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Messages - gints

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Cyclocross Frames, Wheels & Components / Re: Carbonda 505SL Integrated Stem
« on: September 08, 2024, 05:04:58 AM »
I just completed by Carbonda 505SL Transmission Mullet Build last weekend. Very much in a rod going guise while living in Singapore, and will get a gravel wheelset for when I return to Australia.

Carbonda Frame, Seatpost, Integrated Handlebars and Integrated Headet
SRAM Force 1x Quarg Cranks
SRAM XO AXS Transmission Derailler
SRAM Eagle 10-52 Wide Range Cassette
SRAM Rival Levers/Brakes
SRAM Dub T47 Bottom Bracket
Elitewheels Edge 65mm Carbon
Continental GP5000 30mm Tires with TPU Tubes
Look X-Track Carbon Race Pedals

Came in at 8.0kg all up, which I was impressed with, given I was never really focusing on weight.

I am not very experienced with servicing/building bikes, but I am pleased with how it's turned out. Bar tape needs some work but I'll live with it until I have another reason to take it off! Any questions just ask.

Early days, but I am impressed with the Carbonda parts. Well packed, very well painted, no defects. Mostly road riding for now, feels good, comfortable, fast, looks great.

One question - does anyone know if any where else sells compatible headset spacers (for under the stem)? I got the schematic from Wing for 3D printing but no means to do that, and its a lot of shipping for such a small and cheap part, so I was wondering if anyone had experience with a compatible brand/design - I just need another 10mm to relax the position a bit.





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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

Did you get the headset from Carbonda and just replace the bearings? Which bearings did you end up ordering - I am finding the headset compatibility with integrated bars very confusing!

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The first of 3 CFR505 is built, in SRAM mullet mode.
With a GX T-Type derailleur.
Force shifters and crankset + spindle Quarq power meter
Lightbicycle wheels.
Toseek handlebar. Uno stem. Elita one saddle.

This look great. Did everything work well with the T-Type?
I am looking for a UDH Carbon Gravel frame to do basically this exact mullet build. Any thoughts? Is the geometry comfortable?

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Hey - I am looking to get a frame to do a SRAM Eagle T-Type Transmission mullet build, with SRAM Rival or Force levers/cranks. These require the frame to support the UDH (Universal Derailler Hanger).

I am 185cm and heavy. I am looking for more road biased (have a steel gravel bike for offroad/touring), but still comfortable geometry, so not overly aggressive. Tire clearance is not important.

So far I have found:
SPCYCLE G068 - Has UDH. Understand is based on Canyon Grail, reach looks quite long and geometry a bit too aggressive
Carbonda CFR505 - Has UDH. Good reputation. Geometry looks perhaps more suitable. Not sure what the difference is with the SL model and webpage is hard to navigate.
Carbonda CFR707 - Similar to 505. Maybe more aggressive.

Having an AXS Mullet is required but I suppose may not need to be T-Type Transmission, which opens many more options and is a bit overwhelming. I have also looked at the Winow GF23/SP G058 if I went this way.

What other models should I add to my research list? I am in Singapore if that helps in terms of delivery/cost/currency.

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