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Item # RSX000M

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  • Black, 31.6mm diameter, 380mm length, 125mm travel, Right ($349.99)
  • Black, 34.9mm diameter, 430mm length, 150mm travel, Left ($348.99)
  • Black, 30.9mm diameter, 355mm length, 100mm travel, left ($349.99)
  • Black, 30.9mm diameter, 355mm length, 100mm travel, right ($349.99)
  • Black, 30.9mm diameter, 380mm length, 125mm travel, Left ($349.99)
  • Black, 30.9mm diameter, 420mm length, 125mm travel, Right ($314.94)
  • Black, 31.6mm diameter, 380mm length, 125mm travel, Left ($349.99)
  • Black, 31.6mm diameter, 420mm length, 125mm travel, Left ($378.99)
  • Black, 34.9mm diameter, 430mm length, 150mm travel, Right ($348.99)
  • Black, 30.9mm diameter, 380mm length, 125mm travel, Right ($349.99)
  • Black, 30.9mm diameter, 420mm length, 125mm travel, Left ($348.99)
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Item # RSX000M

The best just got better.

It's well known that dropper seatposts are changing the face of mountain biking. And as you probably know, the RockShox Reverb has emerged as a leader in this field due to its weight, 150mm of adjustability, and smooth action. However, the Stealth version, featured here, builds on these strengths by improving the cable routing.

One of the more immediately noticeable features of the Reverb Stealth is its actuator button. Exclusive to RockShox, the hydraulic actuator system provides smooth control over your saddle height. When we first heard that the Reverb employed a hydraulic remote, we were dismayed at the thought of bleeding a seatpost. However, the Reverb has proven to be so smooth and reliable that its hydraulic remote has come to be one of our favorite features. And while the competition's cable actuated posts seem simpler on the surface, clumsy levers and gummed-up cables have made us thankful for the Reverb's buttery, push-button actuation.

The Reverb's hydraulically controlled air spring keeps the post compressing and extending with the same freedom of movement as a well maintained suspension fork. And unlike most of the available dropper posts, you're able to lock the Reverb at full height, full bottom, or anywhere in between. So, you won't have to struggle to find the correct seat height while you're ripping down the trail.

The cable routing is what sets the Reverb Stealth apart. By routing the cable through the seat tube, rather than off of the head of the seatpost, RockShox eliminated the large cable loop found with most dropper posts, including the standard Reverb. Attaching the actuator cable to the head of the seatpost creates a loop of excess housing, which requires careful cable placement to keep that loop away from tires and suspension linkages. The Stealth solves this problem by running the cable through a hole in your frame. Many modern frames are built with "Stealth" routing holes already installed, and older models are typically able to be modified for fitment by a qualified bicycle mechanic.

The RockShox Reverb Stealth Seatpost is available in 30.9, 31.6, and 34.9mm diameters and with either a 125 or 150mm drop. Seatpost lengths run 380, 420, and 430mm. And just for clarity, the Reverb's hose length is 2000mm.

  • Hydraulic hose routes through the seat tube
  • 125 and 150mm lengths
  • Infinite adjustability
  • Two-bolt head

Tech Specs

Recommended Use:
all mountain, trail
30.9 mm, 31.6 mm, 34.9 mm
380 mm, 420 mm, 430 mm
Actual Weight:
Black, 31.6mm diameter, 380mm length, 125mm travel, Right: 570g; Black, 34.9mm diameter, 430mm length, 150mm travel, Left: 570g; Black, 30.9mm diameter, 380mm length, 125mm travel, Right: 570g; Black, 30.9mm diameter, 420mm length, 125mm travel, Left: 570g
Manufacturer Warranty:
2 years

Reviews & Community


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Saddle Height Adjustment on the fly

  • Familiarity: I've used it several times

It's not a necessity but it is nice for more aggressive riding styles. Quick connect for hose is very convenient for installation. Seatpost comes with reverb oil and syringes. Dial at lever allows you to adjust the speed of the return on dropper. If you are setting up a one by system on your bike you can reduce your bar clamps by using the lever for your left brake lever. I found myself adjusting my seat height more often on a ride. It makes riding switchbacks and technical terrain more confidence inspiring being able to get the seat out of the way.

Do it right

  • Familiarity: I've used it several times

I chose the RockShox Reverb Stealth dropper post for my Santa Cruz 5010. It just doesn’t make sense not to have a dropper post and I had no idea. You do hear about the issues that come up with the droppers but all in all it is way worth it. As with everything in the cycling realm you want to keep your bike mechanic friend close.

