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Item # RSX000L

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  • Black, 30.9mm diameter, 355mm length, 100mm travel, Right ($329.95)
  • Black, 30.9mm diameter, 420mm length, 125mm travel, Right ($329.95)
  • Black, 31.6mm diamter, 420mm length, 125mm travel, Right ($329.95)
  • Black, 30.9mm diameter, 420mm length, 125mm travel - Left ($329.95)
  • Black, Black, 31.6mm diameter, 420mm length, 125mm travel - Left ($329.95)
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Item # RSX000L


Perfect saddle height—instantly.

Now the norm, when dropper posts first showed up they were heavy and finicky (the HiteRite aside, of course). Adjustable seatposts have come a long way since then, and now products like the RockShox's Reverb take advantage of extensive suspension technology in order to provide smooth, slop-free operation.

By opting for a hydraulic actuation, the Reverb is the first post to eliminate any mechanical connection. Hydraulics may be cause for alarm, but if you're running disc brakes they're more than likely hydraulic — not to mention that they share the same, basic principles. Expect the Reverb to be as reliable and easy-to-service as any modern hydraulic disc brake. RockShox is so sure of hydraulics that it uses it to operate its remote fork lock-outs, too. In fact, both the Reverb and RockShox suspension lock-out systems use a bar-mounted XLoc remote.

This system uses 2.5-weight fork oil, and comes with the necessary materials and instructions to shorten and bleed the line. It won't become contaminated with grit like cables, and it's also lighter than a comparable cable-actuated unit. Fluid in the line opens and closes the Reverb's main oil-flow valve, allowing the post to drop. Meanwhile, the aluminum knob at the lever controls how fast the post returns to its static position. The post has either 100 or 125mm of travel, and its height is infinitely adjustable.

RockShox has an advantage over other dropper post designs due to its extensive suspension technologies. For example, the seals used are optimized to prevent contamination from dirt and water, and just like fork seals, they're free from friction out of the box. You'll also find an IFP, an internal floating piston, which is another shared technology from RockShox's forks and shocks. The IFP prevents the oil from mixing with the air preload, and it also provides a buffer if your buddy decides to lift the saddle up without pressing the XLoc button.

Both the post shaft and head are constructed out of forged 7050 aluminum and they're anodized for durability. Longer-than-average clamps support the saddle rails, which simplifies saddle fore and aft adjustment, as well as tilt, by making the two bolts easy to access. Markings on the head and clamp also assist with fine tuning.

The XLoc remote is compatible with MatchMaker X mounts in order to allow integration with brake lever and shifter clamps. Reverb posts are available with 30.9 and 31.6mm diameters, and in the 125mm-travel option, a 420mm length. The 100mm-travel post comes in a 30.9mm diameter and with a 355mm length. All Reverb posts have zero offset, and to further enhance ergonomics, it's available in both left and right configurations.

Tech Specs

30.9 mm 31.6 mm
100 mm 125 mm
Drop Range:
100 mm, 125 mm
Recommended Use:
all-mountain and trail riding
Manufacturer Warranty:
2 years
Actual Weight:
Black, 30.9mm diameter, 355mm length, 100mm travel, Right: 520g Black, 30.9mm diameter, 420mm length, 125mm travel, Right: 520g Black, 31.6mm diamter, 420mm length, 125mm travel, Right: 535g

Reviews & Community

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RockShox Reverb Dropper Seatpost

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Here's what others have to say...

5 5

Great Dropper

  • Gender: Male
  • Familiarity: I've put it through the wringer

I've had one of these for about 8 months now and I am very pleased with the continued top notch performance. It operates as smoothly and reliably as the day I installed it. Installation is very simple (there are some great instructional videos out there), and if done carefully, it is not necessary to bleed the actuator hose. It can take a little bit of time to get the routing just right and to set up the hose "loop", but there are several ties and a neat hose guide included with the unit.

I have recently purchased a new bike and outfitted it with the KS Lev dropper. While the KS is a solid piece of equipment, I believe I prefer the Reverb - it just seems to operate a little more smoothly and never sticks, whereas the Lev sometimes needs a little "bump" to unstick it when it has been in the down position for awhile.

As others have said below, if you have room (ie no front shifter on the left side of the cockpit), it is a great idea to order a right hand trigger and place it under the left side of the handlebar. Make sure this will work for you though as the trigger is left or right side-specific. Also, make sure you order the right length.

One thing is certain...I will NEVER not have a dropper post again. It has improved my riding and increased my enjoyment. I use it constantly, and once you get accustomed to it, you'll find yourself moving your seat up and down unconsciously.

Keep the rubber side down

5 5

Right on the money!

  • Familiarity: I've put it through the wringer

Woah, I knew I should have bought one of these sooner! Just couldn't sacrifice spending the money, as they are pricey! But, unlike other things, this was money well spent! I wouldn't know what to do without it now. Was easy to setup, shorten line, and bleed. Very simple! So far, this product has been reliable, no issues what so ever! Just a FYI, there is a slight side to side movement of the saddle once installed. This is normal, and cannot be felt while riding.

Right on the money!
5 5

Add more cables to your bike

I was so stoked to get a dropper after years of adjusting my seatpost with a quick release multiple times during a ride. It took a little getting used to. On my first ride I accidentally shifted when I tried to raise my seat on the fly. I could see why people would get the right handed option and put it on the left for when you flip your bike upside down to clean it. I haven't had an issue yet with the long loop of cable that expands and contracts every time I adjust my seat. It does require a little extra care when you throw your bike on a stand though.

4 5

Good Dropper

  • Familiarity: I've used it several times

*remember to order opposite side lever if you plan on mounting under your bar.

Is this a 2014 model?

Is this a 2014 model?

Responded on

Hey Kyle,

Based on our info it looks like we should only have the 2014 model in at this point.

3 5

Decent Dropper

  • Familiarity: I've used it several times

I like this dropper but there are some things that it could do better. The action and the adjust-ability of the seat post is great. I prefer to flip the lever over and mount it upside down on the handlebar, which allows for you to push the button down more easily and also protects the button if you flip your bike and need to place it upside down to do some quick field maintenance. This is the great part of the reverb, the only thing I don't like is that the hose attaches to the top part of the seat post which move the entire hose when you change the height of the seat post. The KS Lev has the hose mounted at the base of the seat post, close to the seat post clamp which holds the hose more static during use. The stealth version of the reverb does not have this problem but the normal reverb does. All in all it is a solid dropper. If you have any questions about this or any other dropper please give me a call and I would be happy to talk to you about them.

Here is my contact information: My direct line 801.736.6396 ex. 4389. Feel free call to me anytime, I?m always happy to talk about bikes or gear or the weather. Whatever works! I?m here Mon, Tues and Friday 1:30-10pm MST and Saturday 9-5:30 as well as Sunday 10-7. I look forward to speaking with you.

The image shows the "stealth" version, but...

The image shows the "stealth" version, but the title and description don't mention that feature. Is it in fact the "stealth" model? Also, if I order it even though it's not currently in stock, how long does it take to actually get it from the distributor and [ultimately] to me? Are we talking a few weeks or will it be months? TIA.

Responded on

This is not the stealth version. The stealth version's cable goes directly into the bottom of the post.