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Messages - jetpilot

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29er / Re: Ican S3 XC Frame
« on: June 12, 2021, 09:05:44 AM »
Great thanks!

It has good pedaling characteristics from what I can see. I usually like to see ~120% on 50T so it stiffens up a bit especially if its a XC bike. This will also try to keep it above or close to 100% when on an uphill (CG moves forwards).
From my anectodal experience, 100% usually means it will bob slightly when mashing but it will stay fairly calm if you spin seated. A pedal switch is still going to be useful for sprinting and making the bike "feel" more efficient without perfect technique.


What software is this btw?

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29er / Re: Carbonda fm936 Thoughts
« on: June 11, 2021, 11:15:42 PM »
@RobertRinAustin
Thanks for the details

I too really like the SPUR, would be the bike Id get but I just dont want to spend 5K+ on another bike. I have tons of parts for the build from my many bikes over the year and can build the FM936 for <2K, the wife will be happy.

I have not ridden a SPUR actually but from what I read its the one to get (although that new Scott Spark looks ridiculous), have you ridden one? How does it compare? I am guessing its much more progressive and stiff feeling bike but not much else, geometry is not too far off and could be tweaked with an angle adjusting headset
https://linkagedesign.blogspot.com/2021/03/transition-spur-29-2020.html

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29er / Re: Ican S3 XC Frame
« on: June 11, 2021, 11:06:02 PM »
Awesome Julian!! I was hoping you would do that  ;)
Yes seems they are both good bikes then, the leverage ratio from Carbonda did seem a bit odd but I found it plausible given what I have seen been done in China ("designers" that dont even know how to use the thing they are making, happens in many products).
I actually prefer the FM936 as its lighter and that's kind of the whole point of this bike (I already have a 160mm bruiser), plus flex stays is the new thing right  :P
Can you post the antisquat curve at least for one of the flex points? ("further back" seems like a good middle ground) THANKS!

I'm 200 lbs. Takes about 3 ft drop to flat to flat to bottom out.
You are heavy (like me) but 3ft is not that big (maybe for the type of bike), I am hoping I can replace my bruiser on most of my non bike park days and that might include some bigger stuff ;D maybe it will be good if the tokens are maxed out.

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29er / Re: Ican S3 XC Frame
« on: June 11, 2021, 12:30:37 AM »
how much do you weight?
How big are these drops/jumps you speak of?

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29er / Re: Ican S3 XC Frame
« on: June 10, 2021, 10:02:28 PM »
Seems like the S3 has a much better suspension design than the FM936.

Attached is the leverage curve sent by Adam at Carbonda and the S3 (thanks Julian)

As you can see the S3 is progressive to linear, similar to most modern XC bikes designed for an air shock

The FM936 has a really pronounced falling rate in the end of travel, this would mean it has very little bottom out resistance. Almost no bikes are designed like this today. We want a rising rate.

I have been looking at these bikes for my next downcountry bike but seems the S3 is a better choice for anyone who will bottom it out. Too bad its heavier than the FM936 by more than 400grs (comparing the SL version)

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29er / Re: Carbonda fm936 Thoughts
« on: June 10, 2021, 05:44:40 PM »
Can someone that has experience riding the FM936 talk about the rear suspension a bit?
Is the anti-squat high?
Is an MM tune shock ok for it?

How does it compare to other bikes you have ridden of similar travel?


Thanks!

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29er / Re: Chinese SC/AM831 Group Buy
« on: July 15, 2020, 04:22:46 PM »
i am interested
size m raw with gloss varnish
location: spain

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