RockShox Monarch 3.1 Rear Shock

2/5 (8 Reviews)
Weight : 205 grams


Product Description

  • Damping Adjust: External rebound and Floodgate
  • Spring: Solo Air
  • Spring Adjust: Air pressure via single Schrader Valve
  • Body Material: Aluminum


Review Options:  Sorted by Latest Review | Sort by Best Rating

Reviews 1 - 8 (8 Reviews Total)

User Reviews

Overall Rating:1
Value Rating:1
Submitted by jhazard a Downhiller from Bayfield Colorado

Date Reviewed: August 16, 2010

Strengths:    Light?

Weaknesses:    Air valve degrades with use. Every time I've put air in it, it leaks out faster. Serious design flaw.

Bottom Line:   
Aired this shock up to 190 (my current weight). Rode for 1 hour, lost 100 psi. Aired it up again, rode 1 hr, lost 150 psi. Aired up again, rode 20 minutes, lost 170 psi. Aired up again, would not hold air as it all leaks out the valve where it swivels. Stay away from this shock. I'm moving to a coil assisted shock now.

Rated lowest because well, its not value if it does not work. After four rides, this shock is a complete failure. I don't want SRAM to fix it, I don't trust the product at this point.

Expand full review >>

Favorite Trail:   Anything gravity fed

Duration Product Used:   Less than 1 month

Price Paid:    $130.00

Purchased At:   private

Similar Products Used:   Closest product would be a Marz Rocco TST.

Bike Setup:   K2 Attack 2.0 - Manitou Stance flow 150mm, deore dual controld levers, xt front dr, deore rear, fire x cranks, i fly ibeam seat, deity stem, race face ride bars, velocity blunt wheels, wtb 2.5 tires.

Overall Rating:2
Value Rating:2
Submitted by Susan Dallam a Cross Country Rider from colorado springs, co

Date Reviewed: January 16, 2010

Strengths:    great product when it works

Weaknesses:    leaks like crazy, difficulty getting satisfactory warranty service

Bottom Line:   
If you can get this shock to work, it's great. 6 months after I purchased the bike, the shock bottomed out completely. It took me a while to figure out what the problem was. When I finally got a clue, SRAM sent replacement parts but would not replace the whole shock. Before I even got out of the driveway, the shock bottomed out again. This time SRAM refurbished it. 15 minutes into the first technical ride, the valve stem snapped completely off. I'm 5'8, 140 and an amature rider. SRAM, this is your last chance to make it right.

Expand full review >>

Favorite Trail:   palmer, the canyon

Duration Product Used:   1 Year

Price Paid:    $1400.00

Purchased At:   bikes direct

Similar Products Used:   Rock Shox on a 92 stumpy

Bike Setup:   motobecane phantom pro

Overall Rating:1
Value Rating:4
Submitted by jumper780 a Cross Country Rider from Harker Heights, Texas

Date Reviewed: November 22, 2009

Strengths:    -Great damping
-Supple yet doesn't bob like my old MC3
-Like the sag measurements on the arm


Weaknesses:    -Air leaks
-Bad valve
-Air leaks


Bottom Line:   
Look, I have had this shock for approx 6 weeks. After the first week I noticed that it was leaking air. Called RS and they told me to bring it in to my LBS so that the valve assembly could be replaced. Got it a week later. Had a race today and what happens....my shock started to bottom out (basically lost 60psi!) around halfway through the race. After the race I approached the SRAM tent and told them what happened. Some tech just tried to tighten the air valve assembly and said to call SRAM. He said I might have to have it rebuilt. OMG, after 6 weeks. I am giving SRAM one more shot to get this right. If not, then I will take the loss and switch to Fox or a Cloud 9.
C'MON SRAM lets get this right.

Expand full review >>

Favorite Trail:   Dana Peak

Duration Product Used:   3 months

Similar Products Used:   -Rock Shox MC 3.1

Bike Setup:   Haro Shift with all the goodies

Overall Rating:4
Value Rating:4
Submitted by avbcon12 a Weekend Warrior from Phila, PA, US

Date Reviewed: October 6, 2009

Strengths:    Works well once dialed in.

Weaknesses:    Along with the other negative reviews, these shocks (2.1,3.1.3.3,4.2) originally came with a faulty or loose air valve. Rockshox has fixed this issue now and will provide either a repair kit or a new shock. This should no longer be a negative since RS has fixed the issue, all you have to do is call them.

Bottom Line:   
These shocks work well once the air valve is repaired. I do prefer the lockout levers on the higher models.

Expand full review >>

Duration Product Used:   Less than 1 month

Purchased At:   PricePoint


Overall Rating:2
Value Rating:2
Submitted by JRK a Racer from New Jersey

Date Reviewed: April 19, 2009

Strengths:    The shock rebounds nicely, and with the gate full on it allows for stiff climbs.

Weaknesses:    The air stem valve is very awkward, the rebound adjustment knob is virtually impossible to adjust. My finger barely fits in the area provided. The gate adjustment is sketchy. You feel a difference only full on, or full off. Looses 30-50 lbs of air pressure after a day of hard riding.

Bottom Line:   
If you plan on riding hard, and weigh over 190lbs, don't get this shock. For a light weekend warrior the shock will suit fine.

