Fox Racing Shox Float RP23 Rear Shock

3.67/5 (66 Reviews)
Weight : 213 grams MSRP : $420.00


  • Store Price

Product Description

  • XC, Trail, All-mountain riding style
  • Adaptive Logic
  • Air spring pressure
  • Rebound adjust
  • Kashima Coat
  • Boost Valve


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Reviews 1 - 15 (66 Reviews Total) | Next 15

User Reviews

Overall Rating:1
Value Rating:1
Submitted by Mark a Cross Country Rider

Date Reviewed: March 18, 2012

Strengths:    When it works it seems fine/ good. Gives confidence and speed on most terrain

Weaknesses:    I have had an EX8 (2010) for 2.5 yrs and my 4th rear shock just went. Won't hold air through 5-10 compressions, pressure down from 150 psi to close to zero. I do not do anything extreme at all, so this thing breaks under v modest stress

Bottom Line:   
It seems fine when it works and I am the only one in our group to have had issues. But 4 failing in just over 2 years, with only about 40 cross country miles a week? Fox needs to fix/ explain

Expand full review >>

Favorite Trail:   United Kingdom

Duration Product Used:   2 Years

Purchased At:   UK LBS

Similar Products Used:   None

Bike Setup:   Trek ex8 (2010) - standard

Overall Rating:5
Value Rating:5
Submitted by winsail a Cross Country Rider from Soquel

Date Reviewed: February 21, 2012

Strengths:    Great climbing uphill, plush on the downhill. This is a 2010 non-boost valve shock and it works great. It came with a high volume can and the standard one. I have tried it both ways and it is great either way.

Weaknesses:    Flipping lever..well not really

Bottom Line:   
Buy this shock if you're a x-country or all mountain rider who pedals uphill. It works fantastic. If you're a down hiller or Free rider who walks up it would still work but why not buy a more substantial shock. For it's intended use it cannot be beat.

Expand full review >>

Favorite Trail:   Enchanted Loop

Duration Product Used:   1 Year

Price Paid:    $50.00

Purchased At:   Craigslist

Similar Products Used:   Rock Shox Monarch, Flox float R, Giant branded shock

Bike Setup:   Jamis 650b2 nothing stock with Fox rp23

Overall Rating:5
Value Rating:4
Submitted by pmoney a Downhiller from victoria,b.c.,canada

Date Reviewed: January 30, 2012

Strengths:    2012 Fox RP23 with Kashima and adaptive logic.Compression tune m,rebound tune m,velocity tune 175.Feels a lot better than my old xcish RP23

Weaknesses:    none so far.

Bottom Line:   
Huge difference in the feel pointing down.The shock instantly felt more linear than my old RP23.My old one was biased towards going up this one is biased towards going down.The Adaptive logic has the firm propedal setting then three settings for open,light and medium propedal.Open feels great it feels very linear and small bump is excellent.This is the RP23 that DHers have been wanting for there trail bikes.That being said it does suffer some in the climbing department,it seems to bob more than my old RP but it is not a huge difference.I am still playing with air pressures.Overall I am very pleased with this shock and would recommend it.

Expand full review >>

Favorite Trail:   platinum

Duration Product Used:   Less than 1 month

Price Paid:    $300.00

Purchased At:   pinkbikeo

Similar Products Used:   Older model RP23,DHX5,RC4

Bike Setup:   Transition Covert

Overall Rating:1
Value Rating:1
Submitted by jhammer a Cross Country Rider from Joplin Missouri

Date Reviewed: January 24, 2012

Strengths:    Looks good works good when it works

Weaknesses:    Failed less than 3 months

Bottom Line:   
This at first seamed like a good shock did not take me long to tune to what I needed, but has broken in less than 3 months the blue lever is stuck and will not move to pro pedal and the shock all of the sudden is allot more active and is no longer adjustable.
I sucks I had there first gen fox float rear for years no issues on rebuild kit in 5 years of ridding then I had a Titus with the RP3 no issues ever so I was sold on Fox I purchased this Spearfish a few months ago a great bike by the way, I upgraded the rear shock to the Fox RP23 but what a disappointment they are not up to the same standards as the old shock bummer.
I'm about to see how there warranty process goes. If you by one good luck it seems that new is not always better.

