1999 SID Rear Shock Owner`s Manual
Contents
1. Eyelet External Rebound Adjustment Positive Spring Compression Can Negative Spring PAGE 4 PN 950 001973 00 Rev A SID Rear Shock Features e New air spring technology with a positive and negative chamber e External positive and negative air spring adjustment e External rebound adjustment some models e Super light integrated design e Tango tuned to perform in conjunction with RockShox front forks STANDARD EQUIPMENT SUPPLIED WITH SID REAR SHOCKS Mounting Hardware Owner s Manual Constant fill air adapter OPTIONAL EQUIPMENT Pump with Schrader valve Consumer Safety Information Riding a bike is dangerous Not properly maintaining or inspecting your bike is even more dangerous It s also dangerous not to read these Instructions 1 Before riding the bicycle be sure the brakes are properly installed and adjusted If the brakes don t work properly the rider could suffer serious and or fatal injuries 2 If the shock ever loses oil or if it makes sounds of excessive topping out stop riding the bicycle immediately and have the shock inspected by a dealer or call RockShox Continuing to ride with the shock in either of these conditions could result in loss of control of the bicycle with possible serious and or fatal injuries 3 Always use genuine RockShox parts Use of after market replacement parts voids the warranty and could cause structural failure to the shock Structural failure could2. cap 3 Lightly thread the constant fill adapter onto the negative air valve Do not over tighten Fill the shock to the desired air pressure We recommend starting with equal or slightly less pressure than that of the positive air chamber Notice the sag increases and the shock gets more supple as you add more air into the shock Add the desired negative air pressure Remove the pump when the spring rate is achieved 6 Reinstall the cap ADVANCED TUNING HINTS e Negative air pressure tunes sag Typically sag is 25 percent of all available wheel travel for cross country and 33 percent for downhill e Aggressive riding or rough terrain may warrant a higher spring rate e Faster more responsive steering can be achieved by decreasing the sag at the rear of the bike increases head angle Slower and more stable steering can be achieved by increasing the sag at the rear of the bike decreases head angle Using less negative air pressure than positive air pressure will give you an easier climbing ride Using more negative air pressure than positive air pressure will give you a plush downhill ride e To determine maximum travel leave 50 psi in each air chamber positive and negative Place a zip tie around the body so that when the shock is compressed it moves the tie down on the body to mark maximum travel Push on the seat or ride the bike to determine maximum travel be sure shock is filled with air before riding PN 950 00
3. pressure you run in the shock varies depending on weight and riding style Air pressure can be changed in either the positive or negative air chamber see fig 1 The following sections will explain the differences between the positive and negative air pressure as well as how to adjust both features COMPRESSION AIR CHAMBER POSITIVE The valve on the large diameter of the shock is for positive air pressure fig 1 Adjusting positive air pressure determines the spring rate or stiffness of the shock The more air you put in the firmer your shock will get Fig 1 For heavier more aggressive riders we recommend increasing the air pressure in the compression chamber By using a hand pump you may change the air pressure in the positive air chamber main spring GOAL Find the air pressure that allows you to use the maximum travel available Ideally you want the shock to occasionally bottom out DO THE FOLLOWING TO ADJUST THE POSITIVE AIR CHAMBER FOR PROPER SPRING RATE 1 Locate the positive compression air valve fig 1 Tip AROUND THE SHOCK IS A DECAL LISTING AIR PRESSURE RANGE THIS RANGE IS RECOMMENDED FOR YOUR PARTICULAR BICYCLE AND SHOULD BE USED AS A STARTING POINT WHEN CHOOSING AIR PRESSURE LIGHTER RIDERS SHOULD START AT THE BOTTOM OF THE RANGE WHILE HEAVIER RIDERS SHOULD START AT THE TOP WE RECOMMEND STARTING OUT SOFTER AND WORKING YOUR WAY UP 2 Remove the positive air valve cap Slight air pressure
