Float ctd

Float ctd DEFAULT

FLOAT CTD - Performance

Installing Your Shock | General Maintenance | Before You Ride | Setting Air Pressure with Sag | Climb. Trail. Descend. | Adjusting Rebound | Stuck Down Shock | Air Sleeve Maintenance | Service Intervals | Important Safety Information

lengths & travels

5.5 x 1.0; 6.0 x 1.25; 6.5 x 1.5; 7.5 x 2.0; 7.875 x 2.0; 7.875 x 2.25; 8.5 x 2.5

model features, adjustments

CTD BV: lever actuated 3-position Climb/Trail/Descend, boost valve, air spring pressure, rebound, angled air valve for easier access, lightweight chassis.

: lever actuated 3-position Climb/Trail/Descend, air spring pressure, rebound, angled air valve for easier access, lightweight chassis.



riding styles

XC, trail, AM

Installing Your Shock

If you are installing your shock on a bike for which the shock is not original equipment:

  1. Install the shock.
  2. Remove the main air chamber air cap and let all the air out of the main air chamber.
  3. Carefully cycle the suspension through its entire travel.
  4. Check that all parts of the shock are clear of the frame and swingarm as it cycles through the travel.
  5. Pressurize your main air chamber to a minimum of 50 psi and no more than 300 psi. You will tune to a more specific air pressure in the Setting Sag section below.
  6. Set sag.

General Maintenance

There may be a small amount of air sleeve lubricant residue on the body. This is normal. If this residual air sleeve lubricant is not present, this is an indication that the air sleeve should be re-lubricated. Some other things to consider for all shock models:

  • If you ride in extreme conditions, service your shock and air sleeve more frequently. Check the maintenance schedule for your shock.  
  • Wash your shock with soap and water only.
  • Do not use a high pressure washer to clean your shock.
  • Internal service should be performed by FOX Racing Shox or an Authorized Service Center.

Before You Ride

  1. Clean the outside of your shock with only mild soap and water, and wipe dry with a soft dry rag.

    NOTE:  Do not use any solvents or de-greasers, as these products can damage the shock's exterior finish or its anodized parts.

    Do not spray water directly on the seal/shock body junction. Do not use a on your shock.

  2. Inspect the entire exterior of your shock. The shock should not be used if any of the exterior parts appear to be damaged. Contact your local dealer or FOX Racing Shox for further inspection or repair.
  3. Make sure that your quick-release levers (or thru-axle pinch bolts) are properly adjusted and tightened.
  4. Check your headset adjustment. If loose, adjust it accordingly to your bicycle manufacturer's recommendations.
  5. Check that all brake cables or hoses are properly fastened.
  6. Test the proper operation of your front and rear brakes on level ground.

Setting Sag

  1. Measure and set sag, and compare your result to the sag setting shown in the Air Spring Setting Guidelines table below.

    Air Spring Setting Guidelines

    Shock Travel

    25 % Sag













  2. If your measured sag value doesn't match the table value, add or release air pressure in 5 PSI increments:
    • if your measured sag value is less than the table sag value, screw on the pump fitting, note the current air pressure setting and depress the black bleed-valve to reduce the gauge pressure by 5 psi. If necessary, measure and set sag again and repeat this adjustment.
    • if your measured sag value is greater than the table sag value, screw on the pump fitting, note the current air pressure setting and pump to increase the gauge pressure by 5 psi. If necessary, measure and set sag again and repeat this adjustment.
  3. Repeat until your target sag is achieved, then replace the air valve cap.

Climb. Trail. Descend.

With an easy flip of the blue CTD lever, you will quickly achieve optimum rear suspension performance for all types of riding terrain.

  • Climb mode: engages the firmest low-speed compression setting for maximum pedaling efficiency.
  • Trail mode: a moderate low-speed compression setting for an optimal blend of pedaling efficiency and bike control, in undulating riding terrain.
  • Descend mode: sets the low-speed compression setting to fully open, for plush absorbency and maximum bike control on steep, aggressive descents.

