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Carbonda Cfr 1056 I've been looking into Carbonda due to the popularity of the 505 and 696 frames. So far, the 696 appears to be the leading contender for my next bike, however the 1056 looks very interesting. Has anyone in the community here got experience with the 1056?

It appears to be a road frame with just a bit more relaxed geometry than the 696. If it's a solid frame, that could suit me perfectly as I would be using it as an endurance frame and I don't have any plans to load up racks and fenders which the 696 accommodates. .
July 31, 2020, 03:30:11 AM 		1
Mechanical pull disc brakes list - 140/160mm - road bikes Cable operated hydraulic:

Juin tech - R1 (post mount)
- two calipers, 160mm disc = $130
- two piston
- made in Taiwan
- forged/CNC AL
- 160mm only (?)
- 154g/ea

Juin tech - F1 (flat mount)
Juin tech - M1 (side mtn mount)


PRO A8000
- two calipers, 140mm disc, pads = $55
- two piston ("double sided synchronous drive")
- CNC machine AL, one Ti screw
- heatsink style brake pads
- floating disk rotors
- 140mm only (rear 70mm front 35mm spacing) some reviewers complain because they thought it would work on 160mm..
- 140g/ea

ZTTO (same as the PRO A8000, just different pads)
- two calipers, 140mm disc, pads = $51
- 270g/both
ZRACE BR-002 (same as above again)


XOOM XTECH HB100
- two calipers, 120/140/160mm disc = $50
- two piston
- no brake pad included (?)
- 190g/ea
Reviews here:
https://singletrackworld.com/forum/topic/any-experiences-with-the-zoom-xtech-hb-100-brakes-too-cheap/ (positive)
https://www.youtube.com/watch?v=aIEzwkr80fA (negative)
https://forums.mtbr.com/components/hydro-caliper-cable-actuated-advise-1090865.html (negative, leaks oil after a month or so)


Giant Conduct system
- requires special stem
- hard to find, not sure if its still sold


Cable only:
Avid BB7
- two calipers, 160mm disc, pads = $55
- single piston (?)
- easy adjustment mechanism
- 210g/ea

TEKTRO MD-C550
- two calipers, pads ~$100
- two piston
- 140/160mm capable
- 170g/ea

TRP SPYRE FM
- $170

Two piston seems common, anything one piston or pure mechanical seems not worth it. Four piston is available (Juin GT-F) but incredibly expensive.

So far I'm happy with ZTTO gear:
- SPD pedals last a year already (they use bushings not ball bearings, so not so surprising)
- BBs work well
- Cassettes have some flaws apparently

But reliability here is more important, if piston leaks, brakes can fail to operate.
August 07, 2020, 03:16:04 PM 		1
ZRACE crankset confusion I've ordered the ZRACE RX 1x crankset (https://www.aliexpress.com/item/1005001345854813.html) but it's pretty annoying/confusing to put together:

1) The nuts for the chainring bolts require a special tool ("chainring bolt wrench") to hold into place while tightening the bolts. Be warned if you don't already own this.
2) The T25 screws to mount the spider are the kind with a pin in the middle, so your tool needs to have a hole in it. I own four tools with a T25 bit (including two torque wrenches) and neither of them have a hole in it. The crankset does include a small tool you can use, but that is too small to get the screws up to 8Nm. I may try to replace these with SRAM screws. Both are M5x7mm, and I'm hoping the threads will match too.
3) The T25 screws shipped with a large rubber ring/band in the bag. I have no idea what that's for.
4) The dust cap looks like it's the Shimano Hollowtech type, but it's not (the Shimano tool doesn't fit). I have no idea how I'm supposed to loosen or tighten this.
April 13, 2021, 01:09:41 PM 		1