4. turn in the rebound until the bobbing disappears Maintenance RockShox SID shock is designed for high performance To insure this we recommend keeping the shock body as clean as possible It is also recommended that the shock be overhauled by a qualified mechanic with proper tools once a year or more often if you ride in extreme conditions A service manual explaining overhaul procedures is available through your local dealer or from RockShox direct at 1 800 677 7177 Over time the oil inside the shock will degrade and the shock will start to lose damping The shock will compress and rebound too fast when damping loss is significant This indicates the shock needs to be serviced This service should only be performed by a RockShox dealer or call RockShox direct Lubrication of Air Spring Once per year This service requires the current RockShox Deluxe Service Manual Seal Inspection and Replacement This service requires the current RockShox Deluxe Service Manual Air Spring Pressure Check every ride slight air loss might occur over a few days PAGE 8 PN 950 001973 00 Rev A GENERAL UPKEEP Washing Your Deluxe Shock Clean your shock with mild soap and a toothbrush Keep the body and body eye bushings cleaned and greased IMPORTANT NEVER USE A HIGH POWERED WASHER FOR CLEANING THE SHOCK Oil Change Intervals We recommend that the oil be changed in your shock annually However if you ride in extreme conditions the oil should be cha
5. 1973 00 Rev A PAGE 7 Rebound Damping Adjustment some models The SID shock includes a red rebound damping adjustment knob The rebound controls the extension or return of the shock The shock s rebound is quickest when the adjustment knob is in the full counterclockwise position Rebound is slowest when the adjustment knob is in the full clockwise position DOWNHILL TUNING To optimize the downhill rebound do a washboard test Use a typical ride that has washboard or braking bumps Go through the washboard or braking bumps a couple times to feel for consistency through the bumps The rebound is just right when the wheel follows each bump and feels smooth throughout The first bump should be as smooth as the last bump SYMPTOMS OF TOO MUCH REBOUND Slow shock return where the shock feels good through the first few bumps and gets harder as you continue means there is too much rebound In addition while breaking the rear wheel will tend to skip over the bumps To adjust it for more consistency and better breaking turn the rebound knob a half turn counterclockwise and test it again SYMPTOMS OF TOO LITTLE REBOUND Too little rebound is when the shock returns too fast and the bike seems to want to buck you off or the rear wheel skips out Turn the rebound knob a half turn clockwise to slow the rebound down for more consistency and better braking through the bumps ADVANCED HINTS For bikes that need to be adjusted for rebound when climbing
6. 1999 SID Rear Shock Owner s Manual s 4 P A At A Glance Maintenance Interval Checklist Check the following for each maintenance interval For further details see page 8 Every RIDE Inspect EicnT Hours or RIDING ANNUALLY Wipe shock body clean Clean and grease body eye Change oil Check for damage Overhaul shock Check air pressure in positive and negative chamber IMPORTANT TO MAINTAIN HIGH PERFORMANCE SAFETY AND LONG LIFE PERIODIC MAINTENANCE IS REQUIRED PERFORM MAINTENANCE MORE OFTEN IF YOU RIDE IN EXTREME CONDITIONS PAGE 2 PN 950 001973 00 Rev A Table of Contents EGO CHU 4 FEAT anoda 5 Ce SAY MONS conn ccorocn ws scocaaanvecannnccosuaaouandsccaon 5 MARE ite Cr CU 5 TUTO O RP etter ara a RU a 6 MAIN EN ANG seca era o o AT 8 Gloscatyoislerms Re 9 Exploded DPA 10 VEZ O Sn nane nan oD anna na nn 11 Rail Dimons 1 oooooo5ooooG0 60080008 00 b 668d 0 ko 9048008069301 11 PN 950 001973 00 Rev A PAGE 3 CONGRATULATIONS YOU HAVE PURCHASED THE BEST SHOX IN SUSPENSION COMPONENTS ROCKSHOX PRODUCTS e ARE MADE OF LIGHTWEIGHT HIGH STRENGTH MATERIALS AND ARE DESIGNED TO BALANCE HIGH PERFORMANCE WITH EASE OF MAINTENANCE THIS MANUAL CONTAINS IMPORTANT INFORMATION ABOUT THE SAFE INSTALLATION OPERATION AND MAINTENANCE OF YOUR PURCHASE WE URGE YOU TO READ IT CAREFULLY BECOME FAMILIAR WITH ITS CONTENTS AND FOLLOW OUR RECOMMENDATIONS TO HELP MAKE YOUR BICYCLING EXPERIENCE ENJOYABLE AND TROUBLE FREE
