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Re: Carbonda 505SL Integrated Stem I received my CFR505-SL this week, building up with Shimano GRX810 2x11. I've never been disappointed by Carbonda, and pretty happy with the quality on this one. They did forget to include my seatpost clamp, fortunately have a spare in my parts box. Will post more pictures later.

I've built up many frames up over the years, this is the first using an integrated handlebar (the CGB02).

Differences between CFR505-SL and CFR505:
  • Headset size: 1-1/2"* 1-1/2”ACR (two 40 x 52 x 7mm: 45x45 deg bearings)
  • Rotor size: 160/180 mm
  • The rear brake cable exit was changed to the same design as CFR707
  • The front derailleur cable routing was changed to the same design as FM1056
  • Seat tube was changed to normal seat tube clamp design, same as CFR696
  • Removed rack and fender mounts. Only keep two sets of water bottle cage mounts. (My frame has 3 with the downtube mount)
  • Max tire size:700x42c  / 650B*47c
  • Max chainring: 50-34T / 42T
  • T47 bottom bracket
  • All mounts removed from fork. There are internal and external routing versions.

Build Notes:
  • Rear caliper: flat mounts on the chain stay are 25mm thick, so if you're using Shimano calipers & SM-MA-R160D/D adapter, you will need 38mm long bolts (Shimano part Y8N208020)
  • Headset bearings: Don't quite trust the quality of the supplied bearings, and considering what a PITA it will be to replace the them, I plan to order new Cane Creek or Enduro bearings for the build
  • Front derailleur: cable uses housing from the shifter to to a plastic guide below the BB (pic attached). From there it's inner cable to the RD. You'll need around 1.4m of housing
  • Rear derailleur: cable use housing from the shifter all the way back to the rear derailleur. I'm using a GRX810 RD, so I need to use the flexible Shimano OT-RS900 housing where the cable exits the frame to the RD. I'm using a Jagwire Double-Ended Housing Connector CHA062 to join the two cables. Note the Jagwire Pro cable kits (e.g. PCK500 ) also include the flexible cable section and double-ended connector.
  • Get some Internal Housing Damper foam (6mm ID, 10mm OD) for the rear brake hose and shift cables to stop it rattling in the frame. I have some made by Jagwire (ZSK600), you'll need around 2-3m
September 23, 2023, 08:36:55 PM 		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 Some reflections having put some miles in on the bike. In case helpful for those maybe thinking about one.

All told I’m very happy with it and would recommend. I guess the way that gravel bikes are going this is going to be seen more as an all-Road bike than a gravel bike, principally because you’re limited to 42-45mm tyres (I’ve got 44mm Mezcals on no prob, but would be wary about going bigger in clingy-mud). And lack of mounts mean it’s not designed for bike packing etc. But that suits what I want it for and I’ve been happily riding it fast on the road with 33mm slicks and off-road on 44mms. I haven’t found its ability to do both a compromise on either which I thought I might. If I’m on stuff where 44mm isn’t enough I’d rather take my mtb anyway.

I had seatpost slipping issues - the seat tube  is +0.15mm over and 2 Carbonda seatposts supplied are both under 27.2 to about the same degree. No amount of carbon paste was solving the issue. The seat collar supplied is 13mm high - I wondered if a taller collar (18mm?) would solve the problem but most collar listings don’t specify height dimensions and the few that do all seem to be max 15mm. In the end I solved the problem with some adhesive  0.2mm vinyl sheeting designed for covering books. A single layer of that on the seat post has worked without issues.

On chainrings - I’m running the stated max 42T ring with a 6mm offset (as recommended) on a SRAM DUB road crank (with 10x44 XPLR cassette). I don’t think you could go more than 42T with this set up without putting on a ring without an offset (or maybe 3mm instead of 6) - there isn’t much room to play with, see pictures. I’ll defer to others’ experience of increasing the chainline on shifting performance and wear etc. As it happens I don’t spin out with 42x10 until over 40mph which is fine by me for the type of riding I’m doing on this.

Finally - in going 1x fully wireless without a chain guide I had to buy some rubber hole plugs/bungs to cover the unused holes. Cheap on eBay.
June 22, 2024, 08:23:25 AM 		1
Re: New gravel frame for a tall rider (Could use help) I'm 1m92 with an inseam of 88cm. I have a Carbonda CFR707 XL which I run with a 90mm stem, with which I'm very happy. I based my choice on my Canyon Ultimate CF SL 8 that I also own in an XL size. Geometry between these two bikes is quite comparable.

I made a post describing my full build over on fiets.nl.

When I compare the CFR707 geometry with that of your Factor Ostro VAM size 61, then I notice that the geometry of the CFR707 XL is much closer than that of the XXL size.

