Ohlins TXC Air User manual

Warning!⚠
Read this manual before installing the product. The
shock absorber is an important part of your bicycle and
will affect the stability.
Note!1
Please note that the images in this manual are a
general representation of the product and may differ
slightly from your product.
Shock absorber
TXC Air
Owner’s Manual / Mounting Instructions
Note!1
Please note that during storage and transportation,
especially at high ambient temperature, some of the oil
and grease used for assembling may leak and stain the
packaging. This is in no way detrimental to the product,
wipe off the excess oil/grease with a cloth.
Note!1
This manual refers to different bikes so pictures might
differ from the actual bike but procedure is the same.

2/12
SAFETY SYMBOLS
In this manual and other technical documents,
important information concerning safety is
distinguished by the following symbols:
The Safety Alert Symbol means: Warning! Your safety
is involved.
Warning!⚠
The Warning Symbol means: Failure to follow
warning instructions can result in severe or fatal
injury to anyone working with, inspecting or using the
shock absorber, or to bystanders.
Caution!✋
The Caution Symbol means: Special precautions
must be taken to avoid damage to the shock
absorber.
Note!1
The Note Symbol indicates information that is
important regarding procedures.
than one operator or rider, such as a tandem bicycle
or heavy utility bicycle. Any use outside of these terms
must be approved by Öhlins on a case-by-case basis.
Any such unauthorized misuse may result in failure of
the suspension, which could cause a crash and result in
property damage, SERIOUS INJURY OR DEATH, and a
voided warranty.
Warning!⚠
This product was developed and designed exclusively
for a specic bicycle model and shall only be installed
on the intended bicycle model in its original condition as
delivered from the bicycle manufacturer.
Warning!⚠
This product contains pressurized air. Do not open, service
or modify this product without proper education and proper
tools. All hydraulic servicing must be completed by an
authorized Öhlins MTB service center. All other servicing
must be completed by an authorized Öhlins MTB service
center. Alternatively you can conduct the service yourself
if you have the necessary skills, genuine parts and tools.
In some cases the shock absorber may need to be sent to
another region for service.
Note!1
The shock absorber is an important part of the bicycle
and will affect the stability.
Note!1
Read and ensure you understand the information in this
manual and other technical documents provided by the
bicycle manufacturer before using the product.
Note!1
Öhlins Racing AB can not be held responsible for any
damage to the shock absorber, bicycle, other property
or injury to persons, if the instructions for mounting,
usage and maintenance are not followed exactly.
Warning!⚠
After you have installed the Öhlins product, take a
test ride at low speed to ensure that the bicycle has
maintained stability.
Warning!⚠
If the suspension makes an abnormal noise, or the
function is irregular, or if you notice any leakage from
the product, stop riding the bicycle immediately and
return the product to point of purchase or an authorized
Öhlins MTB service center.
Warning!⚠
The product warranty shall only apply if the product
has been operated and maintained in accordance
with recommendations in this manual. If you have any
questions regarding usage, service, inspection and/or
maintenance please contact an authorized Öhlins MTB
service center.
Note!1
When working with the Öhlins product, always read the
bicycle manufacturer’s manuals.
Note!1
This manual shall be considered as a part of the product
and shall therefore accompany the product throughout
its life cycle.
Warning!⚠
This product was developed and designed for the
bike industry and shall only be installed onto related
vehicles, including pedal-assisted motorized cycles that
produce a maximum of 250 watts of power. DO NOT
use Öhlins bicycle suspension products on any throttle-
equipped motorized cycles or vehicles carrying more
SAFETY PRECAUTIONS
© Öhlins Racing AB. All rights reserved.
Any reprinting or unauthorized use without the written permission of Öhlins Racing AB is prohibited.

