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Re: Carbonda fm936 Thoughts
Quote from: Vipassana on July 29, 2020, 11:50:04 AM
If I do go through with this build, I would like to go ultralight (were it makes sense to do so from a cost/robustness standpoint).  Here is my initial thoughts on a built list.  Any feedback is appreciated. (attached) 

(I know the BB is wrong, that's a carry over from my current ride)

I have a similar build going and all parts are in the house. Here are some comments:

Shock - the SidLuxe is lighter than 330, I will get a weight posted today
Wheels - I am not sure I would go that light if you are looking for a more aggressive downhill experience
Bottle cage - Only room for one, unless you plan to run an adapter to fit two

As someone else stated, I went with X01 11Spd and slightly used X01 Eagle crank. This was a huge money saver and weight is very competitive.
July 30, 2020, 08:20:38 AM 		1
Re: Carbonda fm936 Thoughts XL SL frame came in at 2,012g. Everything was removed except for the cable liners.

Here are the weights of the attached items.

I will consider a RWC Shock Eye Needle Bearing Kit

Frame, shock, and all frame bits is 2,329g.
July 31, 2020, 02:12:09 PM 		3
Re: Carbonda fm936 Thoughts Slowly building. 

Key advice, run all cables first. Then start with dropper and cockpit.

Here is a shot of the head tube where I used foam sheathing on the shifter and rear brake lines.


August 15, 2020, 09:26:00 AM 		1
Re: Carbonda fm936 Thoughts I was close to going 24mm spindle but the weight savings...
August 25, 2020, 10:04:29 PM 		1
Re: Carbonda fm936 Thoughts Shakeout ride was a success. Water bottle rattled loose and rear brake is dragging a bit (need to align caliper better, or maybe new pads as the spring is worn out). Adjusted the position of one matchmaker as it was too close to the grip.

The suspension is so fresh and different. My last FS was a Titus Racer X Carbon back in 2011. That bike was too small for me. The FM936 with the Sidluxe Ultimate and the SID RCT3 that was just rebuilt by Squish Dynamics is such a treat!

Need to install the BRAD system for the second bottle and I’m ready for an epic weekend of dirt.
August 26, 2020, 03:11:59 PM 		4
Re: Carbonda fm936 Thoughts
Quote from: Vipassana on August 26, 2020, 04:46:00 PM
Quote from: adroitrider on August 26, 2020, 03:11:59 PM
Shakeout ride was a success. Water bottle rattled loose and rear brake is dragging a bit (need to align caliper better, or maybe new pads as the spring is worn out). Adjusted the position of one matchmaker as it was too close to the grip.

The suspension is so fresh and different. My last FS was a Titus Racer X Carbon back in 2011. That bike was too small for me. The FM936 with the Sidluxe Ultimate and the SID RCT3 that was just rebuilt by Squish Dynamics is such a treat!

Need to install the BRAD system for the second bottle and I’m ready for an epic weekend of dirt.

What size frame?  It almost looks like you can get two water bottles in line on that downtube with the right mounting setup.  I'm thinking one pushed back behind the lower mounting point and one higher up in the triangle?  What do you think?  Or were you planning the B-RAD side-by-side setup?
This is the XL. I asked about drilling two sets of bosses and Carbonda wanted a minimum of ten frames for custom.

I have B RAD four ready to install and will do one on top of the other.

Edit: Side by side is likely a problem with my knees.
August 26, 2020, 05:23:09 PM 		1
Re: Carbonda fm936 Thoughts
Quote from: carbonazza on August 26, 2020, 12:14:28 PM
Quote from: Vipassana on August 26, 2020, 10:43:59 AM
...I want the SRAM DUB crankset for the weight and stiffness...

My DUB crankset is already here, waiting for its frame.
And Belgium is kind of an opposite of your desert.

My gravel has a DUB spindle in a BB92. The bearings are toast already, just after a few months, and without any rain.
When looking for solutions, and asked BB Infinite and Hambini. Both told me to stay clear from the PF92-29/30mm combo.

BSA allows proper 30mm bearings, and is for me the only option if Carbonda does not provide a BB386 version.
Carbonda are usually very good in what they make, I just hope they align the shells straight.

The issue is important, and I'm just trying to make some more folks think about it if they want to run a DUB or 30mm spindle.
Hopefully getting more BSA frames ordered, so Carbonda feel some positive pressure, and make our 3 frames a bit faster :D

Just look around, you'll find how bad engineering are BB92/BB86/BB90 for DUB and 30mm spindles.
And how the bike industry is moving out of this infamous standard.

For me, I am less concerned about bearing longevity due to my success with BB30 and full understanding of the compromises.

The big shortfall of DUB is its complexity. The way the bearings are preloaded leaves a ton of room for error. If you follow the instructions to a T then chances for premature failure are greatly reduced. In my experience it is the torque requirements of the crank bolt that is critical. This torque must be correct to allow the preload to have a chance. Check the preload every ride for the first 50-100kms.

Second, I’ve already gone the weight route with the SL frame and the Sidluxe Ultimate. Adding weight at the BB and crank seems contradictory to my build.

Third, I live in the Chicago area. I literally see Movistar WC Rainbow jerseys at Palos. Sram supports my local trails. Sram Rockshox all the way.
August 26, 2020, 09:10:34 PM 		2
Re: Carbonda fm936 Thoughts
Quote from: theirishrider on August 26, 2020, 05:26:27 AM

One question I do have it.. how do I use those little plastic pipes to route my cables?

I used painters tape to connect the plastic pipes to the housing and then pushed the housing through the frame and only used the plastic pipes to gently guide the housing where it needs to go.

Run all the housing first, before the bb, seatpost, fork/stem, and you barely need the plastic pipes.
August 27, 2020, 11:18:00 AM 		2
Re: Carbonda fm936 Thoughts My build is complete and am sharing the weight and build list.

In summary, the weight came out to 11.75kgs that includes pedals and one King Cage stainless steel water bottle holder. Take those off and the bike comes in right at 25lbs. I spent just under $2800 and transferred the brakes, fork, wheels, tires, pedals, saddle and bottle cage from old bike. I also went take off 11spd Sram X0 group which was a steal.

I have since added the BRAD four and will add pics of the two bottles that fit quite nicely. I've done three rides, still working on the rebound settings and have order new brakes (Sram Level Ultimate) because the rear brake is damaged from an OTB event in June.

Tomorrow will be a 20 mile solo ride where i can focus on figuring out how to ride it fast...
August 31, 2020, 03:44:41 PM 		3
Re: Carbonda fm936 Thoughts In the process of installing some new brakes and noticed how marred the rear brake hose was from installation. So, before installing the new rear brake I filed down the entry and exit points to reduce the sharp edges.

You have to be very careful to avoid marred/scratched housing.
September 15, 2020, 11:23:06 AM 		2