Jamis Bicycle Owner's Manual - page 9
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G. `Changing Components or Adding Accessories
There are many components and accessories available to enhance the comfort, performance and appearance of your bicycle. However, if
you change components or add accessories, you do so at your own risk. The bicycle’s manufacturer may not have tested that component or
accessory for compatibility, reliability or safety on your bicycle. Before installing any component or accessory, including a different size tire,
make sure that it is compatible with your bicycle by checking with your dealer. Be sure to read, understand and follow the instructions that
accompany the products you purchase for your bicycle. See also Appendix A, p. 35 and B,
p. 41.
WARNING: Failure to confirm compatibility, properly install, operate and maintain any component or accessory can result in
serious injury or death.
WARNING: Changing the components on your bike with other than genuine replacement parts may compromise the safety of
your bicycle and may void the warranty. Check with your dealer before changing the components on your bike.
3. Fit
NOTE: Correct fit is an essential element of bicycling safety, performance and comfort. Making the adjustments to your bicycle
which result in correct fit for your body and riding conditions requires experience, skill and special tools. Always have your dealer
make the adjustments on your bicycle; or, if you have the experience, skill and tools, have your dealer check your work before riding.
WARNING: If your bicycle does not fit properly, you may lose control and fall. If your new bike doesn’t fit, ask your dealer to
exchange it before you ride it.
A. Standover height
1. Diamond frame bicycles
Standover height is the basic element of bike fit (see ). It is the distance from the ground to the top of the bicycle’s frame at that point
where your crotch is when straddling the bike. To check for correct standover height, straddle the bike while wearing the kind of shoes in
which you’ll be riding, and bounce vigorously on your heels. If your crotch touches the frame, the bike is too big for you. Don’t even ride the
bike around the block. A bike which you ride only on paved surfaces and never take off-road should give you a minimum standover height
F. Extreme, stunt or competition riding
Whether you call it Aggro, Hucking, Freeride, North Shore, Downhill, Jumping, Stunt Riding, Racing or something else: if you engage in
this sort of extreme, aggressive riding you will get hurt, and you voluntarily assume a greatly increased risk of injury or death.
Not all bicycles are designed for these types of riding, and those that are may not be suitable for all types of aggressive riding. Check with
your dealer or the bicycle’s manufacturer about the suitability of your bicycle before engaging in extreme riding.
When riding fast down hill, you can reach speeds achieved by motorcycles, and therefore face similar hazards and risks. Have your
bicycle and equipment carefully inspected by a qualified mechanic and be sure it is in perfect condition. Consult with expert riders, area
site personnel and race officials on conditions and equipment advisable at the site where you plan to ride. Wear appropriate safety gear,
including an approved full face helmet, full finger gloves, and body armor. Ultimately, it is your responsibility to have proper equipment and
to be familiar with course conditions.
WARNING: Although many catalogs, advertisements and articles about bicycling depict riders engaged in extreme riding,
this activity is extremely dangerous, increases your risk of injury or death, and increases the severity of any injury. Remember
that the action depicted is being performed by professionals with many years of training and experience. Know your limits and
always wear a helmet and other appropriate safety gear. Even with state-of-the-art protective safety gear, you could be seriously
injured or killed when jumping, stunt riding, riding downhill at speed or in competition.
WARNING: Bicycles and bicycle parts have limitations with regard to strength and integrity, and this type of riding can exceed
those limitations.
We recommend against this type of riding because of the increased risks; but if you choose to take the risk, at least:
•Takelessonsfromacompetentinstructorfirst
•Startwitheasylearningexercisesandslowlydevelopyourskillsbeforetryingmoredifficultordangerousriding
•Useonlydesignatedareasforstunts,jumping,racingorfastdownhillriding
•Wearafullfacehelmet,safetypadsandothersafetygear
•Understandandrecognizethatthestressesimposedonyourbikebythiskindofactivitymaybreakordamagepartsofthebicycleand
void the warranty
•Takeyourbicycletoyourdealerifanythingbreaksorbends.Donotrideyourbicyclewhenanypartisdamaged.
If you ride downhill at speed, do stunt riding or ride in competition, know the limits of your skill and experience. Ultimately, avoiding injury
is your responsibility.