Installing Your Fork | Before You Ride | Setting Sag | Adjusting Rebound | Locking Out the Fork | Adjusting Lockout Force | Adjusting Low-Speed Compression | Changing Travel | Service Intervals | Important Safety Information
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travel |
140 RLC: 5.5 in./140 mm 150 RLC: 5.9 in./150 mm |
features/adjustments |
TALAS travel adjust system, low-speed compression, lockout, lockout force adjust, air spring pressure, rebound |
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spring/damper type |
air/FIT damper |
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intended use |
all-mountain, cross-country |
Be sure your fork is properly installed before proceeding. Clicking on the link above will take you to a new page.
Note: Do not use any solvents or de-greasers, as these products can cause serious damage to paint and anodized parts (upper tubes, knobs, steerers).
Do not spray water directly on the seal/upper tube junction. Do not use a high pressure washer on your fork.
You can also view a Flash video on Setting Sag.
To get the best performance from your fork, it is necessary to set and adjust sag. Generally, sag should be set to 15 25% of total fork travel.
Note: Hold the TALAS lever steady with one hand while unscrewing the aircap with the other. This will facilitate removal of the aircap and also protect the TALAS lever from being forced past its stops.
Rider Weight | Air Pressure | Air Pressure |
< 125 lbs. | 50 psi | 45 psi |
125 - 135 lbs. | 55 psi | 50 psi |
135 - 145 lbs. | 60 psi | 55 psi |
145 - 155 lbs. | 65 psi | 60 psi |
155 - 170 lbs. | 70 psi | 65 psi |
170 - 185 lbs. | 80 psi | 75 psi |
185 - 200 lbs. | 90 psi | 95 psi |
200 - 215 lbs. | 100 psi | 105 psi |
215 - 230 lbs. | 115 psi | 110 psi |
230 - 250 lbs. | 125 psi | 120 psi |
Travel | XC/Race FIRM | All-Mountain PLUSH |
80 mm (3.50") | 12 mm (0.50") | 20 mm (0.75") |
100 mm (3.90") | 15 mm (0.62") | 25 mm (0.98") |
120 mm (4.70") | 18 mm (0.69") | 30 mm (1.19") |
140 mm (5.50") | 21 mm (0.81") | 35 mm (1.38") |
150 mm (5.90") | 23 mm (0.91") | 38 mm (1.50") |
Note: Sag and spring rate will self adjust to the proper setting and rate as TALAS is adjusted to shorter travel positions.
Symptom | Remedy |
Too much sag | (+) air pressure in 5 psi increments |
Too little sag | (-) air pressure in 5 psi increments |
Excessive bottoming | (+) air pressure in 5 psi increments |
Harsh ride; full travel not utilized | (-) air pressure in 5 psi increments |
The rebound adjuster knob is located at the bottom of the right fork leg, as shown in the above figure. This knob has 18 clicks of adjustment range.
Rebound controls the rate of speed at which the fork extends after compressing. Turning the knob clockwise slows down rebound; turning the knob counterclockwise speeds up rebound. As a starting point, turn the rebound adjuster knob all the way clockwise (full in) until it stops, then turn counterclockwise (out) 12 clicks.
Knob Setting |
Setting Description |
Tuning Tips |
Setup Tips |
1 |
Slow Rebound |
Too slow and your fork will pack down and ride harshly. |
If you increase your spring rate or air pressure, you will need to slow down your rebound. |
12 (Factory setting) |
Average Rebound |
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18 |
Fast Rebound |
Too fast and you will experience poor traction and wheel hop. |
If you decrease your spring rate or air pressure, you will need to speed up your rebound setting. |
The blue compression lockout lever is located just below the black lockout force adjuster knob (see "Adjusting Lockout Force" below). It allows the rider to close the compression damping circuit in the fork. This keeps the fork at the top of its travel, making it harder to compress.
Note: When you adjust the compression lockout lever, the black lockout force adjuster knob will also move. This is normal; the lockout force adjustment setting will not be affected.
Rotate the lever fully clockwise to lockout the fork. This position is useful in climbing and sprinting situations, but will sag with the rider’s weight. The fork will "blowoff" in the event that a big hit is encountered with the fork locked out.
To unlock the fork, simply rotate the lever fully counterclockwise.
Note: The fork may cycle a couple of times after enabling lockout. Once complete lockout is achieved, the fork may continue to move 3 - 5 mm. This is normal and does not affect performance.
Even when your fork is fully locked out, there are instances when you still want your fork suspension to be active. To protect your fork's internal parts, your FOX fork will "blowoff" when it encounters an intense hit. You can adjust when the fork blows off—lockout force—by adjusting the black knob on the right-side top cap.
A convenient tuning feature of the lockout force knob is that it allows you to leave your fork in the locked out position—no more fiddling with fork controls when the trail requires your undivided attention. Although you might need to adjust the knob a few times to find the sweet spot, once it is found you can simply leave your fork locked out. Your fork will then respond to hits in the trail for example, but will be locked out when you are out of your saddle on a climb.
Turn the knob clockwise to increase lockout force and counterclockwise to decrease lockout force.
Note: When you adjust the black lockout force adjuster knob, hold the blue compression lockout lever in place.
There are 10 clicks of adjustment. As a starting point, turn the knob all the way clockwise until it stops, then back off one click counterclockwise.
Low-speed compression damping is adjusted with the blue bezel ring that is positioned just below the blue lockout lever. This ring has 8 clicks of adjustment range. Compression damping controls the fork compression speed. Adjust the low-speed compression with lockout off (the lockout lever turned fully counterclockwise). The factory setting is 8 clicks out counterclockwise, from fully in clockwise.
Knob Setting |
Setting Description |
Tuning Tips |
Setup Tips |
1 |
Firm Compression |
Too firm and you will experience poor traction and wheel hop. |
Resists brake dive and keeps the fork up in the travel. Too firm and you may have poor traction in loose conditions. |
8 |
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8 |
Soft Compression |
Too soft and your fork will pack down and ride harsh. |
Maximum wheel traction and bump compliance. Too soft and you may have excessive brake dive and a wallowy feel. |
32 mm TALAS forks feature three externally adjustable travel choices per maximum fork travel specification. These travel settings are easily selected using the TALAS travel adjusting topcap on top of the left fork leg, as shown below. Travel options and direction settings are printed directly on the topcap:
140 mm
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150 mm
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Note: When changing travel, the TALAS system automatically adjusts to provide you with the appropriate linear air spring rate for each travel setting. There is no need to change the air pressure in the TALAS air chamber after adjusting travel.
For safety reasons, it is recommended that travel adjustment be done while off the bike. If necessary, travel can be adjusted on-the-fly (be careful when using this "extreme" travel adjusting method), which can be handy right before a grueling climb or steep descent.
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FOX Factory Inc.