3/12
Installing your shock
Warning!⚠
Rear shock setup and conguration varies greatly
between different bicycle manufacturers. Be sure to
mount the shock according to instructions in the owner´s
manual for your bicycle. We advise you to have your
Öhlins shocks installed by an authorized service center.
Improperly installed shocks can fail, causing the rider to
lose control, resulting in SERIOUS INJURY OR DEATH.
Install the shock on to your frame using
the appropriate hardware. Release the air
pressure slowly by using the shock pump.
Carefully compress the suspension through its
entire travel and make sure that the shock has
clearance against the frame at any point. Set
sag according to page 4.
Before you ride
Clean the outside of your shock with mild
soap and water and wipe dry with a soft
rag. Do not use any solvents or de-greasers
as these products can damage the shock’s
exteriornish.
Do not use a high pressure washer or spray
water directly on the seal/shock body junction.
Inspect the exterior of your shock. The shock
should not be used if any of the exterior parts
appear to be damaged.
Contact your local Öhlins dealer for further
inspection or repair.
MOUNTING INSTRUCTIONS
Warning!⚠
It is advisable to have an authorized Öhlins service
center install the shock absorber.
Warning!⚠
If the bicycle is mounted in a work stand please make
sure to hold the frame when shock is removed to
prevent damage to paint and/or nish.
Note!1
Clean the bicycle thoroughly before installing the product.
Note!1
When working on this product, always refer to the bicycle
service manual for specic procedures and important data.
Caution!✋
Ensure that all screws are tightened to the correct
torque and that nothing fouls or restricts movement
of the shock absorber when the suspension is fully
compressed or extended.
Warning!⚠
Do not exceed maximum air pressure in the Air spring.
Maximum air pressure: 350 PSI
Remote installation
1
Install the remote connection wire with no
slack in the system. Use a 2 mm hex torque
wrench to tighten the set screw to 0.4 Nm.
2
Use a 5 mm hex key to adjust the pre tension
on the wire. Adjust until placing the remote
lever in lock out mode results in a stiff feeling
in the shock while trying to compress it.
1
2

4/12
SETTING SAG
Sag setup
Keep track of your personal settings to make it
more easy setting up your bike after different
type of terrain or to do a quick pre-ride control.
When controlling pressures be aware that the
pump takes up to 10 PSI when connected.
Note!1
Make sure the high speed adjuster is in position 1 while
setting sag. Setting sag in position 2 or 3 will result in a
faulty setup.
1
Useashockabsorberpumptollupthe
shock absorber. Start with 200 PSI.
Caution!✋
Always remove the shock absorber pump before cycling
the shock otherwise there is a risk that the pump will
damage the frame or the shock absorber.
2
Cycle the shock a couple of times to even out
the pressure between the air chambers.
3
Set the O-ring (sag indicator) at the position
closest to the air sleeve.
4
Dressed in full riding gear, assume your
normal riding position on the bicycle.
5
Step off the bicycle and measure the distance
the O-ring (sag indicator) has moved.
General recommendations:
• too little sag: release air
• toomuchsag:llupwithmoreair
General recommendations:
Heavy, hard-charging riders may require less
sagwhileasmootherridermaybenetfrom
more sag. If you have any questions, contact
an Öhlins service center for advice.
If you bottom out too often or don’t use the
whole stroke length, see page 7 or contact an
Öhlins service center for advice.
1
4
5
3
Recommended sag
The recommended sag is 20-30% of the
shock stroke.
Example: A 190x45 shock with 20% sag.
0.2x45=9 mm.
x

5/12
ADJUSTERS
Compression damping controls the energy absorption
when the shock absorber is being compressed, thus
controls how easily the shock absorber compresses
when you hit a bump. Rebound damping controls the
energy absorption when the shock absorber is being
extended and controls how fast the shock absorber
returns to its normal position after being compressed
To set the adjusters
The adjusters have a normal right hand
thread. Turn the adjuster clockwise to fully
closed position (position zero [0]). Then, turn
counterclockwise to open, and count the clicks
until you reach the recommended number of
clicks. For rebound use a 3 mm Allen key to
adjust.
Caution!✋
Turn gently to avoid damaging the adjusters. The end
positions have a distinct stop. Do not use force to turn
the adjusters further, this can damage the adjusters and
lead to oil leakage.
Compression damping adjuster
1. Adjust low speed
Turn the blue adjuster clockwise to increase
damping, turn counterclockwise to decrease.
The low speed adjuster will only affect the
damping in ride position 1.
2. Ride mode selection
To switch between ride modes use the black
leaver or the remote adjuser. There are three
different modes:
1. Open
2. Pedal mode
3. Lock out
1
2
Push the lower remote lever to increase
damping, push the upper remote lever to
decrease.
Pos. 1 Pos. 2 Pos. 3
Rebound damping adjuster
1. Adjust rebound
Use a 3 mm Allen key to turn the adjuster
in the center of the gold colored part.
Turn clockwise to increase damping, turn
counterclockwise to decrease.

