TTX22M
Contents
1. properly It is very important that the front and the rear ride heights are within the specified values General setup By adjusting the shock absorber and test ing by trial and error you can learn how the dif ferent settings affect your bike Always begin your setup process by taking a test ride with all adjustments at their recommended basic set ting 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 bike 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 compromises need to be made Keep priority at e safe feeling stability comfort This will allow you to ride safer with more confi dence and use less energy Rebound damping The rebound adjuster controls the low speed rebound damping If the bike feels loose nervous and is trans ferring a lot of movement during acceleration and braking and or if the bike feels nervous over bumpy sections close the rebound adjuster one click If the bike feels hard harsh no comfort packs down under bumps and is difficult to enter corners with or does not stay in line over bumpy sections open the rebound adjuster one click If the bike feels unstable loose bouncy Increase rebound damping If the bike feels hard2. e nervous e low traction Decrease rebound damping Low speed compression damping The low speed adjuster is used to control the chassis movement towards the ground If you feel that the shock absorber feels soft spongy or the bike feels unstable for exam ple when going into a corner close two clicks clockwise If you feel that the bike feels hard and has poor traction open two clicks counter clockwise High speed compression damping The high speed adjuster has three positions soft II medium and III hard The shocks are delivered with the adjuster set to position Il This is the best all round set up and has the function that should suit most riders and tracks If you feel that the shock absorber is hard and harsh on small bumps and corners and have poor traction for the rear tire go to position If the bike feels soft has a low riding position and easily goes through the stroke or bottoms on landing after a jump go to position III If the bike feels soft low e is bottoming Increase compression damping If the bike feels e harsh hard Decrease compression damping Preventive maintenance and regular inspection reduces the risk of poor performance If there is any need for additional service please contact an Authorized Specialized Service Center Cleaning Clean the shock absorber externally with a mild detergent Use compressed air Be careful that all dirt is removed Lift
3. shock absorber on your bike you have made a clear statement you are a serious rider with focus on getting the maxi mum handling and outstanding feedback from your bike Along comes the fact that your shock absorber will be a long lasting friend delivering the very best of comfort and performance every time you go for a ride Go explore General Warnings Note The shock absorber is an important part of the bike and will affect the stability Note Read and ensure you understand the informa tion in this manual and other technical documents provided by Specialized before using the product Note U SAFETY SYMBOLS In this manual mounting instructions and other technical documents important infor mation concerning safety is distinguished by the following symbols A The Safety Alert Symbol means Warning Your safety is involved A Warning Ohlins Racing AB can not be held responsible for any damage to the shock absorber bike other property or injury to persons if the instructions for mounting usage and maintenance are not fol lowed exactly A Warning After installing the Ohlins product take a test ride at low speed to ensure your vehicle has main tained stability A Warning If the suspension makes an abnormal noise or the function is irregular or if you notice any leak age from the product stop the vehicle immediate ly and return the product
4. the bump rubber and clean the area below Keep the shock absorber clean and spray it with oil WD40 CRC 5 56 or equivalent after washing Mm Caution Never spray water directly on the adjuster knobs and or the ball joints Inspection 1 Check the ball joints for possible excessive play or stiction 2 Check the piston shaft for leakage and or damage 3 Check the shock absorber body for external damage 4 Check the rubber components for wear 5 Check the attachment points of the shock ab sorber to the vehicle Recommended Service Intervals Every 50 hours of riding or once 1 a year Disposal Discarded hlins products should be hand ed over to an Authorized Specialized Service Center for proper disposal Note The hlins shock absorber should only be filled with the hlins Shock Absorber Fluid part no 01304 01 Contact an Authorized Specialized Service Center for advice A Warning Never alter the gas pressure Proper knowledge special purpose charging equipment and access to nitrogen required 10 Ohlins Owner s Manual TTX22M Part No 07254 01 Issued 2013 05 06 Ohlins Racing AB Your Ohlins retailer Ohlins Racing AB Box 722 Phone 46 0 8 590 025 00 SE 194 27 Upplands Vasby Fax 46 0 8 590 025 80 Sweden www ohlins com
