XC full suspension frame

[Tornado]

Want to replace my old bike from Carbon Speed, CS-FS29. Main reason because it is not boost, and max 34T chainring, also try to build under 10kg this time(this is 10,2kg).
I'm looking for a frame for XC maraton with full suspension(light as possible) and same geometri as Scott Spark RC 2017-2021. The problem is to find a frame that can fit a 36T chainring, almost everyone have 34T max.
I'd love to build the new design for Scott Spark 2022 from Lexon, but I want to wait for next generation when all the faults are solved(or is the new 2023 version good enought?).

The onlyone I have found is the old frame from Lexon, do you have some thoughts about this? :
https://www.aliexpress.com/item/1005004296485032.html?spm=a2g0o.detail.0.0.752e6325VDJFeI&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.291025.0&scm_id=1007.13339.291025.0&scm-url=1007.13339.291025.0&pvid=37c33821-53d3-4bfb-b911-8bf4f9c62b88&_t=gps-id:pcDetailBottomMoreThisSeller,scm-url:1007.13339.291025.0,pvid:37c33821-53d3-4bfb-b911-8bf4f9c62b88,tpp_buckets:668%232846%238116%232002&pdp_ext_f=%7B%22sku_id%22%3A%2212000028667834609%22%2C%22sceneId%22%3A%223339%22%7D&pdp_npi=2%40dis%21NOK%2111174.31%216145.87%21%21%21%21%21%402103309d16742201601122373eaee6%2112000028667834609%21rec

I see they have name "Lexon Myst Pro" and the "Titan race edition", are they identical?

Some other choices, are there other companies with a better reputation that sell the same frame?

[endo.alley]

Buy a Carbonda FM936 of FM909. Put whatever chainring on it you like. I won't tell anybody if you don't. Maybe need a chainring with a spacer to clear the chainstays. Maybe not.

[Tornado]

Buy a Carbonda FM936 of FM909. Put whatever chainring on it you like. I won't tell anybody if you don't. Maybe need a chainring with a spacer to clear the chainstays. Maybe not.

FM909 is wrong design, FM936 is promising
"Put whatever chainring on it you like. I won't tell anybody if you don't. Maybe need a chainring with a spacer to clear the chainstays. Maybe not." doesn't make any sense to me, "won't tell anybody"? I used 36T chainring with 0mm offset on my old bike, but the chainline will not be perfect any more...

[acedeuce802]

Keep in mind that the FM936 geometry is significantly different than previous gen Spark.  I do think the FM936 is the perfect marathon bike, but if you're after more traditional XC geo, then it's not it.  I've got an LCFS911 Spark copy, however it doesn't support over 34t chainring.  I'm switching to an FM936 this year though, longer and slacker without gaining any weight.  Have you considered a cassette with a 9t small cog rather than sticking with 36t chainring?

Lexon is hit or miss, but if they are a miss, you will have no support.  I got burned by them on a gravel frame that was horrible quality.  Their MTB frames do seem to get better reviews, maybe they come out of a different factory, but again if there's an issue, they will not accept responsibility and will not help.

[jannmayer]

FM909 is wrong design, FM936 is promising

What makes the FM936 better than the FM909? The geometry looks very similar but the FM936 has a very long seat tube in the larger sizes. Is the suspension design for the FM936 that much better?

[Tornado]

What makes the FM936 better than the FM909? The geometry looks very similar but the FM936 has a very long seat tube in the larger sizes. Is the suspension design for the FM936 that much better?

Probably not, but I just want the look of this suspension design

[Tornado]

Keep in mind that the FM936 geometry is significantly different than previous gen Spark.  I do think the FM936 is the perfect marathon bike, but if you're after more traditional XC geo, then it's not it.  I've got an LCFS911 Spark copy, however it doesn't support over 34t chainring.  I'm switching to an FM936 this year though, longer and slacker without gaining any weight.  Have you considered a cassette with a 9t small cog rather than sticking with 36t chainring?

Lexon is hit or miss, but if they are a miss, you will have no support.  I got burned by them on a gravel frame that was horrible quality.  Their MTB frames do seem to get better reviews, maybe they come out of a different factory, but again if there's an issue, they will not accept responsibility and will not help.

You are right, I had not studied the geometry enough. Maybe this is more like the new Spark, that's okey also. Think the cabel routing is a bit strange, what do you think about this?
I already have cassette changed to 9T, but still need the opportunity to use 36T chainring for marathon...

Is there another distributor that sell the frames Lexon uses?

