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Re: LEXON Road Carbon Crankset
Lexon is being irritating to deal with. The chainrings they sent with the order don't fit the spider.



 

Been trying to get someone at Lexon to deal with this for a week now and they just keep sending me a response of "can you try pressing it in?" after multiple explanations that they don't fit and I can't just 'press it in.'
There is legit interference in the fit, I'd have to file part of the chainring to get them to fit together. 
Chinese products are just getting more and more unappealing. They are moving their prices up to actual brand names but are often way more annoying to deal with.

If I was you I would just use a dremel or file and a little persuasion to make it fit.

December 09, 2024, 10:40:43 AM
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Re: LEXON Road Carbon Crankset Ok this thing is legit crap. Do not buy. 

The chainrings are awful, I had the issue of it not fitting, Lexon did nothing to help so I forced them together using the bolts to basically clamp them together, eventually they deformed the surfaces that were too tight to come together.

The bolts are cheap aluminum, they are marked 7075 but I don't trust that at all. They are terribly designed so there is no hex on both sides of the bolt, it is one hex head and the other has these slots, and the outside is knurled for a vise grip, but they instantly deformed when any load was applied, incredibly soft aluminum. I would not trust these bolts at all. The knurled surfaces are all marred. You need an enormous screwdriver to span the distance of the slots, these will quickly get chewed up if you remove them more than a couple times and then removing them will be a nightmare. 



The spindle length is ridiculous and requires over 1cm of spacers for a BB86.



The machining for the threads for the preload collar is terrible and 'facetted' more than actually round. It's very tight to move and feels awful. 

 

The chainring teeth are terribly profiled and suck the chain up in them.




December 13, 2024, 02:57:20 PM
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Re: LEXON Road Carbon Crankset I finally managed to fix the chain line issue on my setup. My BB is 90.5mm (BBRight). As others have pointed out with chainring issues, the same problem exists with the spider. The machining quality is poor - some tabs on the spider are 3.4mm thick, while others are 3.6mm. The spacers included are also the cheapest imaginable, and their thickness is inconsistent (not 1.5mm but 1.4mm or 1.6mm instead). I think the chain line problem comes from the spider’s incorrect depth.

I’m using Ultegra 11-speed, and to resolve the chain line issue, I had to add 3mm spacers to the drive side. However, this left no room for preload adjustment, and tightening the crank bolt added extra stress on the bearings. Additionally, with the 3mm spacers, the crank arms were no longer centered relative to the rear wheel. I figured that if I used 1.5mm spacers on the non-drive side and adjusted the preload ring by ~1.5mm, I could center the crank arms. While this helped, the chain line worsened, as the spider was pushing the chain too far in, causing it to rub against the inner plate of the front derailleur.

Here I realized the spider itself was the issue. After searching online, I found a replacement spider from Stone with similar dimensions but slightly less depth. I decided to take a chance and ordered it, and thankfully, it worked. The new spider had a ~1.5mm shallower depth, reducing the need for 3mm spacers to just 1.5mm, and I could finally use the preload ring. The chainring tabs on the Stone spider were also properly machined, with a uniform thickness of 3.5mm, similar to Shimano’s. I slightly adjusted front derailleur and everything looks okay for now, however I haven’t been able to properly test it outside yet, as it’s winter here.

Initially, I wanted to return the crankset. The seller contacted me, begging not to return it through AliExpress, as he’d lose money and the crankset would just be recycled somewhere at AliExpress's warehouse. He promised to cover all costs if I shipped it directly back to China. I asked him if he can provide any solutions and decided to give him a chance, but after two weeks of vague promises and no real solutions, I found my own fix and asked him to compensate me for the replacement spider. At first, he claimed it was too expensive and suggested splitting the cost 50/50, but eventually, he agreed to cover the full amount. However, it’s been nearly two weeks since then, and I still haven’t received any refund. Now I'm being simply ignored.

So, I DO NOT RECOMMEND buying this crankset unless you’re confident you can handle the issues yourself. The crank arms and spindle look good, the rest is bad, and if anything breaks, don’t expect much in terms of support. While I’ll probably keep the crankset, I’m still unsure about its reliability since I haven't tested it outside.

December 16, 2024, 07:03:40 AM
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Re: LEXON Road Carbon Crankset
But how do I know that I need more spacers? Or I have too many installed?
good bottom bracket should has manual and come to you with a few spacer. On manual everything is expanded. I ordered crank but not haven't installed yet. In attachment instruction from my manual.

January 03, 2025, 08:49:37 AM
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Re: LEXON Road Carbon Crankset Stone released a new spider 110BCD that you can get for $30 on Ali. It fits pretty well in comparison to the one that Lexon provides.
January 17, 2025, 09:24:56 AM
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Re: Xiamen Carbon Speed 10 years anniversary special promotion My D60CU-31 T1100 20/20H UD matt with 5.0mm carbon spokes are built and on their way

Peter has been a pleasure to deal with and all of my incessant questions about different options

Can’t wait to ride them!


April 26, 2025, 03:54:28 PM
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Re: Xiamen Carbon Speed 10 years anniversary special promotion
My D60CU-31 T1100 20/20H UD matt with 5.0mm carbon spokes are built and on their way

Peter has been a pleasure to deal with and all of my incessant questions about different options

Can’t wait to ride them!

How much were those if you don’t mind sharing.

April 26, 2025, 05:23:25 PM
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Re: New model DFS carbon crank for road bike ultralight Bicycle Crankset Ok i recieved my DFS carbon crank yesterday and they are a new player as some of us know to this forum

24mm Titanium  Spindle
165mm Crank -  coming in at the advertised 320g which is right on the nose!
13g for sundries etc: lockring, pedal washers, and shims (though I may only need one or no shims for install).

Shipping took as long as quoted, and everything was very well packed, so no issues there.

The only downside is there are no installation instructions. I reached out to the company, and it seems they’ve produced the crank but haven’t yet managed to create a manual, and they ae also in the process of locating to a new larger facility so I can understand if things are a little all over the place
Not ideal, as you either have to rely on your own knowledge or risk damaging the product. Carbon fiber products, in particular, need instructions due to their delicate nature and the need for specific torque settings. I was advised to use the Cybrei manual, as it’s essentially the same. No big surprise, as their cranks are fairly generic at this point.

Now, I just need to wait for the frame I ordered and see how the installation goes and how the cranks perform. But so far, I’m happy with the quality and finish. Overall, I’ve had good communication during the purchase process, and the quality of the products has been solid. I hope the company takes note of the feedback about the instructions, as that’s really the only thing left to address.


April 29, 2025, 07:57:56 AM
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Re: Xiamen Carbon Speed 2025 new carbon crankset
Peter's are for sure. I was in contact with him a month ago after I bought a frame from him and some wheels. I asked him to message me when they are available. I want to use a 1x with the R01 I bought.

165mm both 29mm DUB aluminum spindle and 24mm titanium spindle options would be available in May, orders accepted for now. And the chainrings too.
Chainrings spec.
Double rings:50-34/52-36/53-39/54-40
Single ring: 46/48/50/52/54/56/58

Next sizes would be 170mm and 155mm cranksets. We are making carbon sprider as well.

May 01, 2025, 06:44:54 AM
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Re: Xiamen Carbon Speed 2025 new carbon crankset
Could we get pics of the inner side? Curious what the shifting ramps look like
Will have to do that after May Day 5 days holiday

May 01, 2025, 09:18:13 AM
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