Giant NRS 2004, Owner'S Manual

Page 1: ...Giant NRS Model Year 2004 Owners Manual July 2003 ...

Page 2: ...g rear travel 6 4 4 Selecting air pressure zero SAG adjustment 7 General 7 Simplified description 7 Entire description 8 4 5 Selecting air pressure adjustment with SAG 10 4 6 Air pressure setting 11 4 7 Damping adjustment 11 4 8 Rear suspension tuning 12 4 9 Removing the rear shock assembly or pivots 12 4 10 Shock pump 13 5 Tightening torque 13 6 Cleaning and maintenance 14 ...

Page 3: ...yment The GIANT NRS bikes have been designed as Cross Country racing bikes but are suitable for allround use as well However in order to fully understand all the bicycle features you must read this bicycle manual instructions for the suspension fork and other components provided by Giant and parts suppliers If you do not understand any information in the manuals or if you misplace any of them plea...

Page 4: ...22 A Top Tube mm measured horizontally 575 590 613 630 B Seat Tube mm 420 470 520 570 C Seat Tube Angle 72 degrees D Head Tube Angle 71 degrees E B B Drop mm 22 F Chain stays mm 425 G Fork Rake mm 38 H Trail mm 76 5 BB front hub c c 616 632 656 674 I Wheel Base mm 1040 1056 1080 1098 Rear Travel 75 95mm 3 3 inches ...

Page 5: ... bolt 1 pc per set 7 2 Teflon bushing 1 pc per set note 1 7 3 Bearing 1 pc per set 7 4 Spacer 1 pc per set 8 Pivot parts set Chain stays bottom bracket 1 8 1 Fixing bolt 1 pc per set same as 6 6 8 2 Washer 1 pc per set same as 4 2 and 6 5 8 3 Bearing 2 pcs per set 8 4 Spacer 2 pcs per set 8 5 Fixing nut 1 pc per set 9 Pivot parts set Dropouts chain stays 2 9 1 Fixing bolt 1 pc per set 9 2 Teflon w...

Page 6: ... top out feeling when the shock returns to its original position The air chamber has a valve to change the air pressure with a shock pump By inflating the air chamber the NRS system can be set up in such a way that maximum efficiency comfort and control easily can be obtained Bikes with NRS system come with a shock pump with gauge free of charge Please use this pump to inflate the rear shock Air p...

Page 7: ...nding on personal preference how fast or slow the course is and how high or low the shock impacts are Position 1 results in a 3 maximum rear wheel travel with a high rebound speed Position 2 results in a 3 maximum rear wheel travel and a lower rebound speed The ideal setting cannot be prescribed by Giant but here are some tips Position 1 with 3 travel may be an option for fast races or courses wit...

Page 8: ... principle of zero SAG That means that the rear shock is not compressed when the rider sits on the bike and rides on a nicely paved road It will only compress when the bike meets an obstacle Simplified description 1 Check the following table to find the correct air pressure depending on your weight Note for sure the pressure in the table is too low but you have to start with this value to find the...

Page 9: ...t up the shock 95 correctly It is impossible to take into consideration deviations in the air pump gauge and the rear shock Therefore we suggest making the following simple steps which offer two more ways to achieve the 100 correct setting The finishing touch to get to the zero SAG setting will give the optimal efficiency and the best performance It is important to understand that the shock should...

Page 10: ...larly at least every 2 weeks Of course the simplest way to check is the asphalt paved road test with high RPM see point no 11 14 Note by putting the pump on the shock the valve is opened and always some air pressure will be lost between 10 and 15 psi By taking the air pump from the valve no air pressure will be lost A small amount of air can be heard escaping this is between the valve and the gaug...

Page 11: ... need measuring tape and or calliper Step 1 Prepare the bicycle Set the saddle to the correct height for your riding style Attach all accessories bags water bottles etc that you would normally ride with Step 2 Prepare yourself Dress as you would for a normal ride including helmet cycling bag etc Step 3 Slide the rubber O ring F of the shock piston against the stop E See figure 3 Step 4 Remove the ...

Page 12: ...e rear shock by rotating the pump head a into the valve Don t over tighten 3 Inflate the shock to the desired pressure WARNING the air pressure should not exceed 300 psi 4 If the air pressure is over the desired value reduce the pressure by pushing the micro adjust button b 5 After inflating unscrew the head of the pump from the valve By taking the air pump from the valve no air pressure will be l...

Page 13: ...s subjective and cannot be fully prescribed by Giant If you need help contact your local authorised Giant dealer Different riders require different performance characteristics from their suspension A Heavier or more aggressive riders need higher air pressure and heavier slower damping B Lighter riders need lower air pressure and lighter damping For service in your country please contact a local au...

Page 14: ...hen re tightening them All bolts should be cleaned and re set using Loctite TM primer 7649 and Loctite TM blue Removable Threadlock 242 For the location and tightening torque of all bolts please refer to figure 6 Location Tools needed Recommended tightening torque 1 Main pivot BB chain stays 5 mm Allen keys 12 15 Nm 2 Chain stays seat stays pivots 5 mm Allen key 12 15 Nm 3 Linkage plate seat stays...

Page 15: ...h quality self lubricating Teflon TM or similar surfaced pivots See also the manuals of the suppliers of the suspension fork and other parts that come with this NRS bike Bicycles and bicycle components are more complex than ever before It is very important that your dealer carries out any repair or maintenance which is not described in this manual Consult your dealer for help in determining your m...

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