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Re: Seka Exceed RDC Broken Frames: Source of Concern? Regarding Seka vs Elilee - just get whichever frame looks better to you and fits you better.
IMO, companyade aero tests are just marketing, same as UCI stickers. Elilee say that their frame is just slightly worse than Tarmac SL7, but which Tarmac SL7 did they compare to? Sworks with deep carbon wheel and aero bars or the cheapest SL7 eith regular handlebar and cheap alloy wheels? Difference in parts selection can be madsive (i.e. Specialized's own SL7 marketing where they claimed massive improvements, but forgot to mention that it was SL7 with carbon wheels vs SL6 with alloy wheels).

To me, Seka Exceed looks infinitely better and geometry of Exceed is slightly better IMO.

Although both frames aren't that great of value when Cervelo Soloist exists
February 20, 2024, 01:35:03 AM 		1
Re: Goldix 21-spoke 2:1 spoke ratio disc hubs I think it will ultimately depend on your size and how much power you can put out. I don't really buy the idea that only one side of the hub has to transmit torque from the cassette or brake disc since the hub is rigid.


Why would radial spoke be OK on the brake side of the rear wheel? You can put similar amounts of torque with the rear brake as with the drivetrain.
February 22, 2024, 12:55:25 AM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! https://www.aliexpress.us/item/3256806145655398.html

There looks to be a few new styles of centerlock disc rotors. This link is for the Bucklos brand, but I've seen similar variations under ZRace, Mana, Ryet, etc. brand names.
February 22, 2024, 11:13:30 AM 		1
Re: Goldix 21-spoke 2:1 spoke ratio disc hubs
Quote from: dsveddy on February 20, 2024, 06:22:28 PM
Hi all,

I've found some centerlock hubs by Goldix on AliEx designed for 21-spokes and 2:1 lacing patterns, that is 14 crossed spokes on rear drive-side and 7 radial spokes on the rear non-drive-side, and 14 crossed spokes on the front non-drive (disc) side and 7 radial on the drive-side:

https://www.aliexpress.us/item/3256805026812998

https://www.aliexpress.us/item/3256805132784998

These are the same lacing principle as Campagnolo G3 or Fulcrum's wheels, which is designed to even spoke tensions across drive and non-drive sides. It appeals to me, because in my mind I think it means I can get away with fewer spokes and have just as strong of a wheel. Also, when I spec these hubs with Pilar wing 20s and high-spec Deerobust rims, I get STUPID light weight predictions, like under 1350g for 55mm rim, or under 1300g for a 50mm rim.

The questions I want to field here:

Do people think these should be laced as a 3x or 2x pattern on the crossed sides? When I model it up in solidworks (embarrassingly, I found this easier than calculating the spoke lengths), the spokes come out of the hubs straigtest when laced 3x.

Do we think there is anything dangerous about going to 21 steel spokes, on say, a 50 or 55mm rim? I see that campag runs 24 spokes on their WTO rims, and I'm wondering if that's because 21 spokes is simply not going to be stiff. I want to hear your thoughts.

Thanks in advance for your advice.

Your links don't work on my smartphone and i must admit i am too lazy to copy the article numbers.
I guess the Goldix hubs you mention are straight pull. So you are not even free to choose.
They are 3x crossed on the 14 spokes side. I don't know how you do the solid works but give you a hint: have a very precise look on where the straight pull flange positions are, because this will create such a big error in the calculation, that you need to buy new spokes....
February 23, 2024, 04:40:00 PM 		1
Re: Airwolf YFR068 - 2023 Gravel Frame Useful information if somebody wants to install a direct mount hanger. Asked Airwolf about, but they only had normal hanger. The hanger looked really similar to Specialized discs model. I bought a specialized direct mount hanger, exactly same dimensions and works perfectly.
February 27, 2024, 04:42:29 AM 		1
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D) Am I late, or did LC finally and officially offer up the LCR017-D on their website now?

https://www.lightcarbon.com/lightcarbon-super-light-disc-brake-road-carbon-frameset-with-integrated-handlebar_p240.html

This frame is still in my radar but I'd have to donor everything off my Yishun R086-D frameset. While I don't absolutely love the look of the R086-D, I can't imagine the riding dynamics are significantly different from the LCR017-D. Then again, super light version and custom paint are enticing. And obviously I already have compatible handlebars, stem, and headset bearings.