5. Shock absorber TTIXZZM 2014 Specialized Demo 2014 Specialized Enduro EVO Original Equipment Owner s Manual AR o OHLINS ADVANCED SUSPENSION TECHNOLOGY Ba Be N TER OW Ohlins Racing AB The Story It was the 1970 s a young man named Kenth Ohlin spent most of his spare time pursuing his favourite sport motocross Being a careful observer Kenth s atten tion was continually drawn to one specif ic detail motocross bikes had more engine power than their suspension could handle It was not long before Kenth realised that bet ter performance could be achieved by improved wheel suspension Ohlins Racing was established in 1976 and just two years later the company won its first World Championship title Despite being in the business for 35 years the search for perfection and new functions is still the main focus of the company Congratulations You are now the owner of an Ohlins Shock Absorber More than two hun dred World Championships and other major world titles are definitive proof that Ohlins shock absorbers offer outstanding performance and reliability Every product has gone through rigorous testing and engineers have spent thousands of hours doing their very best to use every possi ble experience from our 35 years within the rac ing sport The product that you now have in your pos session is pure racing breed that is built to with stand By installing this
6. de variety of spring stiff ness s and rider preferences without the need to change the rebound shim stack The fluid that was displaced into the reservoir during compression movement is now pushed back into the main body by the gas pressure an When changing spring rate or adjusting the spring preload by moving the spring seat you will lower or raise the bike ride height The sag is essential for the suspension func tion If you use a spring with incorrect spring rate or the preload is incorrectly set any other adjustments will not help to get the intended per formance from the suspension Change Spring and Set Spring Preload 1 Remove the rebound knob using a phillips screwdriver 2 Turn the spring seat to move it towards the cyl inder head 3 Press the spring against the spring seat to remove the spring clip 4 Remove the spring and replace it with one with the proper spring rate 5 Reinstall the spring clip 6 Turn the spring seat against the spring Preload the spring 1 2 full turns 7 Reinstall the rebound knob Note If a proper sag is not achieved by preloading the spring 1 2 full turns you may need to change spring rate Contact an Authorized Specialized Service Center for advice aie VI Compression damping controls the energy ab sorption when the shock absorber is being com pressed thus contro
7. ence and possibility to go faster down the track or up the hill The twin tube design also gives the possibility to have totally separated adjusters for compression and rebound damping Temperature stability is maintained by using a flow restriction design in the bleed valves that creates a turbulent flow at very low piston veloci ties Also materials with different thermal expan sion rates are used to compensate for the vis cosity change in the fluid due to temperature changes The hlins shim system offers infinite combi nations of shim stacks with a wide spectrum of different character using the same piston The whole system is pressurized by nitrogen gas behind a bladder to ensure gas and fluid being separated When the shock absorber moves the fluid inside is forced to flow through two types of orific es bleed valves and shim valves Bleed valves Fig 1 small orifices that create a flow restric tion simply by being small and shim valves Fig 2 where fluid pressure has to deflect thin steel washers shims to open up an orifice and allow fluid to flow through it To control damping force the bleed valves can be changed in size by the external adjusters compression and rebound 21 By altering the size of the shim stack number thickness diameter and shape on the shim valve the characteristics of the damping action can be changed amp Note Altering the size of the shim stack shall only be
8. ice is only authorized by an approved Spe cialized Service Center In some cases the shock absorber may need to be sent to another region for service Ohlins Racing AB All rights reserved Any reprinting or unauthorized use without the written permission of Ohlins Racing AB is prohibited Setting up your bike 8 Inspection and Maintenance 10 DESIGN Congratulations on hlins choosing the TTX22M bike shock absorber the most unique high performance racing shock absorber availa ble today This shock absorber design is the cul mination of two decades of hlins successful participation in World Championship events This shock absorber draws on all the exper tise developed by hlins while winning more than two hundred World Championships The TTX22M shock absorber is designed to handle the most challenging World Cup Downhill tracks while still providing a pedal efficiency for the flat and uphill sections The hlins TTX22M features a patented con cept with a unique twin tube design that allows for the gas pressure to always back up the low pressure side of the piston to keep pressure at a controlled level This ensures consistent damp ing performance on all types of terrain and improves damping response to give outstanding control of the bike and tire movements As a rider you will experience improved traction riding comfort and control which gives the confi d