Do it right
Unanswered Question
Avg. ride time: 1h 49m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

When are you guys going to have the new reverb in stock?

what is the minimum height of the post when fully extended? (equivalent to the height fully extended when slammed against the seat tube, or the height from the bottom of the ring in the middle to the top of the post) tks!

found another site lists the stack (top of seat tube to seat rail - fully inserted and extended) at 215mm for the 150mm model and 190mm for the 125mm model.

Installed on Juliana Joplin

  • Familiarity: I've used it several times

I took my time but was easy to install on my wife's MTB (which was also bought from BackCountry). Even with tight,internal hydraulic lines, I left enough play to allow 3 or so Inches of Frame/Post adjustments. So much nicer than my mechanical, non-stealth Giant dropper post.

Do these come with the connectmajig?

Hey Derrick,

The RockShox Reverb Stealth Seatpost comes with everything you need to install it on your bike frame, as long as your frame can accommodate stealth routing. By connectmajig I am assuming you are talking about the handlebar lever or maybe the seatpost clamp? Feel free to contact me directly if you have additional questions on the RockShox Reverb and I would be glad to help you figure out if it comes with what you need,


The connectmajig is a quick release collar that connects the hose to the bottom of the post. This is so the post does not have to be bled every time the post is disconnected.

So far some reverb stealth does come with it and some do not.

I have not been able to identify those with this and those without the connectmajig but if you google the word you will see exactly what I mean.

Hey Derrick!

These guys ARE shipping with the connectmajig.


Unanswered Question

How difficult is this product to service by a consumer? Is there a rebuild kit available? What is the turn around time for warranty repairs?

Avg. ride time: 12m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Get a dropper

  • Familiarity: I've put it through the wringer

This review is less about the Reverb in particular, and more about dropper posts... GET ONE. I've been guilty of slight weight weenieness in the past, and considered a dropper a luxury for downhillers that's not worth the weight going up, but now I see the light and won't build another bike without a dropper. The mobility you gain on the downhill by getting the saddle out of the way is a big boost to your confidence and fun factor.

Luxury? It's a necessity

  • Familiarity: I've put it through the wringer

I could switch out a lot of components on my bike without much second-thought, but not my Reverb Stealth. I'd put up a good fight to keep it on my bike.

I was surprised how much of noticeable weight was added to my aluminum frame Bronson. Honestly, I could offset the weight by losing a few pounds myself.

I'm addicted to the added benefit and you will be too! I put the 30.9mm diameter, 380mm length, 125mm travel, right on my Santa Cruz Bronson

Avg. ride time: 10m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


  • Familiarity: I've put it through the wringer

I think the argument whether or not dropper posts are a good or worthy development in mountain biking has been settled (they are), so I’ll spare you and say that I’ve had two Reverbs and have never needed to service or warranty either. I’ll also re-iterate JTrue’s Pro-Tip as I made this mistake once: Order the right hand version and mount the clamp on the left side upside down. Keeps the remote trigger protected

I have seen a few come back through the shop and have had good luck getting rockshox to replace them.

So far so good

  • Familiarity: I've put it through the wringer

As most other reviewers have mentioned, the upgrade to a dropper post is AWESOME. Definitely the best upgrade I've ever made to a bike. This post is easy to install and you probably won't have to re-bleed the hydraulic line as part of the install as long as you're careful. I'm about a 4/10 in terms of mechanical savvy when it comes to my bike and I was able to install this in about 15 minutes with no hiccups. One thing to watch out for is the torque spec on the seat collar. If you over tighten the collar you can cause the dropper post to jam up a bit and get choppy on the rebound. Backing off the torque on the seat collar a little bit clears up the issue.

As far as the function of the post is concerned, I've been pretty happy. I've had the post on my bike all summer and I haven't had any major issues. The rebound speed is easy to adjust and the post still locks in solid without any up/down or rotational play. The one thing that I have noticed is that if I leave my bike sitting for a while between rides, the dropper can get somewhat stuck in the 'full up' position. I've never had it totally stuck, but have had to push extra hard the first time to make sure the post drops correctly and smoothly. Not a deal breaker yet, but does give me a little bit of pause about how long it will be before I need to get it serviced.

game changer

  • Familiarity: I've put it through the wringer

these things seriously make a world of difference, one day all bikes will come with these (i hope) but for now if you have the extra cash laying around, GET ONE! no more stopping on the trail to adjust a seat post. its all at the finger tips.

Go To Dropper

    Have these on all my bikes, no issues so far, reliable and durable. Pro-tip: Order the right hand version and mount the clamp on the left side upside down. Keeps the remote trigger protected!

    So Far So Great

    • Familiarity: I've used it several times

    I've had the reverb on my Nomad for about a month now and I'm very happy with it. I got the right-hand lever model and flipped it to use on my left side for a better feel. It actuates just as it should and has a very straightforward bleed-process.