I have my seatpost inserted up to the 5.5 mark. So I guess you could extend it for another 5.5cm to compensate for your longer inseam.
July 30, 2024, 08:03:15 AM 		1
Re: Carbonda 505SL Integrated Stem Hi everyone, first post here, nice builds!

I have a 505sl on the way. I have a few questions to which Carbonda's answers were not realy clear.

I chose the version with internal routing. Carbonda's description is as follows: “If you choose internal routing, the frame needs to use internal routing fork and it will have cable routing holes at the headtube”.
I'm not sure to understand. Is there a hole in the steerer tube? Is it possible to use other systems than FSA ACR, or does it have to be ACR compatible? Not being limited by ACR compatible components would open up the stem options for my build.

According to carbonda the rotor size would be 140mm (160mm with adapter) at the FRONT and 160mm at the REAR, is this correct?

Thanks for your answers
September 06, 2024, 03:38:50 AM 		1
Re: Xiamen Carbon Speed 10 years anniversary special promotion Just received pictures of my wheelset from Peter. Turned out lighter than expected. Paintless finish looks sick
October 16, 2024, 04:45:25 AM 		1
Re: Stem -12 to -17 degrees - integrated cable routing - 120 mm length Those bars look very interesting. Do they flex under load?
Can you share the link to those?
November 27, 2024, 03:13:20 AM 		1
First bike build, Carbonda CFR 505 SL Hi everyone,

I am currently sourcing the materials for my first bike build. Now I need a little bit of input, about some of the parts, especially on the frame and handlebar I am planning on using. My current list looks like this:

Gravel Bike Parts

I am more or less locked on the Carbonda 505 SL framset and the LightBicycle AR46 wheels, I am not 100% sure about anything else yet, some parts more some parts less.
My current bike is a Rose Backroad AL Randonneur (2020 edition, size 59). Now I am looking for a slightly more sportiv bike. According to the Rose employee, who sold me the bike back in 2020, I am between a 57 and 59 ( My height is 188cm with ~88-89cm inside leg length. ) and since I was looking for a relaxed commuter bike, he suggested the 59.

Here is a comparison of the Rose in 59 and the Carbonda in XL (60 according to their website).

Now my questions are as follows:
  • Is the Carbonda XL is the right size for what I am looking for or if I should go with the 57? I know too little about frame geometry to make more than an educated guess here.
  • I like the aesthetics of a fully integrated handlebar/stem combo like the one Carbonda offers. But I think being able to change the stem separately has some benefits too. Should I just go for the Carbonda Handblebar/stem, or are there better (budget friendly) alternatives? My initial Budget was 3000-3500€ but I didnt account for the shipping cost of the frame and wheels, which is around ~350€ (for both together, already inlcuded in my list). That's why I currently lean towards the Carbonda Handlebar, because it seems to be the best to stay somewhat in my budget (would 440/100 be a good choice, given that I am happy with the handlebar on my current bike?)
  • Am I missing anything very obvious in that list? (Other than the entire cockpit)
  • Are there any all black, compatible casettes? (10-36 12 speed, the all black cassettes I found so far are mostly 10-50 or similar)

[EDIT]
Edited the bike part list. Getting closer
January 16, 2025, 03:19:20 AM 		1
Re: Spcycle G058 New Mold Carbon Gravel Frameset
Quote from: Tijoe on January 28, 2025, 10:19:10 AM
I've been reading this tread, and I like this frame except for the weight.   Why does it weight 1200+ grams.  My Spcycle SP-M05 hardtail frame weighs less than 1000 grams.   I love my SP-M05, and it has become my gravel bike equivalent and bikepacker.  I ride this bike more than I do my gravel bike. 

Edit:  I am still waiting and searching for a Chinertown equivalent of the Salsa Cutthroat frame...


I have the SP-M05 and the GR058 and I think the weight difference is down to all the 'adventure' bolts and mounting rivets on the GR-058.  I swapped all of mine (but for bidon and mudguard mounts) for plastic blanks and saved 100gr.
February 04, 2025, 03:52:06 AM 		1
Re: Tideace NEW Gravel Frame: GR201 Shake out ride this Monday  ;D

-GR201 size 540
-9Velo GV45 2.0
-SRAM Eagle GX/Force
-10/52t Cassette 44t Chainring
-Cybrei Ceramic T47 BB
-Continental Terra Speed 45c
-Onirii ONE 3D Saddle
-Fizik Temp Bartape EDIT: I absolutely hate the way these look after install.
-Cyclowax Waxed Chain
February 22, 2025, 03:19:03 PM 		1