9. ls how easily the shock ab sorber compresses when you hit a bump Rebound damping controls the energy absorp tion 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 posi tion position zero 0 Then turn counter clock wise to open and count the clicks until you reach the recommended number of clicks m Caution Turn gently not to damage delicate sealing sur faces Hand tighten only Compression Damping Adjuster 1 Adjust low speed To adjust turn the blue colored adjuster on the side of the cylinder head Turn clockwise to increase damping turn counter clockwise to decrease 2 Adjust high speed To adjust turn the black colored adjuster on the side of the cylinder head Position l soft II medium Ill hard Rebound Damping Adjuster 3 Adjust rebound Turn the gold colored adjuster on the end eye bracket Turn clockwise to increase damp ing turn counter clockwise to decrease amp Note The rebound adjuster is designed to compensate for temperature changes the number of clicks may differ slightly between a cold and a warm shock absorber The recommended setting ap plies for room temperature A Warning Before riding always ensure that the basic set tings made b
10. performed by an Authorized Specialized Service Center DE SIG Compression Damping When movement of the bike causes compres sion of the shock absorber Fig 3 the flu id above the piston is pressurized and has to move It has three different escape routes 1 Piston compression shim valve 2 Compression adjuster bleed valve 3 Compression adjuster shim valve The fluid will at every compression movement flow through all these routes but at low damp er velocities the percentage going through the bleed is higher and at higher velocities the shim valves take care of most of the flow The TTX twin tube concept offers more adjustability from the compression valve without increasing inter nal pressures due to its optional flow path During compression movement the piston rod volume is entering the main body and the corre sponding volume of damper fluid has to flow into the reservoir trough the compression valve the bladder compresses resulting in an increased gas pressure Rebound Damping When the spring forces the shock absorber to extend again Fig 4 the fluid below the pis ton is pressurized and forced to move Due to the check valve design all flow will go through the piston where the flow takes two different routes 1 Rebound adjuster bleed valve 2 Piston rebound shim valve This helps to increase rebound adjustment range which makes it easier to set up the shock absorber for a wi
11. to Authorized Special ized Service Center A Warning The product warranty shall only apply if the prod uct has been operated and maintained in accord ance with recommendations in this manual If you have any questions regarding usage service in spection and or maintenance please contact an Authorized Specialized Service Center Note When working with the Ohlins product always read the bike service manual Note This Manual shall be considered a part of the product and shall therefore accompany the prod uct throughout its life cycle The Warning Symbol means Failure to fol low warning instructions can result in se vere or fatal injury to anyone working with inspecting or using the shock absorber or to bystanders Mm Caution The Caution Symbol means Special pre cautions must be taken to avoid damage to the shock absorber Note The Note Symbol indicates information that is important regarding procedures Product Specific Warnings A Warning This product was developed and designed exclu sively for a specific bike model and shall only be installed on the intended bike model in its original condition as delivered from the vehicle manufac turer A Warning This product contains pressurized nitrogen gas N Do not open service or modify this product without proper education Authorized Specialized Service Center and proper tools Serv
12. y Ohlins are intact Adjust in small steps take notes and make only one adjustment at a time Setting Sag and Preload Setting the sag is a crucial part of setting your bike since it affects the height of the bike and the fork angle Note The following procedure should be performed on a flat surface Do not jump or bounce on your bike as it will result in inaccurate sag measure ment 1 Push the bump rubber up against the stop cap 2 Sit carefully on the bike in normal riding position properly outfitted in your riding gear 3 Gently step off the bike and measure the dis tance between the stop cap and the bump rubber Correct sag depends on bikes model and rid ers preferences If no other recommendations are given from the bike manufacturer follow the measures below Model Stroke Sag Enduro EVO 63 mm 25 30 16 19 mm Demo 75 mm 25 30 19 23 mm A Warning Incorrect spring rate may produce a fork angle that is too steep or too flat This may give a tendency for over or understeering which could seriously affect the handling characteristics of the bike Stability and traction All bikes are designed with a suspension geom etry including height and fork angle Changing components may affect this and it is therefore essential that the front and rear ends match each other Changing to Ohlins suspension gives optimum performance only when both the front fork and the rear suspension interact
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