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Harmonius Wrench
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Patience everybody!

I just gave the good Captain a tutorial on picture posting, so it'll happen here in a bit. :D

One comment: The Mamasita is known for the vertical compliance in the rear, but I want to point out that it's also one of the most laterally stiff frames in the rear I have been around. I was trying to flex Captain Bobs rear triangle when he wasn't looking on that Mamasita and it wouldn't have any of that! :p

Made my Raleigh look sick and noodly, it did!
 

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Nice. Very nice. Had my Mamasita for a few weeks now. I still can't get over how fast and fun this bike is. Its a root-destroying-rock-garden-murdering beast. I wish I could buy one for everyone.
 

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Harmonius Wrench
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Well, actually..........

arrow said:
How do you like your geax tires?
They really are not his tires, and they really are not my tires, even though I lent them to him to try out. Confused yet? ;)

Anyway, I rode them for a bit in wetter, tackier conditions and I thought they worked quite well. I wouldn't say they were any thing too great in off camber or hard cornering in the stuff I rode them in, but not many tires could've hung with those conditions.

Captain Bob has spent most of his time on them in dry, hardpack, so hopefully he can chime in on them here for you.
 

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Discussion Starter · #8 ·
so far so good.

I like fast tires & these have not let me down. They roll a bit faster than the Geax Sedona's did on my 26er. Loose gravel cornering is an issue so far. Everything else has been what I want in a tire. I rode in perfect soil last night and finished up my ride in a down poor of rain without any traction issues. I'll post more later, sorry.

Captain.
 

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Good info!

I'm new to the 29er thing and have just built up a Zion 737 with the same fork (Black OPs) and Geax tires (on Blunt rims).

As much as I love the Zion's ride, I find the frame quite flexy - especially under power. I was originally eyeing the Mamasita but wanted to start with an affordable frame until I determined (rigid) 29er was for me. I also wasn't sure how laterally stiff the Mamasita actually was.

As for the Geax tires, they're my first real 29er tire (ran a Bonty 1.75 and Ritchy Zed on my flat-bar cross bike for awhile) and these things rock! They remind me a of a beefier Hutchinson Python. Mounted with 26" Michelin latex tubes and the wide Blunt rims, I'm able to ride at 25f/27r psi despite my 184lbs weight. Even at those pressures the tire's sidewalls still resist rollover and yet manage to absorb a lot of the 1-2" stuff.

Captain, you don't miss the outside chainring guide on your 1x9 setup? I've tried a few weeks w/o one and have droped the chain several times to the outside despite the tight chain (not really the case in the smaller cogs though) and SRAM X9's super short cage and 3rd eye inner guide. My flat bar CX has the same setup except with an outside chainring guide and I have yet to drop the chain in over 9 months. I have ordered a Salsa Ring Dinger for the 29er.
 

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Discussion Starter · #10 ·
flex

fritZman

Some of the flex you may be feeling could very well be that fork. I have the same one and I think it's quite flexy near the dropouts. I swapped it out for the Switchblade and it stiffened the whole bike right up. I went back to the ops and decided a little tracking flex is okay. It absorbs more than the switchblade.

The tires...man, I love them. I weight 215 and run the same 25-27 lbs as you without any issues.

A dropped chain? In the 700 or so miles I have on this bike (with this set-up) I have not once dropped a chain. I run 8 speed for one and I think that helps. I think the main reason for not dropping a chain is due to the chainring. It's a stainless steel Surly. Long teeth and super strong. I have drug it over a couple logs & it is still true as new.

Captain.
 
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