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Re: Lightest Hub and Rims! if you are sub 90kg the light bicycle AR25s are going to be the lightest.  there are also some Fiber In rims that are sub 300g with no weight limit.  as for hubs, extralite, Tune DT Swiss 180 are probably the lightest.  however, novatec 411/412 are super light and affordable, venfort makes a super light DT 180/240 clones that are way cheaper than the other. 
For spokes, pilar 1420 DT swiss aerolight are the lightest.  if you have the $$ then Berd or Pi Rope will save you another 100g over the Pilar/DT Swiss options. 

I hvae the novatec/fiber in combo and they are sub 1100g. 
August 30, 2023, 08:29:48 PM 		1
Niu Ju Computer Mounts Hey all, I wanted to share a product I recently purchased. I have heard of these mounts and that they had potentially been whitelabeled under a different brand. It took a lot of searching to find these, and I ended up at the TorqueNiuJu Bike store on Taobao, a place i had heard mentioned on other forum. I dont know if thats true that others resell these mounts.

I cant yet vouch for the durability of the mount, but i don’t foresee any issues. What I can say is that these mounts are very, very impressive in terms of the machining. Not quite K Edge quality, as looking really carefully I found a spot where the CNC was either stopped to cool down of was repositioned before the pass was complete, but its a minor thing.

They are not cheap (~$25 or 188 RMB + International shipping if you arent in China) and can only be found on Taobao. However, for the quality of the machining these are a very good value.

I went through the trouble of purchasing it directly and using Taobao’s international shipping service, but using a forwarder like Superbuy is probably the way to go for most people, though I have never used that specific service.

Keep in mind these are stem specific. The one I bought is 24mm spacing to fit the Kalloy Uno. Its the Giant Type A option.

Gallery is here: https://imgur.com/a/5CcmhiS

Taobao link: https://item.taobao.com/item.htm?spm=a1z09.2.0.0.317b2e8dWThZ1S&id=610261725473&_u=d20gcba5cefa0e

Hope this is useful for someone!
October 12, 2023, 10:30:25 PM 		1
Re: Best and worst overall quality/value components/tools/gear from AliExpress? fake G8 insoles

i havent tried authentic g8 insoles but these are cheap as chips and work well for me. ive been using them for over a year

The real ones cost over $100 iirc

plenty of youtube videos teaching about the benefits and how to use them

https://www.aliexpress.us/item/3256805604633625.html?channel=facebook&fbclid=IwAR39Kd1LtDdXYhtfLicUDkvbcLqwPc6I8EZEDhP2lRlnqxNvuhlzFylLfmU
January 02, 2024, 02:32:24 AM 		1
Re: L-Twoo, Sensah or 105?
Quote from: Jet the Panda on February 25, 2024, 07:05:37 AM
Thanks a lot for your help guys.
I am going to forget about Chinese groupsets and just get 105 or slowly gather used Ultegra/105 to finish a bike in time for summer.I have no idea what a derailleur with a clutch mechanism is, do the shimano road derailleurs have this feature? I'm going to need to do some research. Why does going 1x require a bigger cassette? is it so that you can get a bigger range of gears?
The clutch is effectively a much stiffer spring in the rear derailleur to allow higher chain tension. Its useful for riding over rough terrain as it stops you chain slapping around so much. Shimano 105 does NOT have a clutch, only shimano GRX and MTB derailleurs do. You're better off looking up a youtube vid if you want more detail, will be much more intuitive.

Yes, to get a bigger range of gears, this is a big minefield and was the hardest decision when I built my first bike.

Example; 2x setup with 50-34 Crankser and 11-34 Cassette.
The easiest uphill gear is 34/34
The hardest downhill gear is 50/11

Example2; 1x setup with 40t Crankset and 11-34 Cassette.
The easiest uphill gear is 40/34
The hardest downhill gear is 40/11

In both extremes of the gear range you are more limited than the 2x setup. Therefore you have to compensate with a bigger cassette such as 11-50 which will be heavier but give you an easier uphill gear of 40/50. You are still limited in the hardest gear to the same 40/11 which is why you see most speed focused roadies opt for 2x.
February 25, 2024, 07:26:16 AM 		1
Re: L-Twoo, Sensah or 105?
Quote from: electrolux on February 25, 2024, 04:11:10 AM
Side note; I like the irony of chinertown convincing someone to buy shimano :D

Well, that is because we have all been there before, tried the cheap chinese groupset and found out the hard way that this is very false economy and you are better off getting Shimano or Sram.

My first groupset was the Sensah SRX Pro and after having spend days (literally days) getting everything to work and throwing money at it over and over, I for one have no interest of going that way again. My gravel bike now had GRX, my MTB SRAM X01 and both my road bike mechanical Ultegra.
If you shop around you can get those components new or as new for not much more than those Chinese groupsets. Setup is a lot easier and everything just works without having to spend entire weekends to get your brakes to work or the derailleur to shift.
February 25, 2024, 09:58:33 AM 		1
Re: L-Twoo, Sensah or 105? 2x11 speed Shimano groupsets are plenty on 2ndhand sites these days... You can get Ultegra 2x11 for 400-500EUR. I bought 2 last year and both looked like new.

Prices for the groupsets new have also declined so if you don't need the latest and greatest you can build a nice bike with 105 of Ultegra for a nice price....
February 25, 2024, 12:47:44 PM 		1
Re: L-Twoo, Sensah or 105? You don't really need a clutch derailleur on a 1x road setup unless you're sporting a bigger road cassette. On one of my road bikes I used a 44t + 11-32t cassette on a 105 R7000 RD with no drop chain issues. I live in a hilly area and it was easy to climb with this setup. If I lived in the flats, I would have definitely gone with a 50t or bigger. Also using something like a 1x Pass Quest aero chainring has beefy chainring teeth. Just make sure to size your chain properly so it's fitted properly.

If you're used to rolling with a 52/17, something like a 52/11-28 or 11-32t will seem easy for you. If you want a lightweight, affordable 1x groupset option, I'd get an Ultegra RD, Sensah HRD hydraulic Team Pro carbon shifters (11 or 12 speed), a RiRo/Racework carbon crankset (the new version) and a Pass Quest aero chainring. I'd stick to an Ultegra cassette and chain if possible for best shifting.
February 26, 2024, 11:22:26 AM 		1
Re: Ali express disc brake pads, recommendations Pink Coomas https://www.aliexpress.us/item/3256803239934707.html

I think gold are better though.
April 03, 2024, 07:03:08 PM 		1