September 15, 2023, 12:05:02 PM
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Re: ODIN ZEUS one piece carbon stem I ran across these the other day as well. For some reason, I am seeing the Darimo ix2 as being diffferent across the range, but includes the hardware vs. Odin Zeus not including the hardware in their weights. so the Darimo stuff ends up being quite a bit lighter.

FWIW, weighed without hardware my 100mm -17 deg Kalloy Uno stem weighs 82g vs. 73g for the Odin Zeus. As others mentioned the Kalloy stems are 17.50USD + shipping and tax. You can then spend $12 on Ti hardware and be likely be within 5-6g of the whole thing for 1/3rd the cost.

September 28, 2023, 08:31:17 PM
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Re: Airwolf YFR068 - 2023 Gravel Frame I know I am new-ish around here and there is a lot more acceptance of replica frames here than in other places. However, I don't really understand the point of adding a UCI logo to non-approved frame unless the point was go beyond adding the Cervelo logo on the HT to convince people that this is a real Aspero 5 or convince a race judge that this is an approved frame for use somewhere.

In general, I love the idea and geometry of this frameset. It's too bad IMO that they copied the downsides of this frameset along side the good things. I would have loved to see an aggressive gravel race bike like this or an all-road bike that used a round tube steerer, 52mm bearings lower and upper and a t47BB, either an asymmetric one or a normal one.

October 05, 2023, 11:03:06 PM
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Re: Airwolf YFR068 - 2023 Gravel Frame
Bro chill out. Fuck UCI, this sticker means nothing even if it is original. It tells nothing about the quality of the frame, it's not like some iso certificate or something. In order to get it frame producer, just needs to pay to this greedy organization and the frame dimensions need to be within UCI rules. They don't care about the quality, just about their rules.

Anyway, gravel scene hates UCI and wants to stay away from this corrupt body as much as they can, so that's the bigger reason for not putting this sticker on the frame. But if the owner wants to do it? It is his choice mate, because this frame checks all to boxes of the rules. The manufacturer just did not pay the bribe. It's not like he is putting fake specialized, cervelo, trek sticker.

There is BOTH a Cervelo logo and a UCI logo on the frame now.

I love gravel and I have no love for the UCI.

What is the point of adding both BOTH logos on your own?

October 06, 2023, 11:06:53 AM
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Re: Airwolf YFR068 - 2023 Gravel Frame
Did not see the cervelo one. I would not put stickers like that on my own bike with all the custom options available. But I don't really care that the owner did, since it's his bike. You should also. So chill and stop being such a Karen, because you seem to be indignant af by this fact

Not sure what is getting under your skin so much, just asking a few questions to understand the mindset here.

I am totally cool with taking the elements of a good design and improving them. I think the patent / trademark system is pretty broken and abused. I am less cool with creating counterfeits with the intent to fool others and if you really believe in the big picture of wanting more brand diversity and more great open mold options, you should also care as counterfeits have historically competed against open mold frames for access to the western market via low volume resellers.

Nice to meet you Mr. Chill, I guess I am Karen.

October 06, 2023, 03:07:44 PM
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Re: Current Wheelset Offerings for Climbing I personally have been really interested in the GRO2 wheels / rims from Yuan An Composites. The complete wheels with the RD13 hubs are just outside your budget but at 1450g, 45mm deep and a modern 32mm wide they check a lot of boxes for me as an allrounder.
October 07, 2023, 11:42:07 PM
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Re: Current Wheelset Offerings for Climbing
This is the first I've heard of Yuan An Composites. Do they have a pretty good reputation?

I dont really know their relationship to Elite Wheels in terms of ownership but if you read carefully they are listed as the manufacturer for Elitewheels. Ive been on their email / sales list for a couple of years, but have always sourced rims from LB instead. MOQ varies by model, but GRO2 is currently listed a one set.

These rims are marketed with the similar process specs including the complete removal of the bladders and not needing to use a release agent as the higher end LB rims.

October 08, 2023, 10:37:21 AM
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