The blue CTD lever switches your riding platform modes. Rotating 120° between Descend mode position (shown below), change to Trail mode (when the CTD lever is positioned in line with the shock), and Climb mode (when the CTD lever is turned all the way clockwise, to the left).

Adjusting Rebound

Rebound controls the rate at which your shock returns after it has been compressed. The proper rebound setting is a personal preference, and changes with rider weight, riding style and conditions. A rule of thumb is that rebound should be as fast as possible without kicking back and pushing the rider off the saddle.

The rebound knob has 12-15 clicks of adjustment.

For slower rebound, turn the red adjuster control clockwise.

For faster rebound, turn the red adjuster control counter-clockwise.


Bushing Technology & Inspection | Control Direction | Oil Volumes | Structural Inspection | Dropout Thickness Inspection | Torque Values | Unit Conversion | Suspension Tuning Tips | Using the Pump | Important Safety Information | Service Intervals | Contact FOX Service | Warranty Information | FOXHelp Service Web Site

Copyright © 2012
FOX Factory Inc.

Sours: https://www.ridefox.com/fox_tech_center/owners_manuals/013/Content/Rear_Shocks/2013FLOATCTDperformance.html



5.50 x 1.00

6.00 x 1.25

6.50 x 1.50

7.25 x 1.75

7.50 x 2.00

7.875 x 2.00

7.875 x 2.25

8.50 x 2.50




Factory FLOAT CTD w/Adj BV; Kashima Coated or anodized air sleeve and body, lever actuated Climb/Trail/Descend (3 position), Trail adjust range (1, 2, 3), rebound, air spring pressure. 

Factory FLOAT CTD Remote BV; Kashima Coated or anodized air sleeve body, remote actuated Climb/Trail/Descend (3 position), rebound, air spring pressure.

Performance FLOAT CTD BV; Anodized air sleeve and body, lever actuated Climb/Trail/Descend (3 position), rebound, air spring pressure.

Evolution FLOAT CTD Remote; Anodized air sleeve and body, remote actuated Climb/Trail/Descend (3 position), rebound, air spring pressure.

Evolution FLOAT CTD; Anodized air sleeve and body, lever actuated Climb/Trail/Descend (3 position), rebound, air spring pressure.



Riding style

XC, Trail

Sours: https://www.ridefox.com/fox17/help.php?m=bike&id=68
  1. Tan cha
  2. Tool bench all purpose caulk
  3. P0030 hyundai elantra
  4. Tc breech plug cleaner

Fox Float CTD Boost Valve Trail Adjust shock review

Fox’s new CTD damping setup raised some eyebrows when it was announced, but trail time proves it’s another step ahead in user-friendly suspension control – for most riders. 

When Fox switched the RP23’s low speed compression damping – with its three low-speed ‘platform’ levels – to the Adaptive Logic system that has three adjustments on the open setting instead, savvy shock tuners and hardcore riders rejoiced. 

Adding the super-slippery Kashima gold surface meant the super-supple, finely adjustable shocks were sucking up big hits and sticking back wheels to rough trails better than ever before. 

It meant more technically minded riders – us included – baulked at the announcement of CTD for 2013. First impressions were tainted by the fact that our fine-tuned open settings had been replaced by a single ‘Descend’ setting, with the three-position tune moved to the middle ‘Trail’ position. 

Now we’ve had time to properly assess the shocks on three different platforms (Lapierre Zesty, Norco Shinobi and Santa Cruz Tallboy LTc) everywhere from the Yorkshire Dales to the Alps, it’s not just Fox that’s changed tune.

Really damper-sensitive souls will grumble about the gap between the most open Trail Adjust 1 setting and Descend – Adaptive Logic didn’t suffer that. But our most progressive riders found the platform level of TA1 to be an almost perfect foot-loading, berm-railing, squat-controlling ‘race’ tune. Plus, if it bothers you that much you can get the shock retuned by Mojo to shift the damping spectrum either softer or firmer. 

Most riders will appreciate being able to set an intermediate, use-it-most-of-the-time tune easily. From there you can flick to the soft, rock-swallowing stick-your-wheel-to-the-trail Descend or stand-up-and-sprint Climb mode without thinking. 

