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Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc! Anyone tried these new lightweight cassettes by ZTTO out? Seems like a competitor to the SROAD cassettes as all the cogs are steel but are hollowed out to save weight.
The main difference is that the aluminum spider seems to be attached with thicker and more robust arms, maybe fixing the cracking issue from long-term use of SROAD.

11-speed version: https://www.aliexpress.us/item/3256805693978065.html

12-speed version: https://www.aliexpress.us/item/3256805694312729.html
August 25, 2023, 06:08:43 PM 		8
Re: reccomend me 380mm non-intergrated aero handlebar Just realized I posted the same handlebar as your original post haha. Though to be fair I couldn't find anything else either.

The Carbon aero handlebar from Fasterway looks ideal, comes as narrow as 36cm, reviews say the internal finish is very clean (possibly used EPS molding?) with nice wide holes for internal routing. Even has space for a computer mount on the side of the stem. I'd go for it

https://www.aliexpress.us/item/3256804277788091.html
September 15, 2023, 02:52:58 PM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc!
Quote from: coffeebreak on September 18, 2023, 11:49:52 AM
One more "Avoid" category product. This design looks like someone at weight weenie took it upon themselves to save a few grams by grinding material needed for those grooves. Even the ones at bottom cog have been drilled. Insane.

To be fair, SRAM Red 11-speed cassettes are exactly the same design. If you think about it there is no need for a full row of grooves when you have a one piece spider, you are only riding one cog at a time. Plus, with sufficient lockring torque, most pedaling load is transmitted directly to the base of the freehub rather than on the splines. I have one-piece cassettes and they're easier to install/remove, and seem to reduce freehub bite compared to the loose cogs of Shimano.
September 18, 2023, 07:23:25 PM 		4
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc!
Quote from: kbernstein on September 22, 2023, 03:44:56 AM
Since the topic is about out front mounts.. My thinkrider hinge broke last month (but was overall good) and because I was too lazy to contact support I bought a rockbros mount (https://www.aliexpress.com/item/1005005305832809.html)
It's been horrible, incredibly wobbly, secure enough to ride but the GPS is loose and I'm afraid I might damage the quarterturn on the back. I've tried tightening more, less, swapping them but no luck. They sent me another one and it's the exact same. Support is advising me the mechanical equivalent of "Have you tried turning it off and back on?"
I know it's not my GPS because my old mount doesn't wobble at all (but I can't clamp it to my handlebars). I want to believe I'm doing something wrong with the assembly of the garmin chip into the bracket, has anyone ever had issues like this? Should I put locktite or similar? Surely they couldn't have sent me 2 faulty mounts in a row...

I'm 0/2 for Aliexpress mounts for my Wahoo... both of them had the issues out of the box. They somehow take a lot of resistance to twist in, but when locked, the computer wobbles with ~1mm of play. Very much like a chair whose legs are too short so it rocks diagonally. I'm starting to believe that the locking inserts that most sellers use are crap. I ended up going back to my KOM Cycling mount from Amazon, which was still relatively cheap and locks my computer smoothly with no play after 5000 miles of use.
September 22, 2023, 03:15:06 PM 		1
Re: Replica Factor Ostro VAM
Quote from: maza on September 27, 2023, 04:58:34 PM
Compression plug doesn't hold any stress while riding. Your handlebar is clamped to the steerer and keeps everything together. Compression plug and top cap function only to set correct tightness for headset.

What. The compression plug is ESSENTIAL at all times. Yes, the top cap is solely for preload, but the plug supports the clamping force of the stem, preventing the carbon steerer tube from being crushed, snapping, and causing an accident.

Bianchi Fork Failure:
September 27, 2023, 05:37:02 PM 		1
Re: Mechanical flat mount brakes Hybrid-hydraulic calipers are pretty reliable. From what I've seen in this thread http://chinertown.com/index.php/topic,3333.30.html and Trace Velo's videos, the ZRACE BR-005 cable-actuated hydraulics are more than adequate and affordable at about 60 dollars a pair. A more pricey but well-proven option are Juintech F1s.

TRP Spyres are the go-to for fully mechanical. I'd think you'd be better off buying used than going for a Chiner knock-off of those.
September 29, 2023, 03:04:11 PM 		1
Re: Racework 3D30 Ultralight Crankset
Quote from: Dark17 on October 06, 2023, 11:40:52 PM
I am really confused now, I thought new gen Shimano 105's construction is 2 alloy that was forged together by glue?

BTW how is the performance of cranksets such as the one that I posted? I generally don't mind the chainrings as I can get them easily and replace them with better quality ones. I am thinking about the stiffness generally

105 has never been glued - even the newest Shimano 105 12-speed crankset is still hollow forged. Only Ultegra (6800/R8000/R8100) and Dura-Ace (9000/R9100/R9200) are glued.

Can't personally comment on stiffness but Hambini has said that having a cut-out section on the back of the crank arms is less stiff than a hollow design (like Shimano or Rotor). Not sure if it's a noticeable difference in practice.
October 07, 2023, 12:16:38 AM 		1
Re: Best and worst overall quality/value components/tools/gear from AliExpress? I want to throw out that TPU tubes have one major downside - they are NOT patchable long-term. Despite meticulous cleaning and application, every glueless TPU patch has failed on me after a few days or weeks at best.
Ridenow and Cyclami TPU tubes are still good value, but if you puncture, treat patches a temporary fix to get home and be prepared to throw the tubes out eventually.
I'm cheap and don't like being wasteful, so I switched back to butyl tubes for training rides which I can patch over and over again. I still use TPU tubes for racing and as a spare.

Other Aliexpress items I can definitely recommend:
- $18 2x Carbon bottle cages (Bontrager XXX knockoffs)
- $24 Elita One carbon saddle (the Specialized Power knockoff one)
- $425 Elitewheels carbon rim brake wheels with Powerway R13 hubs and Pillar Wing 20 spokes, 47mm deep and 27mm wide, 1500g. Used for ~3800 miles and no issues except having to retrue each wheel once. No issues braking even on 3000ft+ descents.
- $20 Magene H303 heart rate monitor with chest strap
- $8 2x CYCPLUS Cadence/Speed dual sensors. Yes I got two of them for $8.
- $20-30 Spexcel Jerseys and Bibs

Steer clear from these:
- Kactus Titanium QR skewers. I don't know what Trace Velo was thinking, these are awful. Lots of friction, loose rattling fit on the threads for the nut, extremely sharp edges on the lever that make it impossible to close the lever with any force. Just completely unusable.
- Cheap unbranded stems. The one I got had paint overspray in the clamping areas and screw holes which was a pain to get rid of. The screw holes faces on the faceplate weren't flat and could cause a stress raiser if I torqued the bolts up, so I had to use a faceplate from a different stem I had. Not worth cutting every dollar for an important part of your bike - stick to Kalloy/UNO alloy stems with lots of reviews or western brands.
October 15, 2023, 03:42:08 PM 		2