7. ap 17 Mount Bushing 18 Mount Spacer 19 Piston Bolt 20 Shim PAGE 10 NO CO ONV OS D e 21 Shim 22 Shim 23 Shim 24 Piston 25 Piston Ring 26 Shim 27 Shim 28 Shim 29 Shim 30 Stop Washer 31 Top Out Pad 32 Seal Head Washer 33 Seal U cup 34 Shock Shaft 1 25T 34 Shock Shaft 1 50T 34 Shock Shaft 2 0T 35 Shaft Bushing 36 Adjuster Rod 1 25T 36 Adjuster Rod 1 50T 36 Adjuster Rod 2 0 37 Adjuster Rod O ring 38 Seal Head 39 Seal U cup 40 SealHead O ring 41 Bottom out Bumper 42 Decal Cover 43 Shaft Eyelet 44 Rebound Detent Ball 45 Adjuster Screw 46 Adjuster Knob 47 Rebound Knob Screw 48 Rebound Detent Spring 49 Air Valve O ring 50 Air Cap O ring 51 Air Plug 52 Fixed Piston O ring 53 Quad Ring 54 Glide Ring 55 Shaft O ring 56 Can O ring PN 950 001973 00 Rev A PURCHASE IS REQUIRED IF FOR ANY REASON IT SHOULD BE NECESSARY TO HAVE WARRANTY WORK DONE RETURN THE PRODUCT TO THE PLACE OF PURCHASE IN THE USA DEALERS SHOULD CALL FOR A RETURN AUTHORIZATION NUMBER RA PRIOR TO RETURNING PRODUCT PRODUCTS RETURNED FOR INSPECTION MUST BE SENT FREIGHT PREPAID TO RockShox Inc 401 Charcot Ave San Jose CA 95131 www rockshox com WARRANTY REPAIR FAX 408 428 9757 e mail us at TechSupport rockshox com Toll Free Technical Support in the USA 800 677 7177 Customers in countries other than the USA should contact their local dealer or distributor International Distributor Li
8. may build up under the cap causing it to pop off this is normal Be careful not to lose the cap PAGE 6 PN 950 001973 00 Rev A Lightly thread constant fill adapter onto positive air valve Do not over tighten Fill shock to desired spring rate air pressure Carefully push down on seat with pump installed You may feel what the extra air does Record the final PSI rating Remove the pump once the spring rate is achieved DOr 5 SBD Reinstall the cap tightening by hand NEGATIVE AIR CHAMBER The negative air valve fig 1 sets the characteristics feel of your bike You may change the air pressure for the negative spring using a hand pump Increasing the negative spring pressure is ideal for plush downhill riding Decreasing the air is ideal for climbing Do THE FOLLOWING TO ADJUST THE NEGATIVE AIR SPRING FOR DESIRED RIDE CHARACTERISTICS 1 Locate the negative air valve TIP THE DECAL AROUND THE VALVE INCLUDES PRESSURE RANGES THIS WILL GIVE YOU YOUR STARTING POINT FOR THE NEGATIVE AIR PRESSURE WHICH EQUALS POSITIVE PRESSURE 20 PSI FOR EXAMPLE IF THERE IS 150 PSI IN THE POSITIVE AIR VALVE THEN 150 psi 20 psi 130 psi for a cross country ride 150 psi 20 psi 170 psi for a plush downhill ride Between 130 to 170 psi gives you a mixture of cross country and downhill 2 Remove the negative air valve cap Slight air pressure may build up under the cap causing it to pop off this is normal Be careful not to lose the
9. nged more often than once a year Oil Leaks One hundred percent serviceable Contact a local RockShox dealer or RockShox direct to have your rear shock serviced Glossary of Terms Bottoming Out the condition when all suspension travel has been used up Compression Stroke the upward motion of a fork which is moving in response to a bump impact Damping Force the force required to move a shock absorber damper general oil at any given speed Forged a metal forming process which optimizes material structure using very large forces acting on a die mold in which material to formed is placed Geometry Descriptive term for the lengths and angles used in a bicycle design Head angle Angle the steering axis leans back from vertical Increased head angle makes steering faster and decreased head angle makes steering slower One piece unitized lower leg assembly with both fork legs and fork brace cast as one piece Preload The amount either in pounds or inches a spring is compressed when fitted to an extended shock absorber Rebound The extension or return direction of the shocks or suspension Sag compression of the suspension caused by the rider s weight Spring rate The amount of force required to deflect a spring a given distance Tapered varying wall thickness of a tube A design to optimize placement of material allowing most efficient design considering the loads Topping out the po