Expand full review >>

Favorite Trail:   Womble

Duration Product Used:   3 months

Price Paid:    $350.00

Purchased At:   LBS

Similar Products Used:   RP

Bike Setup:   2011 Salsa Spearfish

Overall Rating:3
Value Rating:3
Submitted by eshew a Weekend Warrior from Seattle

Date Reviewed: September 8, 2011

Strengths:    Works great when you get the right tune & air pressure

Weaknesses:    Way to many tunes make it difficult to make it work well with different bikes without trial & error.

Very little consistancy from year to year in terms of feel. BoostValve harshed my ride (could work well for different weights or geometry)


Bottom Line:   
Good shock. Good adjustability.

Has 3 Compression and 3 Rebound tunes. If you buy the shock with a compression tune too low or high the shock sucks. If you get it right then it's great!

Now with the Boost Valve there is even more room for error. If you get the tune wrong the shock will either be too stiff or too plush.

I've got a 2009 RP23 that felt amazing but had a tendancy to botom out too easy. Aside from that the propedal worked awesome & it worked great for 95% of my riding.

Decided to upgrade to the new 2010 RP23 with boost valve, sadly it isnt as good as I thought it would be. The shocks have the same tune and the BV (2010) shock has a 175psi bv setting. Problem is the shock now feels too harsh through the entire travel & the propedal is not nearly as effective because the shock is so much stiffer when the pp is off. Overall not thrilled.

Way to much guesswork & luck involved.

I think I'm going to go back to my 09 shock & play with the volume spacers Fox sells to make the tail end of the travel more progressive.

Expand full review >>

Favorite Trail:   Growlers & Galby

Duration Product Used:   1 Year

Price Paid:    $200.00

Purchased At:   online

Similar Products Used:   Fox (96)Alps 4, (07)Float R, (02)RL, 09 Rp2, 09 Rp23 & 2010 Rp23 w/ boostvalve.
Fox Vanilla RL, Romic, Avalanche DHS


Bike Setup:   2008 Kona Dawg frame, everything else custom.

Overall Rating:1
Value Rating:1
Submitted by MBA a Weekend Warrior from San Diego

Date Reviewed: September 8, 2011

Strengths:    Looks cool, holds air so far.

Weaknesses:    Dials do nothing so far.

Bottom Line:   
Came with my new bike. I have only 90 miles on it, but the shock dials do nothing. I went to my LBS, played with another bike that had the same shock, appeared to do nothing as well.

Break-in period?

Expand full review >>

Favorite Trail:   Noble

Duration Product Used:   Less than 1 month

Purchased At:   Ellsworth

Similar Products Used:   '04 Fox Triad, works great.

Bike Setup:   '12 Ellsworth Ephipany, '12 Talas RLC, XO components.

Overall Rating:3
Value Rating:1
Submitted by Haines Mountain Biker a Cross Country Rider from Haines, AK. US

Date Reviewed: September 2, 2011

Strengths:    Responsive, light, same air sleeve kit forever. Simple air sleeve rebuild. Excellent performance for XC. Can't live without a 3-way everyday but like she said, its complicated.

Weaknesses:    Rebuild every 50 hours?!? That's once every 5 weeks for me. Wife can't imagine why I'd like something so high maintenance. Rebuilt 4 times in 6 months due to awkward noises. Then the rebound crapped out and spewed fluid everywhere dramatically long way out. After pogo home I sent to Fox for repair. AKA bike out of commission for 3 weeks. Reliability is deplorable. I took a class on this in college, I'm an Engineer, It's called design life engineering. I'm looking for the Dodge Dart of shocks. You know the Ford Falcon of bounce. I live in rural Alaska, you know, no roads, no bike shops, only 5 passenger planes to take my broken bike parts back. Problem is planes are already full of broken bike parts from the other 10 people who ride here.