    The one thing I don't like is the location of the bleed port. I understand why it's located there, but being on the bottom of the post it takes some time feeding cable through the tight frame routing seals in order to remove the post and perform a bleed.

    Lightning fast changes but good and bad.

      The dropper is really a great product and by far the best out there. Its allows for super fast changes on your riding terrain without even thinking about it once you get used to it.

      It does beat the extra time it takes to normally change a seat post for sure but if your not riding mostly descents I have to say that the weight of the post effects your riding far to much for the benefits.

      I say this because if you add 3lbs roughly to the back of any great bike its going to affect its pedaling greatly. I ride mostly XC and AM and my riding suffers from it on the XC and light AM because of the weight. I have never been a weight weanie for anything but when I added this to my bike it really changed my riding on certain terrain for the worst.

      If backcountry had their old return policy I would return it for the cable version because switching it out would be easy and fast and worth it for certain rides. Now I just put up with it but my flicking the bike around and climbing suffer from its weight.

      I recommend the post for sure but go with the standard version if you want the option of changing your riding styles and posts. For every plus there is a minus...

      I don't get this comment. 3 pounds? The thing only weighs 570 grams at most (about 1.25 pounds) and the lightest seatposts around weigh about 200 grams, less than a pound difference. You MAY feel the difference but it can't be THAT big of a difference, can it?

      Avg. ride time: 10m per week
      • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

      Pretty damn cool!

      • Familiarity: I've put it through the wringer

      Thinking about dropping $455 on a seatpost? Don't get carbon, get this seat dropper! It's a lot to put down on a seatpost, but so is your ass so stop complaining.

      Truth be told, seatpost droppers allow you to stay on your bike longer, and as a result, allow you to have more fun on your days away from your 9-5 office job.

      Amongst all the seatdroppers in the world, the Rock Shox Reverb is the holy grail. Durable, sexy, and adjusts like butter. If you are considering a seat post, consider yourself foolish if you do not get the Reverb.

      Love the post, too much work

      • Familiarity: I've put it through the wringer

      I purchased a Santa Cruz 5010 a couple months ago which came with the Reverb Stealth, and like everyone told me it has completely changed my riding. That really frustrates me, because this seat post has become a pain. The seat has locked out in the up position multiple times, requiring bleeding the system. At first I thought I was just doing it wrong, but I took it to a great bike shop and they fixed it, only to see the problem a couple weeks later.

      Great piece of kit, if you can keep it working.

      Game. Changed.

        I've been using my Reverb Seatpost for about a month now - and there's no way I could ever go back to a regular ole seatpost.

        Simply couldn't hack it.

        I'm a fairly poor climber, so anything I can do to boost my efficiency is highly desirable. I absolutely appreciate the ease and simplicity of changing the seatpost height, especially here in Utah as the terrain is so varied. There are tons of rides where the trail is mixed climbing and descent, so the seatpost is worth it's weight in gold.

        I absolutely do not miss the hassle of hopping off and adjusting the height every time I find myself climbing or descending. And now I pity my riding partners who are chained to this effort

        Sometimes I feel like it's cheating!

        I'm saving up to purchase one of these for my mum.

        She has NO idea what is coming, best Christmas ever.

        Hey Lexi, I'm looking to change my game! Would you recommend the Lev or the Reverb? Seems like the Reverb has a better reputation.

        Mitch - I'm a total bike goober. I can't make a decent or knowledgeable bike recco to save the world. I've been really happy with this one, but I know next to nothing about the Lev.

        I'll send you an e-mail to hook you up with my bike rep buddy, Don. He can set you straight.

        Mitch, i have experience with both the lev and the reverb. I have to say the reverb is just better. I cannot comment on durability of the lev since ive only had it about a month, but i had no durability issues with the reverb and i rode that hard for a year.

        The reverb is hydraulic and the lev is cable actuated. The lever on the ks lev is not smooth and takes a little effort and fine tuning to make it operate well, you also have to size the cable right, if it's too long it will kink and the post wont work.

        With the reverb, you can have the hose long inside the frame no big deal, doesnt kink real easy and works well without much hassle. THE BIG THING about the reverb is the smoothness in which it operates blows the lev out of the water. I wish I hadnt sold it with my old bike because now I am going to buy another one and get rid of the lev.


        • Familiarity: I've used it several times

        This is the second dropper post I've used & much like the other it simply works. However this dropper post is better in many ways. The infinite travel is one way it is better. Also the force the dropper post extends at is much less aggressive which makes this a lot safer for the male anatomy. Lastly it is responsive. I push the button & it drops. I push it & it extends. There's no lag or forceful pressing to accomplish the desired task.

        Overall this dropper post does exactly what it was intended to do but it does it much better than what I'm used too. (Specialized Command Post)