[acedeuce802]

I actually just got done cabling my new FM936 last night, I like it overall.  I think it's better than the cables that go under the BB, like my old LCFS911.  The FM909 is completely hidden, where the cables exit rearward of the BB and go directly into the chainstay, but I've heard that some people had to disassemble the chainstay from the front triangle just to feed the cable through.  I had no troubles at all running cables on the FM936, so maybe it comes down to aesthetic preference.

I couldn't imagine needing anything higher than 34/9t.. that's on par with the gearing that Nino uses (38/10t). 34/9 gets you 32.5mph at 100rpm cadence, I couldn't imagine anyone (other than Nino lol) having the power to push faster than that, and if the downhill is steep enough you just shouldn't be pedaling.

[Eneen]

I think It's pretty unfair judging both Carbonda frames from two kinematics graphs and actually having none of those frames at home and riding them. One of 909 owners also has 936 and stated clearly that 909 eats bumps easier despite having "worse" graph.
909 has also about 0.5 deg steeper st angle giving better seat position with 120mm fork. It is also lighter, has lower top tube and two water bottles option without adapters.

[emu26]

You are right, I had not studied the geometry enough. Maybe this is more like the new Spark, that's okey also. Think the cabel routing is a bit strange, what do you think about this?
I already have cassette changed to 9T, but still need the opportunity to use 36T chainring for marathon...

Is there another distributor that sell the frames Lexon uses?

That is a far better routing design than the under BB that is more common.  I would take that hands down over the alternate. That design pushes the cable towards the frame when the suspension is compressed which means it doesn't pull the grommets out like the under BB design does. This also means it doesn't end up robbing slack from the derailleur end or the bar end. Zero chance of rock strikes which although rare  can happen with the under BB. 

I don't understand why more manufacturers don't run it like this.

[Arno Knell]

I also own both frames (936/909).
936 in dc configuration.
909 in xc marathon configuration.
Love both:-)
The 909 is a little bit more sensitive and playful.

[Tornado]

I couldn't imagine needing anything higher than 34/9t.. that's on par with the gearing that Nino uses (38/10t). 34/9 gets you 32.5mph at 100rpm cadence, I couldn't imagine anyone (other than Nino lol) having the power to push faster than that, and if the downhill is steep enough you just shouldn't be pedaling.

In marathon it is a lot of gravel riding in groups, maybe the courses are different in my country. The pro riders uses hybrid between gravelbikes and MTB on the fastest courses...
But anyway, I use 36T chainring and 9T cassette on my Scott RC(original) bike now, and love to have the same opportunity if I build a new bike.

Lexon have this opportunity on both Spirit and Titan, but I don't know if I dear to try the 2023 Spirit. And the Titan has to much head tube angel(69).

Is there someone that has any experience with the newest 2023 Spirit?

[Eneen]

IMHO even with 34T you will get quite low AS numbers, so no idea why do you want 36T or even 38T so badly with newer FS frame.
Old Scott Spark was designed with 2x in mind and has higher pivot point from what I see. New Orbea Oiz is optimized for larger front chainring AFAIK.
But I might be wrong ofc and there's always lockout possible.

[jannmayer]

I also own both frames (936/909).
936 in dc configuration.
909 in xc marathon configuration.
Love both:-)
The 909 is a little bit more sensitive and playful.

That's good feedback. I'm looking for something with 120 mm up front and I'm more interested in something that will be efficient for long rides. How do the 936 and 909 compare in terms of pedaling efficiency?


Having two bottles does make the 909 more appealing. It gets pretty warm out here....

[Arno Knell]

That's good feedback. I'm looking for something with 120 mm up front and I'm more interested in something that will be efficient for long rides. How do the 936 and 909 compare in terms of pedaling efficiency?


Having two bottles does make the 909 more appealing. It gets pretty warm out here....

Both pedaling efficiency are equal and perfect for long rides.
I built the 909 in xc (100/100mm) configuration 9,4kg including pedals and dropper post.
The 936 is my "light trail bike" (120/106mm) SID Ultimate / Deluxe Ultimate RCT (42,5mm stroke), Maxxis Dissector 2.4, 11,8 kg.
The new 120mm linkage for the 936 is ordered :-)
You can also built the 936 as an light xc bike.
My buddys 936 (100/100mm) weights also 9,4 kg without dropper post.
For your pretty warm region two bottles are advantogeous.
The 909 is also capable for 120mm forks.
Summarized: both frames are great!
Sorry for my poor english :-(