Bottom Line:   
When are bike part suppliers going to look at our equipment from a safety perspective like climbing equipment. Reliability or trash. Working good for awhile and then catastrophically failing leaving you stranded in the wilderness...

Expand full review >>

Favorite Trail:   Paradise Royale

Duration Product Used:   6 months

Price Paid:    $2700.00

Purchased At:   Bingham Cyclery

Similar Products Used:   Geez. All the way back to first Cannondale rear suspension in 1991. Lots of fox air and a few coil over. Seems like rebound is the part that always fails.

Bike Setup:   2011 SJ Comp 29.

Overall Rating:2
Value Rating:2
Submitted by MCHEEN a Weekend Warrior from Jakarta, Indonesia

Date Reviewed: August 10, 2011

Strengths:    Great anti-squat (propedal) for going up, BUT that's ALL it got.

Weaknesses:    Really really not reliable, especially about the rebound and the propedal+rebound setting mechanizm. Crappy,,

Bottom Line:   
It, works great for going up. Just ok when you are doing some light downhill. Poor reliability, i broke mine (rebound seal) after just 3 month (i'm a week end warrior), and 4 months after i sent it to fox for some repairment it broke again. My frien's got some leak at the propedal-rebound switch after a year,,

Expand full review >>

Duration Product Used:   1 Year

Purchased At:   BMTB

Similar Products Used:   Monarch 4.2

Bike Setup:   Banhee Spitfire, X0+X9, Elixir CR, SR Charger Pro, Revelation Dual Air 150mm.

Overall Rating:2
Value Rating:2
Submitted by Pat a Cross Country Rider from Meadow Vista,CA

Date Reviewed: July 24, 2011

Strengths:    works kinda at moderate speed.

Weaknesses:    WTF is up with this shock? I have ridden fox shocks for years and they really !@#$ this one up. The 3 way adjustable setting sucks i can never figure it out and get the ride i want. The bike always tries to buck me off. I know you say the rebound is too high...yea i know but when i set it so it doesn't rebound fast i get this ride that feels like a slug. It doesn't peddle efficiently at all even in pro peddle. Not satisfied at all.

Bottom Line:   
Not a fan Dump it. I have not had a leaky seal yet but from the research i have done its coming soon. I just cant find the sweet spot on this shock. BOOOOOO Fox wtf were u thinking.

Expand full review >>

Favorite Trail:   Auburn trail network

Duration Product Used:   3 months


Overall Rating:1
Value Rating:1
Submitted by RandyBoy a Cross Country Rider from Mammoth

Date Reviewed: May 25, 2011

Strengths:    This is for a Fox RP23 BoostValved Niner WFO and a Niner RIP.

There are no strengths, BoostValve has no platform or Propedal feature that works from 2010 on. Flipping the ProPedal lever makes no difference, it causes both my Niner WFO and RIP to bob.


Weaknesses:    Fox won't fix the problem unless you send them $160 for a "custom tune". They finally figured out that PUSH was making bank on fixing their crappy shocks, so now they are trying to horn in and get a slice of the pie by selling what is basically a Fox Float RP as an RP23. It's a scam.

Bottom Line:   
Don't waste your money buying any bike with an RP23 Shock with the Boost Valve feature. It's a complete failure and a rip off. You aren't getting what you are paying for. The 2007 through 2009 pre boost valve models work fine.

Expand full review >>

Duration Product Used:   More than 3 years

Similar Products Used:   X Fusion, Manitou ISX-6, CaneCreek Double Barrel.

