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ZTTO MTB M1 Boost hubs 28H 54T Ratchet Hi guys,
These hubs been to be new on AliExpress.
Looking a lot like DT Swiss copycat.

Anyone knows how to calculate spoke length for those?

Data:
Boost
28H
F: 138g
R: 231-250g depending on freehub
end caps interchangeable
freehub Micro Spline / Shimano 11s /XD
freehub detachable
54T Ratchet System like DT
Centerlock
Straightpull
ca. 100$ F+R

https://a.aliexpress.com/_d75gYDS

July 08, 2020, 03:05:30 AM
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Re: Syncros Fraser iC SL / Scott Spark 900 handelbar 90$ instead of 399$ Thank mate. Missing the "like" function so much on this forum
July 13, 2020, 08:07:23 AM
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Re: Carbonda fm936 Thoughts
Thanks @Medico

Still missing the like function on this forum

I'll look into adding it. Thanks.

Added. Thanks for the input.
You're the MAN! Much appreciation! So let's tell everyone via a news thread!

July 20, 2020, 11:19:23 AM
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Ice-Tech 6-bolt disc brakes 160mm Found these, maybe someone needs something like that:
https://a.aliexpress.com/_BSHglX


July 27, 2020, 12:21:30 AM
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Re: Syncros Fraser iC SL / Scott Spark 900 handelbar 90$ instead of 399$
rubbing marks after installation and various rotataions around the steerer




tried to copy the pictures from r2 bike of 70mm stem, to give possibility to compare. https://r2-bike.com/SYNCROS-Vorbau-Lenker-Einheit-Fraser-iC-SL












a little sharp around the inner edges. will also grind that off a little

here is A2 screw for weight comparison





here the original weight at r2-bike (70mm stem)




July 29, 2020, 10:04:54 AM
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Re: Carbonda fm936 Thoughts
You guys are going to convince me to spend a lot of money here...

I'm looking to build a bike to compliment my Chiner carbon ultralight XC hardtail I built using this site in 2014.  This looks like an interesting option. I want something that climbs really well, but can handle the downhills better.  This lightweight hardtail is slowly killing me...  ;)

I worry about the very non-traditional geometry on this frame.  Its a stark departure from my current frame (CS-218) and even more radical than the new Specialized Epic-EVO.  Geometry comparison below (used NS data since the frames are very similar/identical)

Given I ride a LARGE CS-218, should I consider a MED. or LAR. FM936?  That reach on the FM936 really worries me...
I learned here from David Arthur that you should get your normal size. The frame is for short stems only. The reach seems long, but as the seat angle is very steep you won't have such a long reach in real life. Just check eff. top tube. Also Carbonda recommends a seatpost without setback on this frame.

July 29, 2020, 11:50:58 AM
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Re: ZTTO MTB M1 Boost hubs 28H 54T Ratchet
What are your guys go-to for straight pull spokes?  I just ordered these ZTTO hubs but haven't built straight pull before.  I originally was going to go with Sapim Lasers, but now I'm reading horror stories about non-bladed spokes straight pull spokes, at least when needed to service them they just spin and it takes a ton of clamping force to hold the round spoke.
There is something to it. Using round spokes, especially Lasers can be very troublesome. Three very important things you have to comply. Use linseed oil for nippels, destress spokes and Always overturn a spoke and make a quarter turn back. Best is to use bladed spokes like I'll do for this project. You can hold them way better

July 29, 2020, 03:52:21 PM
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Re: Carbonda fm936 Thoughts
Carbon or Aluminium rims?

Carbon
Then it's quite obvious this happened. With an electrically conducive medium like tubeless milk (electrolyte) there is a electrochemical corrosion going on. The Aluminum has a lower valence than the carbon so there is a constant ions transport from aluminum to carbon. Ths makes the aluminum corrode. It really dissolves. This can even lead to a complete nipple head failure and the ripping apart of nipple head and rest of nipple. This also happens with water, but it takes longer as water is faster evaporating like the persistent milk.
ALWAYS use brass nipples when buildung carbon rims you want to run tubeless and you want to ride your bike also in wet weather conditions. Salt from the winter times, even help the corrosion.
The avaiation learned it the hard way, as they were placing aluminum ribs on bare carbon. Nw they are using a insolation layer between the both like glassfiber.

July 31, 2020, 08:02:47 AM
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Re: ZTTO MTB M1 Boost hubs 28H 54T Ratchet here are the pictures.
Like I said, I ruined the right end cap on the rear hub, when I wanted it to get off the axle.
FH: 139g
RH: 240g














August 03, 2020, 08:12:01 AM
3
Re: Carbonda fm936 Thoughts
My frame arrived!

Hope you all like the color, I think its fun!

Here is my clearance with the cheap ebay 165x42.5 2018 fox dps bottomed out. When its already bottomed out and I continue to bounce on it the frame doesn't budge. I agree with NumberZero and Medico, 42.5 seems bomber.

This build is looking better and better. No problems so far. Quality is great
love it! You have balls!
clearance seem to be very small, but should be fine I guess. Will also run the 42.5 and try not to bottom out. I'm not a true XC rider with all that jumping. Just wanne have a very smooth riding fast bike with which I can ride in the woods and on the streets and on gravel.

August 04, 2020, 01:59:12 AM
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