FM1001 / FM1156 - 135mm frame

[RedCruz]

Hi everyone,
today I received my 60mm Syntace stem to replace my 30mm stem and once installed the bike feels like a "real" medium.
The final specs published by Flybike/Carbonda may be a bit "odd" compared to what people would expect regarding S/M/L/XL but not by much. I'm no expert at mtb geometry but for example if I compare to a Santa Cruz Hightower medium, the numbers a relatively close. Yes the Top tube length of the FM1001/FM1156 is on the the short side i.e. 575mm vs 594mm for the hightower, but it's well within margins of adjustment.
In Canada, the real test will be next spring, when the trails are mtb ready, YeeHaa!

[RedCruz]

No one seems to be complaining about the Geo chart being off. The steeper head tube angle is a big minus to me.

As for Head tube angle, we have to remember it's a Trail bike, not a DH bike. I think 65.5 (66 by my measurement) is a very good compromise between descend stability and maneuverability for the rest. Enjoy!

[Flo7]

Hi I had to use 8x25.9mm + 2 washers to make it fits, but this way it fits perfect!

Carbonda told me 8x30mm?

I already ordered today, I’m very excited

[QuentinLL]

I already ordered today, I’m very excited

Which frame size ? How tall are you ? :-)

No one seems to be complaining about the Geo chart being off. The steeper head tube angle is a big minus to me.

If it is 66 instead of 65,5 it is a little minus for me as well, but there aren't other chiner options with more aggressive geometry, isn't it ?

[Flo7]

I ordered size Medium and I’m 170cm tall...

The HTA was measured with the phone, maybe there is the little difference to the 65.5 which Carbonda told?!

[Rat]

You can measure the head-tube angle by placing your phone on the fork stanchion, which is perpendicular to the steerer tube. Fork off-set won't be a factor to worry about, since it's measured at a 90 angle to the steering axis.

[QuentinLL]

Fork stanchion perpendicular to steering tube ?
You have a very strange bike 

fork offset has a little impact. 51mm is 65,5° (table of carbonda), 42mm is 65,3° head angle (calculated).
It is very weird that users measured > 66° head angle. Maybe 130mm fork and not 140mm ? 

[Rat]

Ha! ...parallel... 

[FlaMtnBkr]

...Is there somebody who already tried riding a 20mm stem on a long bike ? Do you think that it is completely stupid ?....

I know this is a bit old, but I saw it mentioned a couple times and there is no such thing as a 20mm stem! Except maybe the bolt on stems that are on double crown DH forks. I believe 35mm is the shortest stem using traditional bars and stem. When you have a 1 1/8" steer tube (28.6mm) and a 31.8mm handlebar diameter, even if they are touching each other with zero stem between them, thats 28.6+31.8=60.4mm ÷ 2 = 30.2mm center to center. Once you add a little bit of separation and some material for the clamps you're right around 35mm as the shortest possible unless you start notching the handlebar and/or the steerer to essentially get them to partially intersect each other and even then you're only going to knock off a few mm from the total

Anyways, I read that a couple times and the engineer in me couldn't not point it out...

[carbonazza]

Maybe an integrated stem + bar could be possible with 20mm, or even zero 

[RobertRinAustin]

Pacenti PDent comes in 20 mm.  Might be able to find an Azonic Hammer in 20 or 25 mm and there may be a few other odd ball options out there.

[QuentinLL]

Maybe an integrated stem + bar could be possible with 20mm, or even zero 

You are right, I have an integrated stemhandlebar 20mm ;-)

[Opadeira]

Leverage Ratio of the FM1001.
Source: Adam

[carbonazza]

You are right, I have an integrated stemhandlebar 20mm ;-)

Nice! The one on your picture with the sticker for your bike computer ?
Turn it around and go for an even more radical -20mm

[QuentinLL]

This one, 245g, 810mm width, backsweep 7°, upsweep 5°, 20mm stem.
There even make a 10mm stem bar :-)

https://fr.aliexpress.com/item/4001150474874.html?spm=a2g0s.9042311.0.0.27426c378GRFpY