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Re: WheelTop EDX OS Series Wireless MTB Drivetrain Wheeltop responded to my query of why they are no longer available on Aliexpress, or direct sale.

Where are you come from?We only sell them in select areas.

Best regards
wheeltop sales

I replied back stating USA.  They replied:

Sorry, we will contact you as soon as the sale starts in the United States.

Best regards
wheeltop sales

They must have been caught copying at least some part of a SRAM's system and had their hands slapped so that they can't export to a bunch of countries around the world. 

It is difficult for "we the consumers" when someone else improves upon a design that is patented and the patent holders intentionally do not improve the product because the company is milking the cow for all it is worth because a few companies own the market.

I hope Wheeltop filed patents for their innovative approach to having a rear derailleur that works with 7 speed through 13 speed cassettes.   Market threat to all the others who want to sell us rear derailleurs that only work for a given speed cassette. 



February 20, 2023, 11:41:01 AM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! I run lights all the time too, doesn't matter if its bright sunny 100 degree day or a typical cloudy Seattle freezing day. I actually have lights on the bike and a 2 in 1 light on helmet. Always be safe and do everything to be seen on the road.

As for those Zniino gravel handlebars, they have won me over. The clever design is really...clever. I mounted brake levers on those extensions and shifter is on the drops. Every control just fell right into place and felt natural. Did about 100 miles altogether and I am liking them a lot. I like the fact that in future I can swap my Deore groupset with a GRX without changing the bars.
February 24, 2023, 07:23:28 PM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! New version of the Elita One carbon seatpost available: https://www.aliexpress.us/item/2251832782375801.html?spm=a2g0o.order_list.order_list_main.22.21ef1802I9GlYy&gatewayAdapt=glo2usa&_randl_shipto=US

I ordered received one but have yet to install it. I currently use the old version on my 177 and I dig it. Getting carbon saddle rails in there can be kind of finicky, though. This new version seems to have fixed that.
Weather has been pretty crap and won't be better any time soon, probably won't be testing it for about another week but I'm sure it'll feel more or less the same. Highly recommend the Elita One if you're looking for a very lightweight, zero seatback 27.2 seatpost.
February 25, 2023, 01:12:38 AM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! Found a couple of interesting flex seatposts, which I don't recall being posted about before.

One appears to be an original design, and looks interesting and is very light.  It appears to be a distinct brand - VFV - Voice For Victory, which I can't find any info on.  Maybe the oracle (StiffWeenies) knows?

https://www.aliexpress.com/item/1005003779125812.html

The other is an Ergon/Canyon like construction.

https://www.aliexpress.com/item/1005005007764615.html
February 26, 2023, 03:23:58 PM 		1
Re: LTWOO RX hydro sets
Quote from: jonathanf2 on February 27, 2023, 02:52:56 PM


New Trace Velo covering the LTwoo 1x GRT hydraulic groupset. A bit concerning is that he crashed his bike and broke the left carbon shift lever. I've crash a bunch of times on my GRX 400 levers and they're still working strong. Maybe carbon isn't the best material for levers. I think I'll stick with my slightly heavier alloy drop shifters!

I think the fact that shimano levers rotate relieves alot of the impact in a crash. The big lever on ltwoo is rigid and can't move laterally. And yeah...riding the loose dirt in the center is always a bad idea.
February 27, 2023, 03:15:40 PM 		1
Re: LTWOO RX hydro sets
Quote from: jonathanf2 on February 27, 2023, 11:34:49 AM
How much does it weigh? 105 R7000 is like 220g. Does it weigh more than that? If that's the case, I'd probably just use Shimano components.

My R9 weighed in at 229. I think the RX quoted at 219, which I believe given that it's kitted with lighter parts like the B-hanger screw. I did the math on the system weight of the LTWOO RX vs Shimano 105 11s and the RX is supposedly ~50g lighter for brifters, derailleurs, and calipers.

