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Messages - kbernstein

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1
Component Deals & Selection / Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc!
« on: September 13, 2026, 12:51:20 PM »
Does anyone know of a 12 speed 11-40 cassette ? I swear i've seen one before and AI also says so but I can't find it anymore. 38 and 42 are fine too if these somehow exist but I hate the gap in the cassette market for 12 speed

2
Cyclocross Frames, Wheels & Components / Re: Lightcarbon LCR72 "aero racing gravel"
« on: September 13, 2026, 03:34:36 AM »
Quote from: Pharaohollie on September 09, 2026, 09:57:09 AM
I am mainly disappointed about the max tire rear clearance with 2x being 45mm. Seems like a step backwards. Their older gravel frameset LCG071 fit 50 with a front derailleur.

I ordered one early with the full intent of running 48.5mm WAM with a 2x. I will let you know how it works out because they seemed to be on the cautious side with their 45 claim so I have good hopes still. Also worth noting the 105 di2 may be bulkier but is apparently more outwards than latest r8100/r9200 FDs


3
Maintenance, Mechanics, & Tools / Re: 12 speed quick links
« on: September 06, 2026, 10:09:06 AM »
no 12 speed here, but i have a small box of both 10 and 11 speed quick links from riderace, you know the ones. i left one pair overnight by accident soaking in white vinegar while degreasing and the quick link literally disintegrated. the actual shimano chain is totally fine. i get you're not really supposed to do that but it still worries me somewhat, unless someone has a solid explanation it kind of erodes my trust in them despite thousands of km running them no problem

4
Cyclocross Frames, Wheels & Components / Re: Lightcarbon LCR72 "aero racing gravel"
« on: August 28, 2026, 10:19:03 AM »
Quote from: Grailstore on August 28, 2026, 09:32:41 AM
I’ve also seen this riser handlebar in a few YouTube videos, and I actually prefer the way it looks. Does anyone know what model it is?

HBR17

5
Maintenance, Mechanics, & Tools / Re: RRSkit di2 adapter charger kills battery?
« on: August 27, 2026, 10:30:27 AM »
Solved. Apparently using a good usb cable is a bad thing. Do not use a high performing cable because that triggers the BMS to shut down the battery. Using a low voltage cable worked perfectly fine. My apologies to rrskit for the many millions in damages my skepticism caused

6
Road Bike Frames, Wheels & Components / Re: Cassette 12speed with good shifting performance
« on: August 26, 2026, 02:17:41 AM »


this guy seems to know what he's talking about. i got the goldix recently but still waiting for the frame to test it

7
Maintenance, Mechanics, & Tools / RRSkit di2 adapter charger kills battery?
« on: August 25, 2026, 05:53:58 AM »
I picked up one of those usb c di2 charger adapters from RRSKIT, battery was at 40% something. After leaving it 30 minutes to charge on a known good USB A to C cable, the etube app asks if i want to connect to previously connected unit, and shows "there is no battery, or the battery does not have a sufficient charge. use a battery with sufficient charge, or charge and then reconnect the battery". RD button doesnt activate the LED at all

Any idea??

8
Component Deals & Selection / Re: Shimano di2 groupsets from aliexpress
« on: August 24, 2026, 01:19:44 PM »
Quote from: maxpet on August 24, 2026, 07:52:28 AM
Probably full 105 with Ultegra FD and aftermarket crankset/cassette

Mostly agreed. Personally I would also ditch shimano rotors as a priority.

Also worth noting: the old ultegra/new 105 FD is apparently more outwards, meaning despite being bulkier it can fit larger rear tires if it's a limitation

9
Component Deals & Selection / Re: Shimano di2 groupsets from aliexpress
« on: August 23, 2026, 01:53:18 AM »
Quote from: fat-tony on August 23, 2026, 01:00:02 AM
The R7150 RD+FD shifts exactly the same as R8150. The motors are the same.

nope. FD is completely reworked on r8100
RD is also one of the biggest weight loss parts on ultegra

10
Cyclocross Frames, Wheels & Components / Re: Lightcarbon LCR72 "aero racing gravel"
« on: August 18, 2026, 01:20:50 PM »
custom painting. its definitely a company wide decision. i understand they have a good reputation and can afford a price hike, but the lcr72 was already pretty expensive compared to their other frames. i paid 1100€ for it and already had doubts, but for close to 1400 i would not even have considered it

11
Component Deals & Selection / Re: Magene P515 PES Spider Powermeter
« on: August 17, 2026, 03:12:52 PM »
Quote from: amacal1 on August 17, 2026, 02:53:40 PM
Lmao. I am just coming to terms with this and realizing the crazy, crazy creaking I have is likely my Magene P515 crank. It was just a little creak last 2 weeks, but this weekend it was INSANE. I was avoiding taking it apart because I was nervous about running into an issue putting it back together. I am probably going to do it in the next couple of days.

But, also, I have a Geoid PM500 I just installed on another bike that I haven't finished. Oh boy. Creak city there, too?!

Yup, same here on the pm500. interfaces and screws all greased, torqued exactly to spec, shimano chainrings. more of a click than a squeak but annoying. not sure where to go next

12
Component Deals & Selection / Re: Geoid PM500 power meter
« on: August 16, 2026, 12:58:04 PM »
Quote from: zealot128 on July 28, 2026, 04:04:25 AM
Some update on my broken PM unit:

I had some contact back-and-forth via E-Mail (and Aliexpress Chat, to escalate more quickly) and had to make some videos "Please calibrate again" "Please calibrate again using a different device" etc.
After that, they agreed to send me a new unit, if a pay the delivery of about $10, which I did. (I should order another $10 item from their Aliexpress +3 EUR tax and instead the new PM arrived).
I only needed a new spider, but maybe their SKU system does not allow for that, so now, I have 2 alu cranksets 🤷🏻. But the new PM works again, lets see for how long!

One thing though: After installing it back together with the Shimano 105 chainrings (as my Passquest are on another crankset for testing carbon stuff), it is now squeaking like hell after 2 rides. I didn't invest too much time to find the exact issue for now (chainring bolts torqued), but instead I swapped to a newer carbon crank PM - the squeaking is gone, so it is indeed the combo of geoid/their alu crankset/shimano105-chainring together in my BB making the noises.

I had some massive squeaking on tiagra 4700 chainrings. I replaced them thinking it would stop (it was pretty close to toast too anyway) with ultegra r8100, lithium grease on the bolts and torqued to 14nm each and it still squeaks like crazy. Was I supposed to grease the plastic/aluminium interface too? Did you get it fixed?

13
Component Deals & Selection / Re: Chinese cycling clothes
« on: August 15, 2026, 01:11:17 AM »
Quote from: canadabike93 on August 14, 2026, 04:39:03 PM
Anyone tried this one?


I just found this on AliExpress:  | Cheji Men's Pro Team Aero Roadsuit Road
https://a.aliexpress.com/_mLIYrmn

Damn these look good, especially the teal ones, but what justifies the price difference between pads? Doesn't the most expensive pad cost only 10-15€?

14
Sales & Classifieds / Re: Ltwoo eGR v1 groupset $200 (USA)
« on: August 11, 2026, 10:06:43 AM »
Quote from: vito117 on August 11, 2026, 05:32:27 AM
Interested. Front deraileur?

it's a 1x groupset

15
Component Deals & Selection / Re: Chinese cycling clothes
« on: August 09, 2026, 02:21:50 AM »
I didn't even catch most of these for a while. I promise it looks good from a distance lol
Most chinese stuff is plagued with this garbage, but this one has such a perfect cut it will always be top of the pile regardless

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