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Messages - sdplinker

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29er / Re: Chinese SC/AM831 Group Buy
« on: July 09, 2020, 01:07:28 AM »
Seems like different company reps are not on the same page....

2
29+ & 27+ / Re: 29+ hard tail boost frame?
« on: April 29, 2020, 12:51:33 AM »
In the same boat.  Following.

3
29er / Ican P1 or P8?
« on: April 25, 2020, 09:39:11 PM »
After reading a bunch about leverage ratios - looks like a bike that would be good for me geometry-wise is the Ican P8... also good reviews from 'clydes' like me.  But is the P1 the new P8?  Confused.  Don't see the P8 listed any more.  Thanks!

4
Component Deals & Selection / 007Bikes - Shimano drivetrains - legit?
« on: April 23, 2020, 02:21:39 PM »
A big part of build vs buy is of course component selection.  The Shimano parts on 007Bike on aliexpress has high ratings... are these legit Shimano parts??

5
29er / Re: Frames / heavier riders / leverage ratio
« on: April 21, 2020, 12:33:43 AM »

Quote from: Sitar_Ned on April 20, 2020, 08:42:54 PM
The Ican P8 and P9 are based off the Transition bikes you listed I think. I could be wrong about that.  I actually emailed Ican asking about price for a P8 a couple of months ago and never got a reply (I assume due to Corona) but then the SC group buy came up.

As for your rabbit hole... I've been dipping my toe into the linkage/optimal leverage rate hole recently, and I'm also in on the group buy. Are you saying the SC linkage design isn't optimal in general or specifically for riders above 250 lbs? Do you mind sharing what your learned about the Hightower to make you question the design?

Thanks and good topic.

I'm way too inexperienced to know for sure.  I came across this when over-analyzing my decision on what to buy (which is normal for me).  Also some work-related COVID income stuff has me a little more reticent to take a flyer on a Chinese frame.  In any case, check out the data at the frame analysis site.  Here's the Hightower:

http://linkagedesign.blogspot.com/2019/09/santa-cruz-hightower-2020.html

Note the curve vs something like the Transition Sentinel
http://linkagedesign.blogspot.com/2018/01/transition-sentinel-29-2018.html

From the reading I've done (with no expertise) a curve that stay at or under 2.3-2.5 is better for heavy folks.  Shocks have longer stroke and can be run at non-maxed out air pressure. 

6
29er / Frames / heavier riders / leverage ratio
« on: April 20, 2020, 05:05:17 PM »
Been reading up a lot prior to my first ever MTB purchase.  A thread about 'clydesdales' (me - 250 lbs) and leverage ratios sent me down a rabbit hole.  I know you can have fun on any bike, but figure I should get something that will work best for me.

MTBR thread:  https://forums.mtbr.com/clydesdales-tall-riders/clyde-friendly-leverage-ratios-1099505.html

With that in mind I pored over this website - amazing amount of data:  http://linkagedesign.blogspot.com/

Researching so far, the following bikes seem to have the linkage/ratio characteristics that would be more optimal:

Diamondback Release
Transition Sentinel and Smuggler
Guerrilla Gravity Trail Pistol (trail) and Smash (enduro)
BMC Agonist
Banshee Phantom
Guerrilla Gravity Trail Pistol (trail) and Smash (Enduro)

Before I start poring over all the Chinese frame specs (if accurate) - any that y'all know of that match these designs most closely?  I'm in on the AM831 Hightower group buy but even though it's a great bike I'm now questioning it based on the suspension travel/leverage.

7
29er / Re: Chinese SC/AM831 Group Buy
« on: April 16, 2020, 06:38:56 PM »
Quote from: sdplinker on April 15, 2020, 11:53:14 AM
Yes - Medium.  haven't thought about color.  Just watched the Pinkbike roadtrip series last night and the Hightower looked pretty good.  If this is a copy ... works for me.

Updated to size M based on the Santa Cruz website saying I'm a L (I'm right on the line of L/XL in SC sizing - most advice seems to say to size down).  Thanks!

8
29er / Re: Chinese SC/AM831 Group Buy
« on: April 16, 2020, 01:27:48 PM »
Watched some Hightower reviews - I'm confused on the sizing.  If I went to the store and bought a size L Hightower, am I choosing a L in this frame too?  Or a M?

9
29er / Re: Chinese SC/AM831 Group Buy
« on: April 15, 2020, 11:53:14 AM »
Yes - Medium.  haven't thought about color.  Just watched the Pinkbike roadtrip series last night and the Hightower looked pretty good.  If this is a copy ... works for me.

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