Chinese Carbon MTB > 29er

Dengfu M06

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adbl:
A couple of things about my bike. I have been riding it for about a year now. Best mtb bike i have ever owned! I am using an X-Fusion O2 RLR shock and in the beginning i wasn't sure the tune was correct for the bike. I sent the shock out to MAD Racing in Reno NV. They have been great to deal with, can't say enough good things about them!!! Gave Mike all my information, sent him drawings of the bike and i have to say, other than pressure, i haven't touched anything on the shock since. Feels great and i am using the whole amount of travel without ever bottoming out. I will say on the bigger drops and hits i can feel the seatstays flex. They're supposed to do that, it's part of the suspension package. I'm sure you are feeling it too. Might be why you feel the ratio is more linear than the drawings suggests.

I must have drawn the frame at least 10 times before i felt i had it right. Now, i'm using an oval chainring so it always feels like the suspension is bobbing but when i set the oring position at where i'm pedaling (on a flat road) the oring doesn't move at all. Maybe using a  GoPro will help to visualize what's going on back there. I think a lot is made of suspension bobbing and how detrimental it is to performance and efficiency. I used to be a big believer of that but now i concentrate more on how it puts the power to the rear wheel. On a mtb you are constantly flexing, moving, changing your seat position front and aft and i don't feel any of these conditions are effected by bobb. If you ride out west where you have long flat climbs straight pedaling might be effected but on single track where the riding surface is constantly changing i don't feel bobb comes into play at all. My M06 accelerates really well, puts the power to the rear tire extremely well and climbs technical climbs like a goat. Yes, other frames might show better specs but to me it's more about how the bike feels underneath you that counts  :)

olao:
I have sort of given up Linkage, since the numbers there do not necessarily reflect the true numbers on the bike. The problem, I suppose, is that Linkage does not have this kind of design as an option. Or i have not realized how to do it. At any rate, the numbers are less important the the bike's actual behavior anyway. But of course, the numbers and measurements can still guide you in the right direction when you want to adjust stuff. From measuring the leverage ratio (or leverage curve) I feel quite confident that I should not need a larger air can.

I tend to use most of the travel, without bottoming out hard. However, the rear is a little harsh on small bumps while still nearly too soft on larger bumps, and there I sometimes get a somewhat too strong rebound. Still need to play with pressure and rebound, and if that is not enough I will adjust the shim stack. 

Regarding bob, I do not experience much of that. However, I do use a remote with three steps, and in the most locked position the shock and fork are very firm, even if not completely locked. That's what I use on the flat for going fast or up on smooth hills. In the open position there would be a little bob if I push hard in a high gear on the flat, but on the typical trail you do not notice any of that. Rather it tracks the trail nicely. On technical climbs I typically use the middle position and sometimes also on smooth trail.

And, yeah, I agree, this bike accelerates nicely and feels really fast. I have not yet contested it against my old hard tail on my favorite gravel roads, but on some of the more technical trails it is certainly faster than both the hard tail and my previous full suspension.

charlesrg:

--- Quote from: adbl on October 25, 2017, 04:14:02 PM ---I use Linkage Design software. It's a program you can draw bike frames and then analyze the geometry. You can trace a frame, put in specs from a known frame or design one of your own. The link to the site is here:  http://linkagedesign.blogspot.com/

--- End quote ---
adbl, may I use some of your pictures on the frame wiki ?
http://www.bikebuilderinfo.com/bin/view/FrameList/
I'm trying to put together structured info from forums so it's easier for new builders to find.

adbl:
Sure, you can use whatever you need.

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