Author Topic: 29er XC Hardtail - Boost - Modern Geometry  (Read 20947 times)

Technic

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #60 on: December 31, 2022, 08:32:43 AM »
Any opinion of this frame of lexon?

https://a.aliexpress.com/_EGv7XJD

Larxxor

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #61 on: December 31, 2022, 08:50:28 AM »
Any opinion of this frame of lexon?

https://a.aliexpress.com/_EGv7XJD

I like geometry, except seatstay angle. Lexons are oddly small in sizes?

emu26

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #62 on: December 31, 2022, 04:30:19 PM »
I like geometry, except seatstay angle. Lexons are oddly small in sizes?

I have always thought so.

MTB-Addicted

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #63 on: January 02, 2023, 06:05:26 PM »
Any opinion of this frame of lexon?

https://a.aliexpress.com/_EGv7XJD

Design seems BMC Twostroke “inspired” but geometries are a bit “old school” - see head angle and seat angle while bb drop is very very low - if the numbers are correct.

Interesting the headset 52/52.

In few words, a mix of old and new.

Technic

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #64 on: January 04, 2023, 12:59:30 PM »
This frame is a lightcarbon 914


jannmayer

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #66 on: January 09, 2023, 08:53:40 AM »
It looks a bit like that BXT hardtail frame that came out a while back due to the kink in the seat stays. If I recall, at least one person had problems with cracks at the seat stay / seat tube junction on the BXT. I would worry about there here too because it is a light frame and that sort of design puts a lot more stress at that junction. The geometry looks good though.


I don't have any experience with spcycle.

dracoola13

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #67 on: January 10, 2023, 02:25:02 AM »
https://www.sp-cycle.com/spcycle-29er-carbon-mountain-bike-frame-bsa-148mm-boost-lightweight-hardtail-mtb-carbon-frame-29-p4299039.html

what do you think of this frame?
any feedback about SPcycle?

I have built bike with this frame (size M) for my girlfriend in september. I think it is the best downcountry hardtail frame at this moment - good reach numbers, good saddle position, perfect headtube angle (66.0 with 120 mm fork).


I have found only two problems:
1. Chainline must be 53 mm or wider. With smaller numbers chainring is rubbing chainstay. Checked with 32, 34 and 36-teeth chainrings on M8100 crankset (52 mm) and installed M8000-B (53.4 mm) without any problems.
2. Some calipers with 160mm rotors can not be fitted into the rear stays (M6000). But I haven't any problems with M8100 and M7100 with 180 mm.

Yesterday I have recieved the same frame for me and my friends building another two bikes with this frame. Chameleon painting is awesome.


MTB-Addicted

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #68 on: January 10, 2023, 03:35:00 PM »
Very nice!
Reach and stack a bit short but it is the only eastern front suspended frame with 67 head angle and 75 seat.
62mm bb drop is also fine.


nt5k

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #69 on: January 13, 2023, 11:18:14 AM »
I have built bike with this frame (size M) for my girlfriend in september. I think it is the best downcountry hardtail frame at this moment - good reach numbers, good saddle position, perfect headtube angle (66.0 with 120 mm fork).


I have found only two problems:
1. Chainline must be 53 mm or wider. With smaller numbers chainring is rubbing chainstay. Checked with 32, 34 and 36-teeth chainrings on M8100 crankset (52 mm) and installed M8000-B (53.4 mm) without any problems.
2. Some calipers with 160mm rotors can not be fitted into the rear stays (M6000). But I haven't any problems with M8100 and M7100 with 180 mm.

Yesterday I have recieved the same frame for me and my friends building another two bikes with this frame. Chameleon painting is awesome.



Looks good, I'm strongly considering this frame. Can I ask how tall is you GF? I'm 5'7, thinking the 17" (medium) should be good. Also, what do you think of the seat stay? Is this a compliance thing? It looks less strong then a straight stay.

Eneen

Re: 29er XC Hardtail - Boost - Modern Geometry
« Reply #70 on: January 15, 2023, 08:01:01 AM »
What's the weight of this frame?
Does it have ZS type headset so angleset can be installed?
« Last Edit: January 15, 2023, 08:08:20 AM by Eneen »