Given what 11 speed 105 groupsets are going for, I would not pay more than $400 inc. shipping for the RX system. It also depends on availability, 105 group-sets typically force you to buy the crank, cassette, rotors, and chain in the bundle. By going with LTWOO, I was able to spec fancy rotors, power-meter crank, and cassette

It's a shame they don't sell the shifters separately. They are substantially lighter than Shimano 105. And I get the feeling that they are compatible with Shimano derailleurs since previous, identical-looking generations of the R9 were marketed as such.

In an ideal future, I would love to try: LTWOO shifters, |||PRO/ONIRII "XG" hope-knockoff calipers (96g), Shimano 105 front mech, Shimano ultegra/DA rear mech.
February 27, 2023, 03:22:23 PM 		1
Re: Racework carbon fiber crankset feedback thread Thanks for the info!  I've been looking at these because my Sram rival 1 crank is very heavy.  Sounds like a 1x with BSA threaded BB would be a safe option, so great writeup!
February 27, 2023, 09:23:18 PM 		1
Re: LTWOO RX hydro sets Update after tearing the RD apart and doing some milling

The BIG source of weight penalty in these 11S R9 RDs is the derailleur hanger screw, or "B-axle". It looks like a functional knockoff/copy of the shimano ultegra-6700-series B-axle. Anyways as I mentioned earlier, it's solid steel. Stock weight is 20 grams for the screw alone. Im sure the aluminum screw specced on the RX is half the weight.

I was able to drill out out about 5 grams alone from the B-axle by driving an m4.5 drillbit down the centerline.

I also dremeled/filed out that chunky hanger knuckle and put an m8 hole in the faceplate of the parallelogram. It only yielded about 5 grams. While it's satisfying to see it all milled out, I gotta say it was not worth the time, effort, or worry involved in doing something that extreme.

All in all I got the RD weight down from 229 to 220g, for $0.

If you really want to effectively tune these R9 derailleurs to match the RX, I'd say replacing the b-axle with with an aluminum shimano replacement, and cable screw with alu or titanium would get you 10 grams. I think that's going to run you about $20-30USD

At that point, I think you might as well go to the Shimano 11-speed ultegra r8000 rear derailleur, which has been confirmed as compatible with LTWOO shifters in the component news thread, weighs a nice ~198g and can be found for ~$90USD.

I've done the numbers on weight and cost of what I call "super-weenie R9": LTWOO R9 hydro brifters and FD, Ultegra RD, and ONIRII XR calipers. Estimated weight coming in at 1125 grams and $553 (after shipping) if you buy the R9 gruppo from the LTWOO official store and add on an ultegra RD and XR calipers. This is in fact lighter than Ultegra R8020's quoted weight of 1132 grams for the same parts. LTWOO brifters are about the same weight as ultegra, so all of that weight savings is coming from the XR calipers.

For comparison, an ultegra disc kit with chain, crank, brifters, derailleurs, and cassette are about $800-1000USD online. To match that for "Super-weenie R9", throw in a $100 S-ROAD cassette, $178 racework crankset, $55 YBN chain and you're at $886. So "super-weenie R9" is not exactly saving you money. It *does* make sense if you have specific needs. For example I want a crank-based power meter with 167.5mm arms, and all of these cheap ultegra groupsets come with non-meter cranks and 172.6mm arms. So if you factor the cost of having to shelve and replace the crank, then starting with a crankless LTWOO kit starts to make more sense. Similarly, the Ultegra cassette is about 30-40g heavier than an S-ROAD cassette.


Update: just wanted to make a note of something I found disappointing about the R9s: the plastic shift levers are rivted on. There is no replacing them. If you have a bad hard shift and break them, you have to replace the whole lever. Talk about garbage design.
February 28, 2023, 09:54:00 AM 		1
Re: Standert Bicycles (Berlin Brand) - Who Makes Them? Any Alternatives? Surly's are nice bike's but there's zero chance I'd use one has a race bike they are built like tanks.
February 28, 2023, 08:06:05 PM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! I am joining the club and went ahead and ordered one of these dropper bars to try out on a 29er hardtail build I am building.

https://www.aliexpress.us/item/3256804059388076.html?spm=a2g0o.order_list.order_list_main.15.21ef1802K2Nksi&gatewayAdapt=glo2usa&_randl_shipto=US
March 01, 2023, 10:13:56 AM 		1