I don't know yet, haven't had a chance to ride - I can't make it work for me. Im just posting this for the hope that some good soul will read and reply with the magic help.
IT is light weight. Looks cool.

It doesn't have a SETBACK. My bicycle is a little small for me, so I really *need* to have my saddle all way back.
The set up is a mess up. You need much more balance to set up those bolts than to ride by a cliff. ;P

U.S.E.'s website is down. Hope someone from U.S.E. get to see my post and give me a hand here on making that work for me. Otherwise I'll just have to switch to Rock Shox or some other company without even giving U.S.E. a try. Customer service, guys. That's just like any bike component.

Only 3 Flamin' Chilis because Im neutral so far.

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Zoom suspension - just because it was *FREE*

Very smooth motion

clamp system

This seatpost is still stiction free after over 7 years/5000 miles of use on bikepaths/downhill/x-country.
Highly recommended!!

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USE customer service...adjustable pre-load...no need for a shim...

the post came with several millimeters of side-to-side play out of the box...clamp design...

here's the official word about the play issue: "This small amount of side play is 'normal' as if we made the slots too tight then the post would take for ever to settle in and actually work smoothly. Over time this amount will increase and when you feel it has become to much to bear, simply purchase a service kit and you should be good as new again.
We recommend that this is done annually, for normal amounts of riding, in order to prevent damage to the soft aluminium parts, better to fit a few bucks worth of bits often than have replace the whole thing!" ...I can't recommend this post b/c of the play...other than that it's a nice post...

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cane creek thudbuster...

Was nice for the first two rides. Seems to be well-respected by the cycling press.

A very annoying top-out clunking. Difficult to reach customer service.

I am very dissapointed with this product after six rides. After my first two rides, I was ready to become a walking bilboard for USE and what I felt to be an amazing improvement to my bike and the industry as a whole. I could stay seated on aggressive, rough climbs, and my butt didn't hurt so much after the tough rides, but now--unfortunately--I am contemplating going back to a rigid post and returning my purchase as a DEFECTIVE PRODUCT. The post has developed a very, very annoying top-out clunk when it returns back to its top position. At first, I thought maybe it was normal, and I just needed to stay firmly seated, but it has gotten worse to the point where I am now flung upwards out of the saddle and the post CLUNKS--sometimes several times in a ten-second period while descending. You either have to be pushing down on the seat with all of your weight OR just stand--kinda defeats the purpose, huh? Not only that, but USE is hard to contact--an international phone number, contact option on website does not work, and they will not respond to my e-mail--A REAL BUMMER. Sometimes I really think the bicycle industry is going backwards. It seems that the intentions are good, but in the end, the products just turn out like cheaply-made, high-priced toys. I want to see a real push towards durability and function rather than lightweight racing. So few actual bike buyers race and are gram-conscious, but everybody suffers from this trend. I've been riding seriously for a long time now--my last mountain bike was seven years old before I retired it. I am extremely frustrated to see that the expensive parts on my new bike can't even last seven days before developing problems. :(

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Takes the edge out of sharp hits, especially ones that catch you by surprise. Seems to be well made and durable. Looks less ridiculous than the Thudbuster.

As mentioned in other reviews, the bolt setup is kind of goofy and non-intuitive. It took me a few tries to get it lined up just the way I wanted but once I got it right, I haven't had to mess with it once.

I'm a Clydesdale, 6'4" and 230 lbs. When I rebuilt my trusty old Killer Vee, I ditched my old Mag 21 fork and replaced it with a Surly 1X1 fork. While it lightened the bike and sharpened the handling, it was like riding a brick, albeit a very light one. On small, sharp hits that I didn't have time to get out of the saddle for, it was, lets just say pretty unpleasant. I bought the ShokPost and the 27.2 shim (nicely made, BTW) and, at the same time, put on some Maxxis Holy Rollers (2.4 front, 2.2 rear) to give the bike a little more 'squish'. I am very glad I did. The action of the ShokPost is a little hard to get used to at first. It doesn't feel like you have rear suspension as much as it feels like your frame is flexing a little bit underneath you. You get used to it pretty quickly, though, and after a while you forget it's there until you hit a bump and realize that bump used to be alot more bone-jarring with your old seatpost. I haven't really noticed any lateral flexing and the action is smooth and linear after a little bit of stiction at first. I ride this bike alot more since I bought the ShokPost, so that has to be a good thing and I haven't regretted my purchase once. Buy one, your junk will thank you!

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Most everything. I love this post. Very well made. It's not made in China - All cheap cr*p. The English made some great quality parts.

Not really a weakness but the initial setup is somewhat time consuming. Once set up it's perfect.

Very, Very nice post. It performs flawlessly. Nice and smooth. Extremly well made. Best of all no outrageous marketing hype - Just good quality no nonsense part that works. Put this seatpost on a good steel frame with a Zochi in front and some XT you will have a very pleasant biking expirence, no matter where you ride.

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fairly light, simple design, price

none noted yet

i was having back pain that was putting a damper on my riding fun. put this on and ...NO more pain. absorbs small bumps smoothly. appears to be easy design to maintain although i haven't had to put this to the test yet.

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felt great when it worked

HEAVY AND VERY UNRELIABLE

A very unreliable product. do not buy this. i broke my first shockpost after only 2 weeks of normal use, bending it, and blowing out the elastomers (and i am only 150 pounds!!) so i sent it back, got a new one, and it was defective!! i set the preload way up, and went for a ride, hit one bump and the post went down but didnt come back up...at all!! it took a tremendous tug to get it back to normal, i would say that a 100 dollar product should be more releable than this. bottom line is don't waste your money on this. if you want suspension get a real suspensionn bike.

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Thiss thing works exactly as expected. It takes the bite out of the sharp lttle hits that used to cause me to stand.

None that I am aware of yet.

I thought suspension posts were just a bunch of hype until I tried one a a Mt Bike festival. Rode the same trail with and without a suspension post. The improvement was remarkable. My SX is a newer model with the same internal components as the more expensive model. With a suspension seat post you stay seated and crank your way through. I'm now riding trough stuff I used to get off and walk. It does not turn your hard tail into a dual suspension but for me and I would guess most riders it is better. Not much extra weight but a whole lot more control.

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Takes the bite out of sharp hits. As a result increases control

None noted thus far

Tried one at a Bike Festival and bought it after riding the same trail with it then my old stiff post. The increase in control in remarkable. You can stay seated and crank through the roots and cobble. I am now riding over and through stuff I used to walk. It is a great alternative to a heavy, expensive dual suspension bike. Plus it is alot easier to maintain. Try one - you will like it.

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