Expand full review >>

Favorite Trail:   All of Allamuchy

Duration Product Used:   Less than 1 month

Purchased At:   pricepoint

Similar Products Used:   First full suspension bike. Always rode a hardtail with Manny Nixon Elite front shock.


Overall Rating:1
Value Rating:1
Submitted by Timbo83 a Cross Country Rider from Adelaide

Date Reviewed: January 2, 2009

Strengths:    Good feel, compression and rebound works well

Weaknesses:    Unreliable, leaks air, swivel head shock pump connection work itself loose and leaks, came with little oil

Bottom Line:   
Ive had this shock for 4 months now. I bought it as an upgrade from my 2006 Fox Float R. Installation and initial setup was very easy, aside from the rebound knob being very awkward to access, but it worked. After 3 short XC rides to run the shock in it developed a slow leak, losing about 10psi over 2 hours of XC riding. From their on it got progressively worse to the point where i would have to stop riding every 20min to pump it up again, otherwise it felt the bike felt heavy and sluggish. Rather than take up a warranty claim i took it to my local Rockshox rebuilder and upon opening up the shock it was found to have next to no oil left and the seals had therefore degraded and needed replacing. After it was fixed it then went another 12 weeks with no problems. In fact it ran like a dream. Then the swivel head that the pump connects to began to come lose and leaked so bad it wouldnt hold any air at all. That was fixed, but then the slow leak began again, and after a few rides it was losing 30psi every 45min. Ive now given up on this shock and on rockshox, and replaced it. I should have listened to my piers and stuck with another higher quality brand.....

Expand full review >>

Favorite Trail:   Fox Creek

Duration Product Used:   6 months

Price Paid:    $200.00

Purchased At:   chain reaction cycle

Similar Products Used:   Fox RP2

Bike Setup:   Cannondale Rush with lefty

Overall Rating:1
Value Rating:1
Submitted by georgeisslim1 a Cross Country Rider from england

Date Reviewed: August 17, 2008

Strengths:    rock shock monarch 3.1 ok as rear shock does what u want it to do

Weaknesses:    do not inflate past 210 psi because your seals will pop and i have had this happen 2 in three months alltho it does sate 275 psi on the side of the shock hmmmmm

Bottom Line:   
if you have monarch shok change 4 somthing else dont what but i am not happy with the product

Expand full review >>

Favorite Trail:   dolby forrest north yorkshire

Duration Product Used:   3 months

Price Paid:    $1200.00

Purchased At:   halfords

Similar Products Used:   scots own shock much better even had lock out

Bike Setup:   rockshock revelationt forks shimono xt gears avid 3 brakes gt i drive frame

Overall Rating:4
Value Rating:5
Submitted by NiXO a Weekend Warrior from Russia, Moscow

Date Reviewed: May 9, 2008

Strengths:    Strong, relieble, works fine on any trail, eats small bumps with floodgate almost fully activated.

Weaknesses:    Rebound adjustment affects floodgate settings a little bit, but it's not a bad thing. U just have to turn shock right.

Bottom Line:   
This shock lacks quick adjustment lever (Monarch 4.1). In all other cases its a good shock for the money.

Expand full review >>

Favorite Trail:   Moscow

Duration Product Used:   6 months

Price Paid:    $230.00

Purchased At:   Came with bike

Similar Products Used:   Fox RP23

Bike Setup:   Haro Xeon'08, Fox fork, Avid Jcy5, RS Monarch, Hope/Sun-ringle, XT

Reviews 1 - 8 (8 Reviews Total)

Review Options:  Sorted by Latest Review | Sort by Best Rating


What is the current replacement shock for a '08 RS Monarch 3.1?

OE on my old Iron Horse. 7.5" x 2". No platform. No lockout. Just air and rebound damping. I never had trouble with mine until just lately when the air leaked out of it. Then I saw the reviews and everyone said they leaked so I am a little leery of bothering with a rebuild kit. What is the ... Read More »

Rock Shox Monarch 3.1 Rebound Knob

Hi Guys. I just purchased a used RS Monarch 3.1 from ebay and can't get the rebound knob to move more than a few millimeters. I am in the process of trying to return the shock to the seller but would like to see if maybe I'm doing something wrong. Has this happened to anyone else or is this norma ... Read More »

How to interchange hardware between RockShox Monarch 3.1 & Fox RP23 Rear Shocks

Hi. I have a Jamis Sixfifty B2 frame, which came with a RockShox Monarch 3.1 rear shock but will have it replaced with a Fox RP23 shock. The reducer hardware for the 2 units is not the same, so need to remove the hardware on both units and invert them. How can I do this myself? I saw a Fox servi ... Read More »

Rock Shox Monarch 3.1 maintainence

Ok, so last year I bought my first FS Bike that came standard with a Rock Shox Monarch 3.1 shock. Havent rode all winter but now that warmer weather is near I have some questions :) 1. I pumped up my shock to 165psi last night cause I want to recalibrate the shock and set the sag correctly, how ... Read More »

Monarch 3.1 wont hold air

I have a KHS 555 with a Monarch 3.1. The bike rides fine, but the shock loses presure overnight (goes from 145 to 100 or so), and I have to air it up nearly every ride. THis is a huge pain in the butt. I have sent in the shock for service (and a new valve which appears to be a common issue) and ... Read More »

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