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Re: Carbonda FM909 Let's get this party started
February 19, 2022, 06:35:48 AM 		1
Re: Carbonda fm936 Thoughts Meet another one red carbonda 8)
Thank you for all your posts!
February 22, 2022, 04:46:59 AM 		1
Re: Carbonda fm936 Thoughts This bike is a
February 22, 2022, 07:55:47 AM 		1
Re: Carbonda fm936 Thoughts Want to show you probably the most cost effective build in this epic thread - sub $2150 and sub 11.9 kg.
I was building it as do-it-all bike (for a guy with xc background), staying on budget but without major compromises in performance. Most parts were new, some second hand and some were taken from my spare parts box.

Specs (without some minor parts):
frame: Carbonda FM936, L, BSA73, matte black
shock: SR Suntour Unair LO-R8 165x40
fork:   Manitou Markhor boost 120mm
wheels: Duroc 30 rims + ARC hubs + Sapim D-Light
tyres: Nobby Nic 2.35 + Rocket Ron 2.25
cranks: Descendant 6K DUB 170mm
chainring: 32T 3mm offset
bottom bracket: Sram DUB-BSA
shifter: GX 12sp
chain: YBN S12 S2
cassette: Sroad 10-50T 12sp
derailleur: SLX RD-M7100
dropper: Brand-X 150mm
dropper lever: ZTTO
saddle: Chineese carbon
brakes: Formula RX
rotors: Toopre 180F 160R
pedals: CrankBros Candy X
handlebar: low-riser 720x9
grips: Chineese silicone
barends: Meroca
stem: 35mm
bottle cage: "Bontrager" carbon
March 22, 2022, 03:20:25 AM 		1
Re: Carbonda fm936 Thoughts Yesterday I've make a first test ride on our local winter xc track. I've set sags - both front and rear at home, so outside at temperature below zero degrees Celsius I suppose they became pretty close to enduro bike settings :) Despite this I was surprised by suspension feel: no exceeded bobbing, both front and rear felt quite sensitive at the beginning of travel and rather supportive from middle stroke. Traction at the rear was enough for most of icy climb sections even without spiked tyres.
March 28, 2022, 05:58:54 AM 		1
Re: Carbonda fm936 Thoughts Any news of my 936.
In use and abuse since august 2019, the main pivot become a bit loose probably due to tired bearings.
During maintenance there was also a very little play between rocker arm and frame.

After change in static it seems to be back to normal, not tested yet.

I think more than 2 years with the factory bearings is not that bad, none of them was seized by the way but you must consider i avoid riding too much in bad conditions.
April 01, 2022, 08:51:00 AM 		1
Re: Carbonda FM909 My bike is ready :)
April 16, 2022, 10:09:13 AM 		1
Re: Chinese carbon MTB cranks Sram force crankset also the same weight with a bit more expensive.
June 10, 2022, 09:55:12 AM 		1
Re: Carbonda FM909 Hi there,

Last sunday, I became Dutch Champion XCO 50+ on this great bike ;D

My height and weight is 190cm and about 76kg.
Weight of the bike is about 11kg in XL.

Build specs:
XL frame,
RS SID Ultimate 120mm,
RS  SIDLuxe Ultimate RL 165x40,
RS twistlock,
RACEFACE Next carbon 720mm bar,
Newmen evolution sl 318.4 70mm stem,
S-Works Toupe saddle,
KS LEV carbon dropperpost 150mm drop,
SRAM GX Axs shifter,
SRAM GX Axs derailleur,
SRAM GX carbon crank,
SRAM Eagle sl 34t chainring,
SRAM XX1 10-50 casette,
SRAM XX1 chain,
Shimano XT M8100 brakes,
Shimano XT  180mm front and 160mm rear disc,
Shimano xtr pedals,
Vittoria Mezcal rear,
Vittoria Barzo front,
Selfmade wheels with funworks hubs, DT revolution spokes and carbon rims.

When the new RS twistloc is deliverable https://bikerumor.com/rockshox-twistloc-gen-2-remote/ I can use the whole hub of the shock. For now its ok with the 2 positions twistloc.

I use this bike as my xc competitionbike and trailbike, and it reacts great in this setup on steap trails and big jumps/ drops. Last week I rode this bike in bikepark La Plagne aswell. First I took out my endurobike Ican P9, 29er with 160mm travel, and after that on the same trails the Carbonda FM909, whitout problems and allmost the same speed.









July 27, 2022, 05:15:26 AM 		1
Re: Carbonda fm936 Thoughts
Quote from: zilcho on July 17, 2022, 07:15:35 PM
I'm on 120, 42.5, 170 cranks, something between 15-20% sag and get pedal strikes even when taking my time in technical rocky areas, its just part of having a bb this low while in chucky stuff. With only 42.5mm of travel, and the headtube angle relative to fork travel, I don't see any suspension changes having a meaningful impact on pedal strikes. Crank length, the terrain you ride, and pedaling style are the only things that will matter. One persons rock garden is another persons flowy singletrack. As others have mentioned, learning to ratchet and pick a good line in heavy rock sections can make a big difference but you're still going to hit any meaningful rocks if you try to pedal. Also, this is not unique to this frame, everyone I ride with on something with modern geo has this issue.

Thank you Zilcho, my sag was 20%+ I have set to more XC style 15% and the strikes are much less, also put more pressure on the shock going from 35% to 25%

And the bike is actually more comfortable on rocky stuff, seems running more sag on XC forks make the bike more harsh since its already in the part of the stroke that is more progressive.

This video explains well
July 27, 2022, 07:15:26 AM 		1