6/12
SETTING UP
Stability and traction
All bicycles are designed with a suspension
geometry that includes height and fork angle.
Changing any components may affect the
suspension geometry and it is therefore
essential that the front and rear ends match
each other. Changing to Öhlins suspension
gives optimal performance only when both
the front fork and the rear suspension interact
properly. It is very important that the front and
therearrideheightsarewithinthespecied
values.
General setup
By adjusting the shock absorber and testing
by trial and error you can learn how the
different settings affect your bicycle. Always
begin your setup process by taking a test ride
with all adjustments at their recommended
basic settings. Choose a short run of varying
character, for example with long as well as
sharp bends, hard and soft bumps. Stay on
the same run and adjust only one setting at a
time.
When you set up your bicycle you need to
do it together with the front fork and on all
types of tracks that you want to optimize.
There are no setups that will be 100% perfect
on all tracks and some compromises will need
to be made.
However, you should always prioritize
• safety
• stability
• comfort
This will allow you to ride safer, with more
condenceanduselessenergy.
Adjustment range
The TXC shock is designed for use within the
full adjustment range, and using the shock
fully open or closed is normal for some riders.
Rebound damping
If the bike feels loose, nervous over bumpy
sections and kicking in jumps, close the
rebound adjuster one click.
If the bicycle has a hard, harsh feeling, ‘packs
down’overbumps,isdifculttoentercorners
with or does not stay in line over bumpy
sections, open the rebound adjuster 1 click.
If the bicycle feels
• unstable
• loose
• bouncy
→Increase rebound damping
If the bicycle feels
• hard
• nervous
• low traction
→Decrease rebound damping
Low speed compression damping
The low speed adjuster is used for controlling
the rider’s body movement.
If you feel that the shock absorber feels
soft, spongy, or the bicycle feels unstable (for
example when going into a corner), close 1
click (clockwise).
If you feel that the bicycle feels hard and has
poor traction, open 1 click (counterclockwise).
Ride modes
Position 1
Open. To be used when maximum traction
and control is needed. In this mode it is
possible to further adjust the amount of
compression damping with the low speed
compression adjuster.
Position 2
Pedal mode. Adjusts initial movement in the
dampertoincreasepedalefciency.Helps
to carry momentum and reduce fatigue while
supporting tire traction, even on rough terrain.
Maximizesoverallefciencywhenridingover
choppy surfaces.
Position 3
Lockout.Tobeusedonatterrainwhen
no suspension is needed. Maximizes pedal
efciency.

7/12
Air pressure
The correct air pressure and sag, along with
numberofclicks,arecrucialtondinga
setup that best suits your riding style. Start
with basic sag and go through the adjusters,
but keep in mind the adjusters will not fully
compensate for a too soft or hard air spring.
Air spring volume adjustments
Adjusting the air spring volume by adding or
removing volume spacers/oil affects the ramp
characteristics of the spring. Adding spacers/
oil will increase the end stroke spring rate and
removing them will decrease the rate.
There are two possible ways to alter the air
spring progressivity, either by adding oil or
volume spacers.
SETTING UP
Use The Performance Suspension
Guide(PSG)tondthebasesetup
recommendations for number of air spacers
andairpressureforyourspecicbike.Scan
the QR code for PSG.
https://www.ohlins.com/performance-suspension-guide/
Spring force
Stroke
2 pcs
3 pcs
4 pcs

8/12
SETTING UP
Warning!⚠
Make sure that all pressure is released from the air
spring before starting to work on it.
Warning!⚠
Never install more spacers than the specied maximum
amount. See page 10.
1
Release the air pressure, check your settings
soitiseasiertondcorrectsag.
2
Remove the air sleeve using a rubber strap
wrenchorspecictool.
3
Pull up the air sleeve.
4
Snap on the volume spacers (1 ml) to the
spacer holder on the shaft.
5
If the spacer holder is full, you can add
additional spacers (0.7 ml) on the end eye.
Note, this is another spacer that can be
snapped onto the end eye.
Warning!⚠
The 0.7 ml spacer is not allowed to assemble on all
shocks. See table on page 10 for maximum number of
volume spacers allowed on different shocks.
6
Push down the shim, O-ring and the spacer
holder to the end eye. Assemble the air sleeve
and set pressure.
5
1
2
3
4
Snap on and
push it up
Maximum number
of spacers on the
spacer holder
Snap on the
spacer to the
end eye
6

