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Re: Carbonda FM-1306A a 69° Hardtail Hi all

First post here. Have been following for a little while to get advice and inspiration for a new build, which I finished yesterday. So thought I’d contribute with info and experience in case useful/interesting for others.

Build list:

- FM1306a XL in RAL 1015 (light ivory)
- XMCarbonspeed wheelbuild KAS930C 29er T800 on DT Swiss 350 with Sapim
- Fox step cast 32
- Formula cura brakes
- SLX cranks, rear mech, XT chain, BB
- ZRACE chainring
- Sunshine cassette 10-50
- BikeYoke Divine SL dropper
- Selcof bars
- ZTTO XC stem
- Barzo tyres
- Cheap, light Ali saddle
- Risk grips and seat clamp
- Ritchey headset
- XT pedals

Weight 9.68Kg including cage and Garmin mount.

Dealing with Wing at Carbonda was great - really helpful and quick communication. The frame and paint quality seems first-rate, can’t find any faults at all. Likewise Peter at XMCarbonspeed. And the wheels arrived with me in the UK about 10 days after I paid for them - super fast!

Most of the Ali stuff looks decent, albeit yet to ride. The Sunshine cassette seemed harder to index than it should have been. The bar plugs that came with the Risk grips broke when fitting them. Otherwise all looks good.

I replaced the top section of the headset that Carbonda supplied with a Ritchey 1,1/2 to 1,1/8, based on feedback on another thread.

I’ll chop off the rest of the steerer once I’ve dialled the position - I think the -20 degree ZTTO stem might be a bit too aggressive….

Photos hopefully attached!
April 12, 2023, 02:24:59 AM 		12
Re: Carbonda ACR Headset Fix Hi all

Just wanted to say @binaryagent thanks a lot for this post. I’ve just built up a Carbonda 1306a (see post in that topic) and based on your post I chucked the headset upper that came with the frame and put in the Ritchey 1,1/2 to 1,1/8. (Easily sourced here in the UK.) Fits nice and flush. For those interested in this kind of thing it weighed 76g for the 1,1/2 bearing, the adaptor ring to 1,1/8 and the dustcap. The bearing on its own is about 30g from memory


Quote from: binaryagent on December 06, 2022, 11:12:13 AM
Additional Resources:

FSA Replacement Bearing:
https://www.fsaproshop.com/products/acb-bearing-1

Enduro Bearings shows that these are replacement bearings for the MR-127 bearing (these are thinner than the FSA bearing above and more like the Carbonda bearing):
https://cycling.endurobearings.com/products/acb-6808-cc $18
https://cycling.endurobearings.com/products/acb-6808-cc-ss $32
https://cycling.endurobearings.com/products/acb-6808-cc-sxd $109

Unavailable FSA ACR Retro Fit:
https://www.fsaproshop.com/products/no-55r-1-5-558 $45

Ritchie Headset:
https://www.bike-discount.de/en/ritchey-comp-cartridge-drop-in-1.5-upper-headset ~$74



The FSA PDF doc shows the ACR specs for the head tube, bearings, etc.

BrokenTibia took a nice picture (attached) to show the difference in the Carbonda and FSA bearing. You can see why the FSA bearing would sit deeper in the head tube and would be more stable. The bearing retainer above the bearing is what really needs more stability though.
April 12, 2023, 03:19:45 AM 		1
Re: Carbonda FM-1306A a 69° Hardtail Thanks. The gold bits are vinyl decals - good spot! I wasn’t 100% sure what to go with and so thought I’d experiment a bit. Actually a pretty close match to the kashima gold on the forks.

Good luck with your build, will be interested to see how it goes

Quote from: Pedaldancer on April 13, 2023, 11:02:44 AM
Very nice build! Are the golden elements a part of the painting or did you add some golden adhesive?

My frame is somewhere between China and here... I can't wait to  hold it in my hands. And then having a sleepless night.
April 14, 2023, 12:46:51 AM 		1
Re: Carbonda 505SL Integrated Stem Hi all

First of a couple of posts about my build of this bike.