10. result in loss of control of the bicycle with possible serious and or fatal injuries Installation Instructions It is extremely important that your RockShox Deluxe shock is installed correctly by a qualified technician with proper tools Consult your bicycle manufacturers instructions for proper installation of your SID shock Improperly installed Deluxe shocks can be extremely dangerous and can result in severe injuries PN 950 001973 00 Rev A PAGE 5 Tuning Your Rear Shock By adjusting the air pressure the RockShox Sid rear shock can be tuned to your particular weight riding style and terrain This shock is designed to be tuned for the soft plush downhill ride or the long climbs or a combination of both When tuning suspension always make one change at a time and write it down This takes patience but allows you to understand how each change affects your ride Use a familiar trail to make small adjustments at a time To understand the tuning range it may also help if you ride one extreme to the other low vs high pressure or maximum vs minimum rebound Keeping a record lets you know what changes you have tried that work and suggests what changes you might try Ask a shop or local riders what they have found works well These resources are typically your best bet but don t hesitate to call RockShox about specific tuning needs when necessary A list of phone numbers is on page 12 Selecting Air Pressure Spring Rates The air
11. sition of the fork at the top of the travel or when the fork is fully extended The action of complete extension of the fork IMBA Rules of the Trail e Ride on open trails only e Leave no trace e Control your bicycle e Always yield trail e Never spook animals PN 950 001973 00 Rev A PAGE 9 o a 6 F Tp fe te ke 9090 t D4 dt 600 6 AB Al Warranty ROCKSHOX INC WARRANTS ITS PRODUCTS FOR A PERIOD OF ONE YEAR FROM ORIGINAL DATE OF PURCHASE TO BE FREE FROM DEFECTS IN MATERIALS OR WORKMANSHIP ANY ROCKSHOX PRODUCT THAT IS RETURNED TO THE FACTORY AND IS FOUND BY ROCKSHOX TO BE DEFECTIVE IN MATERIALS OR WORKMANSHIP WILL BE REPAIRED OR REPLACED AT THE OPTION OF ROCKSHOX INC THIS WARRANTY IS THE SOLE AND EXCLUSIVE REMEDY ROCKSHOX SHALL NOT BE HELD LIABLE FOR ANY INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES THE WARRANTY DOES NOT APPLY TO PRODUCTS WHICH HAVE NOT BEEN PROPERLY INSTALLED AND ADJUSTED ACCORDING TO ROCKSHOX INSTALLATION INSTRUCTIONS THE WARRANTY DOES NOT COVER ANY PRODUCT THAT HAS BEEN SUBJECT TO MISUSE OR WHOSE SERIAL NUMBER HAS BEEN ALTERED DEFACED OR REMOVED THIS WARRANTY DOES NOT COVER PAINT DAMAGE OR MODIFICATIONS TO THE PRODUCT PROOF OF 99 SID Rear Shock U cup Bearing Can Mount Sleeve Mount O ring Body Air Valve 10 Ring Aluminum Air Valve 11 Floating Piston O ring 2 Floating Piston 13 Fixed Piston 14 Air Valve 15 Valve Core 16 C
12. st Argentina Canada Denmark Broni S A Bell Sports Canada ETTOL Bike A S Phone 54 12 92 3000 Phone 514 378 0452 Phone 458 621 4555 FAX 54 12 92 4453 FAX 514 378 9934 FAX 458 621 4255 Australia Chile Ecuador Bell Sports Australia Bicicletas Belda Limitada Bici Sport Phone 61 2 9700 1655 Phone 56 32 881799 Phone 5932 248737 FAX 61 2 9700 1656 FAX 56 32 978799 FAX 5932 253691 Austria Colombia Estonia Barisitz Austria Disandina Ltda Estonian Unidream Phone 43 512 39 22 87 Phone 576 320 5162 Phone 372 223 2976 FAX 43 512 39 45 19 FAX 576 320 4816 FAX 372 636 74 70 Belgium Costa Rica Finland Vertex Cycle Systems BV SPC Bicicletas Mr Cool OY Phone 31 23 57 18184 Phone 506 296 3383 Phone 358 9 320817 FAX 31 23 57 18606 FAX 506 220 3580 FAX 358 9 320609 Brazil Czech Republic France Pacific Bicycle Company Velo Gepard Ltd Philamy S A Phone 55 11 816 2249 Phone 4202 243 15631 Phone 33 492 70 9700 FAX 55 11 816 0544 FAX 4202 243 16189 FAX 33 492 72 6070 PN 950 001973 00 Rev A Pace 11 1999 SID Rear Shock Owner s Manual PN 950 001973 00 Rev 1998 RockShox Inc
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