Once you’re past the chosen tune, the combination of Kashima coat smoothness, Boost Valve control and Fox’s latest damper circuitry gives sublime control of the full impact and speed range. It never over-travels, wallows or coughs up control whether you’re G-ing out, collecting a big drop or slapping through a square-edged boulder field. 

The final icing on the all-rounder cake is that the new high-volume eyelet design gives the same spring volume as the old XV2 sleeve, but at 45g less for a 200mm eye-to-eye shock. CTD shocks are available with remote control, without Trail Adjust and without Boost Valve in a variety of sizes from 140-215mm.

This article was originally published in What Mountain Bike magazine, available on Apple Newsstand and Zinio.

Sours: https://www.bikeradar.com/reviews/components/rear-shocks/fox-float-ctd-boost-valve-trail-adjust-shock-review/
FOX Float CTD Full Service (#1 Disassembly)

The Float CTD came out in late 2012, and was pretty forward thinking for that time. Change the damper setting on the fly with a simple flip of the switch? Even though the technology existed, Fox made it much easier to understand the idea of opening and closing down the damper and the effect on performance, by giving it simple, easy to understand names.

The Fox Float CTD Boost valve w/Trail Adjust weighs in at 208 grams

CTD – Climb, Trail, Descend

The shock comes equipped on many trail bikes featuring 100-160 mm of travel. It’s lightweight and does a great job performing for the targeted market. It’s a huge selling shock, and has become almost a “standard” which other shocks are measured by. CTD stands for “Climb, Trail, Descend” and it’s pretty easy to figure out what those settings are good for. A lot of riders don’t want to deal with tuning their shock, and the Float CTD made things simple and very easy to adjust.

Making Changes

The shock was a bit too linear for my personal tastes when I started using it. Some love that. If you want more progressiveness, air spring volume spacers from Fox offer a quick and easy means to adjust your shock’s air spring compression curve. I used one small spacer and it took the curve much more to what I personally wanted. Easy enough. Great!

Adding a spacer in the air canister results in a more progressive curve.

Riding in Trail mode means the small bump performance is less, but also makes pedaling snappier. What’s more important to you? At least it’s just a quick switch (going into Descend mode) to gain back that sensitivity and overall plushness.


Over the summer, the performance of the shock seriously degraded with riding time. The first clean and rebuild, or maintenance prescribed by Fox comes at a ride time of 25 hours. That could be a week or two for some riders, or most of the summer for other riders. I blew it big time. I went way past that mark, not on purpose, but just because I’m busy and life happens. The shock started to ride as if it was in Climb mode all the time. The initial stichtion on the travel was apparent and too much. Small bump compliance was almost nil. I was not happy.

With the clean and rebuild by Fox techs, there was a night and day difference and things were working properly again. I was happy! The shock was working as it should. Which leads to the next point.

Stick to the maintenance schedule recommended by Fox. Not only will you be happy with the performance of the shock, but you’ll be seriously helping to maintain long term performance by avoiding any wear spots. New, clean oil and seals work wonders to help keep things clean and smooth. You’ll also be keeping the overall resale value of the bike higher should that be important to you. We all want new bikes down the road, right?

If enduro racing is your thing, especially those races with long downhills, and possbily on long travel (150-170mm) race bikes, other offerings, from Fox or different manufacturers, might be better options for you. (Fox Float X, Rock Shox Monarch Plus, Cane Creek DB Air.)

The shock can be adjusted between Climb, Trail, or Descend modes while riding on the fly.
Air valve in easy to reach spot. Great for adding/removing air.
Kashima Coating on air sleeve results in more smooth movement.
Adjust lever in Descend mode means damper is most open.

Overall, this shock does a very nice job for it’s target rider or riding style. Everyday trail riding. What most of us do five times a week. Lightweight, easy to clean and service, lots of performance, with the ability to make changes to suit your personal preferences.

Words, Photos: Daniel Dunn

Sours: https://enduro-mtb.com/en/team-tested-fox-float-ctd-boost-valve-with-trail-adjust/

Ctd float


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