9/12
1
Release the air pressure, check your settings
soitiseasiertondcorrectsag.
2
Remove the schrader valve core using a
proper tool.
3
Add1mlofÖhlinsGolduidwithasyringe
(total oil amount max 3 ml).
4
Mount all parts and set your air pressure.
1
2
3

10/12
TXC1 Air TXC2 Air
Shock type Stroke (mm) Maximum number
of spacers on the
spacer holder (1 ml)
Maximum number of
spacers on the end
eye (0.7 ml)
Maximum oil
amount
TXC1Air 50 40 4 pcs 2 pcs 3 ml
47.5 37.5
TXC2Air
55 45
3 pcs
0 pcs
3 ml
52.5 42.5 1 pcs
50 40 2 pcs
47.5 37.5 3 pcs

11/12
Stroke adjustment
Caution!✋
Never use more stroke than what is specied for your
bike otherwise there is a risk that you damage the frame
or the shock absorber.
Warning!⚠
Make sure that all pressure is released from the air
spring before starting to work on it.
Warning!⚠
Never install more spacers than the maximum specied
amount.
1
Release the air pressure, check your settings
soitiseasiertondcorrectsag.
2
Remove the air sleeve using a rubber strap
wrenchorspecictool.
3
Pull up the air sleeve.
4
Pull up the spacer holder.
5
Snap on the stroke reducer(s) to the shaft
under the spacer holder. Each spacer reduces
the stroke with 2.5 mm. Use 1, 2 or 3 spacers
to reduce the stroke.
6
Make sure the spacer holder encloses
the stroke reducers. Push down the shim,
O-ring and the spacer holder to the end eye.
Assemble the air sleeve and set pressure.
Delivered with
stroke (mm)
(0 stroke
reducers)
Maximum
number of
stroke reducers
(Stroke lengths)
MTBM 2310
MTBM 2311 40 1 reducer
(37.5)
MTBM 2312
MTBM 2313 50 1 reducer
(47.5)
MTBM 2320
MTBM 2321
MTBM 2324
MTBM 2325
45 3 reducers
(37.5)
MTBM 2322
MTBM 2323
MTBM 2326
MTBM 2327
55 3 reducers
(47.5)
1
2
3
4/5
6
Spacer holder
encloses the
stroke reducers

Öhlins Racing AB
Box 722
S-194 27 Upplands Väsby, Sweden
Phone [phone]
fax [phone]
© Öhlins Racing AB. All rights
reserved. Any reprinting or
unauthorized use without the written
permission of Öhlins Racing AB
is prohibited.
Öhlins products are subject to
continuous improvement and
development. Although these
instructions include the most
up-to-date information available at
the time of printing, minor updates
may occur.
To nd the latest information contact
an authorized Öhlins service center.
Please contact an authorized Öhlins
service center if you have any
questions regarding the contents in
this document.
Part no. OM_07258-14_TXC Air
Issued 2023-03-09
Warning!⚠
Before riding, always make sure that the basic settings
are in line with the recommended setup data. Read
about adjustments and setting up in the shock Owner’s
Manual before you make any adjustments. Contact
an authorized Öhlins service center if you have any
questions about setting up the shock.
SETUP DATA
MAINTENANCE
Maintenance Interval
Clean dirt and debris from shock absorber Every ride
Check air pressure and set sag Every ride
Check torque on shock absorber mounting bolts Every ride
Air spring service 100 hours/ 1 year
Damper service 100 hours/ 2 years
Frequent service will keep performance at
its best and ensure years of great riding on
your Öhlins product. These are the minimum
service interval recommendations. Riding
style, riding conditions and setup have a big
impact on service intervals. For example,
heavy, hard-charging riders will require more
frequent service intervals.