EDIT: Also comes with threaded T47 versus BB86 pressfit. Such a well proportioned looking frame.
February 27, 2024, 09:13:42 AM 		1
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Quote from: Ahodesu05 on March 06, 2024, 01:43:31 AM
It just so happens that the Taipei Bike Show is happening this weekend, and I will go check it out.  I know Longteng has a booth, and likely other Chinese OEMs as well.  I'll report back on anything interesting.  (Let me know if anyone has any specific requests or questions in my DMs ... but I won't take requests for Hambini hairdresser pics, sorry....)

Just got back from the Taipei Bike Show – today was B2B and not open to the public, sh*t!.  I was dying to get in, so I ran down the street to the 7/11 and printed out a bogus business card and got in lol…

Of the Chinese open mold manufacturers, I only saw LightCarbon and Longteng.  Velobuild didn’t attend.  (And I didn’t see a presence from other Chinertown favorites like Elitewheels, Ltwoo, Winspace, Magene, etc.)  But I did get to see the LC017 and the LT266 in person, and got some intel on a new LT301 that will be released in a few months:

LC017: yes the downtube is quite boxy, but in person it looks/feels a bit more rounded than what’s on their website.  And the seat tube is rounded, not at all like the seat tube shown on their website.  Here is a video that I took: https://imgur.com/a/PNHdhI5.  It’s a niiiiice looking frame.

Interestingly, I saw several high-end bikes at the show with similarly boxy down tubes with sharp edges, including the Giant TCR, a Bianchi, a Bianchi Raparto Corse, and a Java Volata that won a gold award at the show: https://imgur.com/a/NEb8cpZ.  I talked to one of the bike designers and asked them about the design choice, and he said that they use less materials to keep the bike light weight, and squares are stronger than curved shapes.  In other words, for an all-arounder, they sacrificed certain aero gains in favor of weight savings.  I’m not engineer so I have no idea if this is true, I’m just relaying what one of the bike designers at the show said to me.

LT266: from my amateur eyes, this looks like a really well-made frame.  Alisa from Longteng was at the show, and she told me that it’s made from a one piece monocoque mold, so they can achieve a higher degree of uniformity and quality control.  The tubes are more rounded than the LC017.  Interestingly, she told me that they are testing an unannounced frame, the LT301, I’m posting the geometry and a short video here: https://imgur.com/a/XvH327j.  It looks to have a more aero profile than the LT266 and LC017 but still weighs under 1000g.  Alisa said they just finished testing the 54cm frame, and are going through tests for the other sizes – it will be a few months before they start selling it, although if anyone wants a 54, it’s available if you contact Alisa directly.  (OT: I asked which brands Longteng acts as OEM for, the only thing I could get out of Alisa was that they make a few frames for Argon.)

Does this help with my bike choice?  I probably will go with one of these and not the Velobuild frames, since I’ve seen and touched them in person.  Between the LC017 and LT266?  I have no idea….

That’s all I have, cheers.
March 07, 2024, 01:25:48 AM 		1
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Quote from: Ahodesu05 on March 07, 2024, 01:25:48 AM
Just got back from the Taipei Bike Show

You're a hero. Well done and thank you. Alisa is my sales rep at LT. That LT301 looks a LOT like the LT268 that I have, to the point that beyond the frame box, i'm not sure what's different. Weight i guess? Maybe manufacturing process?

The whole "squares are stronger than tubes" sounds wrong. And those boxy tubes look like buses, and buses aren't aerodynamic. Weird. Aero frames always were about tear drop shapes with the tail cut out. Not a box exposed to the wind...

Velobuild is a broker. Light Carbon & Long Teng are factories.

Awesome to learn that LT makes Argon frames, that just upped my bragging rights.
March 07, 2024, 10:05:28 AM 		1
Re: Goldix 21-spoke 2:1 spoke ratio disc hubs Good luck.  Would like to hear your review of them once have one built up.   
March 07, 2024, 07:39:32 PM 		1
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Quote from: BalticSea on March 08, 2024, 05:04:17 AM
Unless the bike is dedicated aero bike, square-ish down tube is fine. Cannondale SuperSix Evo 4 has square downtube as well, yet with Cannondale's own 50mm wheels and 2 piece handlebar it is on par or better with quite a few dedicated aero bikes.

The downtube on the supersix evo4 is nowhere near as wide or square as the one on the LC-17.  The front facing leading edge of the cannondale supersix evo 4 is rounded and narrower than the backside of the downtube which is squared off which is the opposite of the LC17.  It baffles the mind why the lc17 was designed that way.
March 08, 2024, 08:44:00 AM 		1