I’ve bought the integrated frameset in XL painted RAL 5025 - metallic effect Pearl Gentian Blue. The frame has arrived and quality of manufacture and paint job is very high, even better than the already good 29er hardtail I bought from Carbonda last year.

I wasn’t sure whether I’d want offset or zero offset seatpost so bought both. And like a number of others looking at Carbonda’s integrated gravel bars, CGB02, ideally I’d have wanted a longer stem and narrower bar than they offer (80x400, 90x420, 90x440, 100x440). But I took a punt at their 44cm bars and 100mm stem version. And as someone else has observed, they actually feel narrower than their stated width, which for my preferences is a good thing. They feel stiff and the cable ports are well finished (and wide).

I’m halfway through building with the parts listed below. Will post pictures and conclusion when finished. For now, a word on the headset:

I wanted to replace the headset that came with the frame - mainly because I don’t trust the bearings (and with an integrated set up I didn’t want to be replacing them in a hurry…), but also because the FSA ACR headset cover looks neater than the Carbonda one. So I ordered the FSA ACR #55, which is compatible with the Carbonda bars (and spacers). Slightly problematic. The headset top cover works well with the bars, and looks better than the Carbonda one. And it is compatible with Carnonda’s top bearing compression ring (which as it happens looks like a better design than the FSA one). But the FSA bearings are a) 51.8 OD wheareas the Carbonda ones are 52 (which is the required size for the frame, the 51.8 bearings are a bit loose); b) the FSA bearings are 36/45 and the Carbonda ones are 45/45 (which makes no difference if you don’t mix and match race and compression ring); but c) the FSA bearings sit much lower in the frame and so (either) top cover rubs against the top of the headtube when tightened. So, I’ve gone and ordered a pair of Hambini MH-P16 bearings and plan to use these with the Carbonda compression ring, Carbonda crown race and FSA headset top cover. We’ll see.

Build list:
- SRAM Force XPLR 2023 1x (with Pass Quest 42T chainring)
- Ali X cheap ‘Carbon Fibre’ saddle. Now use this on all my bikes - cheap and comfortable, even on my hardtail
- ZTTO T47 bottom bracket. Looks ok, not ridden.
- two pairs of wheels: both rims supplied by Leon at Yuananbike - 24mm internal, 39mm depth tubeless hooked. One pair will be built 28/28 with Pillar Wing 20 straight pull on Goldix GDR310 hubs. Waiting on rims. Other pair being built 24/24 with Sapim CX Ray on Malcolm’s Borg hubs (The Cycle Clinic). Will put 33mm slicks on the 24/24 and Conti Terra Trails on the 28/28.
- ZTTO bottle cages.

Cheers
Ben
May 19, 2024, 01:32:02 AM 		1
Re: Carbonda 505SL Integrated Stem If I’m not mistaken 1200 is the original 505. This is the 2023 CFR505 SL (Super Light).





Quote from: pushpush on May 19, 2024, 08:54:15 AM
980? Dont Carbonda claim a 1200 weight? That is a big weight improvement.
May 19, 2024, 03:32:48 PM 		1
Re: Carbonda 505SL Integrated Stem Almost built. Just waiting on rotors and tape to arrive.

Build was unproblematic. Internal hose routing through the integrated stem/bars was obviously more of a faff than external routing but not a deal-breaker. Only very minor complaint is the rear caliper mounts aren’t perfectly faced - but not so off to bother rectifying.

Without doubt the hardest and most time consuming job was mounting the Challenge tyres. WTAF. I almost cried, broke my thumbs, cut them up and set fire to them. I’ve mounted many tubeless tyres on many different rims but this was on a whole new scale of ridiculous. Not getting them off in a hurry/ever.

I plan to use it most of the time on road with offroad outings here and there - so wanted something sprightly enough for the former without being so aggressive it’s limited for the latter. I knew I wouldn’t need many if any spacers given how massive the headtube is, and I wasn’t wrong - esp with the positive angle stem / bars.

Paint looks great in the flesh - metallic effect hard to come through in the photos.

7.3kg not including pedals or rotors or bar tape. Pretty good for an XL build that’s not massively weight weenie (wheels are 1530g, tyres 335each etc)
May 24, 2024, 11:13:32 AM 		3