Bike Setup:   Niner WFO, Manitou Dorado, Cane Creek Double Barrel, Hadleys, Formula The One, etc.

Overall Rating:1
Value Rating:1
Submitted by Jack1965 a Weekend Warrior from Italy

Date Reviewed: May 13, 2011

Strengths:    unknown only used for 45 km......

Weaknesses:    reliability

Bottom Line:   
It came with my brand new CUBE sting, I didn't have the time to test it that was already leaking from the propedal lever.
The bike stop forecast to have it repaired in Italy is at least one month.....
I happy that I still have by old bike with X fusion shock....

Expand full review >>

Duration Product Used:   Less than 1 month

Similar Products Used:   rock shox
x fusion



Overall Rating:2
Value Rating:2
Submitted by dincrivel a Cross Country Rider from brasil

Date Reviewed: March 3, 2011

Strengths:    no leaks yet

Weaknesses:    t propedal and no propedal are the same!!! that sucks

Bottom Line:   
my last bike was a kona with a rp23 that realy worked, and i never had any problems fore tree years

Expand full review >>

Duration Product Used:   3 months

Similar Products Used:   fox rp23 2007

Bike Setup:   SC blur ltc xtr, talas, rp23 2010

Overall Rating:4
Value Rating:3
Submitted by Vitaly a Cross Country Rider from MA, US

Date Reviewed: February 7, 2011

Strengths:    Plush, good amount of settings, "Propedal" helps to climb without too much loss.

Weaknesses:    I have new shock with Boost Valve produced in 2010. Unfortunately, it leaks from the very beginning. Oil comes out under the rebound knob. My new bike has warranty, but I'm still sad having problems with so expensive and well known brand as Fox, while far less expensive vendors produce more reliable stuff. This is second RP23 I ride, and both has leaks. Google founds a lot of similar reports. It says, new RP23 with Boost Valve has design defect.

Bottom Line:   
As a most of Fox shocks RP23 is plush and has good settings, but the reliability is close to zero. Consider to buy shock from another vendor.

Expand full review >>

Duration Product Used:   Less than 1 month

Similar Products Used:   X-Fusion 02 PVA

Bike Setup:   Diamondback Mission 2, Merida One-Five-O 3000

Overall Rating:2
Value Rating:2
Submitted by lowaired a Weekend Warrior from conejo valley , CA USA

Date Reviewed: January 22, 2011

Strengths:    Light , popular , great concept

Weaknesses:    Came with RIp 9 in the Light Duty mode.
Not much difference at all when switched to propedal.even 3 and slow rebound.
Buy the monarch rt3!!!


Bottom Line:   
The monarch actually seemed lighter to me when i installed it. And it performed 10 times better . The rock shox product is made so much better quality and very happy with the performance!!!

Expand full review >>

Favorite Trail:   Los robles

Duration Product Used:   6 months

Price Paid:    $250.00

Purchased At:   with bike

Similar Products Used:   Monarch RT3

Bike Setup:   niner rip 9

Overall Rating:4
Value Rating:3
Submitted by irashai a Weekend Warrior from KL. Malaysia

Date Reviewed: January 22, 2011

Strengths:    Responsive.

Weaknesses:    Kinda show sign of leakage.

Bottom Line:   
I got mine with my YETI ASCR and I like how it works till now. When I want my bike to feel like a hardtail, it works by a flick of a switch. If want to use it during bumpy terrains, it works too. Not much experience in the quality of 4 inch compare to a 5 inch travel but I enjoy the feel of my 4 inch travel up to date. Initially I thought I felt a leak from the propedle knob area but it still works fine so i guess I am wrong. Hopefully YETI or FOX will fix it before my bike warranty period is up.

Expand full review >>

Favorite Trail:   Kiara

Duration Product Used:   Less than 1 month

Purchased At:   Bike Pro Center

Bike Setup:   YETI ASRC

Reviews 1 - 15 (66 Reviews Total) | Next 15

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