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K2 Bike K2 BICYCLE Owner's Manual

K2 bicycle owner's manual
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  • Page 2: For Multi-Speed Bicycles

    K2 Bike Owner’s Manual For Multi-Speed Bicycles - 2003 IMPORTANT: This manual contains important safety, performance and service information. Read it before you take the first ride on your new bicycle, and keep it for reference.

  • Page 3: Table Of Contents

    K2 Bike Owner’s Manual CONTENTS: General Warning Note to Parents 1. First A. Bike Fit B. Safety First C. Mechanical Safety Check D. First Ride 2. Safety A. The Basics B. Riding Safety C. Off-Road Safety D. Wet Weather Riding E.
  • Page 4 H. K2 Razorback Setup I. K2 Tirade Setup J. K2 Lithium Setup K. K2 Attack Setup 5. Service A. Service Intervals B. If Your Bicycle Sustains Impact 6. K2 Bike Support 7. K2 Bike Limited Warranty 8. K2 Bike Warranty Registration...

  • Page 5: General Warning

    GENERAL WARNING: Like any sport, bicycling involves risk of injury. By choosing to ride a bicycle, you assume the responsibility for that risk, so you need to know — and to practice — the rules of safe and responsible riding and of proper use and maintenance.

  • Page 6: Note To Parents

    Note for Parents: As a parent or guardian, you are responsible for the activities and safety of your minor child, and that includes making sure the bicycle is properly fitted to the child; that it is in good repair and safe operating condition; that you and your child have learned and understand the safe operation of the bicycle;...

  • Page 7: Safety First

    3. Are saddle and seatpost securely clamped? A correctly tightened saddle will allow no saddle movement in any direction. See Section 3.B for details. 4. Are the stem and handlebars at the right height for you? If not, see Section 3.C on what you can do about it. 5.

  • Page 8: Mechanical Safety Check

    C. Mechanical Safety Check Routinely check the condition of your bicycle before every ride. Nuts, bolts & straps: Make sure nothing is loose. Lift the front wheel off the ground by two or three inches, then let it bounce on the ground. Anything sound, feel or look loose? Do a quick visual and tactile inspection of the whole bike.

  • Page 9: First Ride

    Handlebar Ends: Make sure the handlebar grips are secure and in good condition. If not, replace them. Make sure the handlebar ends and extensions are plugged. If not, plug them before you ride. If the handlebars have bar end extensions, make sure they are clamped tight enough so you can’t twist them. If not, tighten them. WARNING: Loose or damaged handlebar grips or extensions can cause you to lose control and fall.

  • Page 10: Safety

    2. Safety WARNING: Failure to wear a helmet when riding may result in serious injury or death A. The Basics 1. Always wear a cycling helmet which meets the latest certification standards and follow the helmet manufacturer’s instructions for fit, use and care of your helmet. Most serious bicycle injuries involve head injuries which might have been avoided if the rider had worn a helmet.

  • Page 11: Riding Safety

    B. Riding Safely 1. Observe all local bicycle laws and regulations. Observe regulations about licensing of bicycles, riding on sidewalks, laws regulating bike path and trail use, and so on. Observe helmet laws, child carrier laws and special bicycle traffic laws. It’s your responsibility to know and obey the laws. 2.

  • Page 12: Off-Road Safety

    10. Never carry anything which obstructs your vision or your complete control of the bicycle, or which could become entangled in the moving parts of the bicycle. 11. Never hitch a ride by holding on to another vehicle. 12. Don’t do stunts, wheelies or jumps. They can cause you injury and damage your bike. 13.

  • Page 13: Wet Weather Riding

    responsibility to minimize your impact on the environment. Leave things as you found them; and always take out everything you brought in. 9. Be prepared. If something goes wrong while you’re riding off-road, help may not be close. D. Wet Weather Riding WARNING: Wet weather impairs traction, braking and visibility, both for the bicyclist and for other vehicles sharing the road.
  • Page 14 The mounting brackets of front and rear reflectors are often designed as cantilever brake straddle cable safety catches which prevent the straddle cable from catching on the tire tread if the cable jumps out of its yoke or breaks. WARNING: Do not remove the front or rear reflectors or reflector brackets from your bicycle.

  • Page 15: Downhill Or Competition Biking

    F. Downhill or Competition Biking If you ride downhill at speed or in competition, you voluntarily assume an increased risk of injury or death. When riding downhill, you can reach speeds seen on 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.

  • Page 16: Fit

    3. Fit WARNING: 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;...
  • Page 17 1. Up and Down Adjustment. Check for correct saddle height (fig. 3): • sit on the saddle; • place one heel on a pedal; • rotate the crank until the pedal with your heel on it is in the down position and the crank arm is parallel to the seat tube.

  • Page 18: Handlebar Height And Angle

    WARNING: After any saddle adjustment, be sure that the saddle adjusting mechanism is properly tightened before riding. A loose saddle clamp or seat post binder can cause damage to the seat post, or can cause you to lose control and fall. A correctly tightened saddle adjusting mechanism will allow no saddle movement in any direction.

  • Page 19: Control Position Adjustments

    WARNING: On some bicycles, changing the stem or stem height can affect the tension of the front brake cable, locking the front brake or creating excess cable slack which can make the front brake inoperable. If the front brake pads move in towards the wheel rim or out away from the wheel rim when the stem or stem height is changed, the brakes must be correctly adjusted before you ride the bicycle.

  • Page 20: Wheels

    4. Tech It’s important to your safety, performance and enjoyment to understand how things work on your bicycle. If you have even the slightest doubt as to whether you understand something in this section of the Manual, talk to your dealer.

  • Page 21: Removing And Installing Quick Release Wheels

    Secondary retention devices fall into two basic categories: a. The clip-on type is a part the manufacturer adds to the front wheel hub or front fork. b. The integral type is molded, cast or machined into the outer faces of the front fork dropouts. WARNING: Removing or disabling the secondary retention device is extremely dangerous and may lead to serious injury or death.
  • Page 22 WARNING: The full force of the cam action is needed to clamp the wheel securely. Holding the nut with one hand and turning the lever like a wing nut with the other hand until everything is as tight as you can get it will not clamp the wheel safely in the dropouts.
  • Page 23 (5) If the lever cannot be pushed all the way to a position parallel to the fork blade, return the lever to the OPEN position. Then turn the tension-adjusting nut counterclockwise one-quarter turn and try tightening the lever again. (6) Re-engage the brake quick-release mechanism to restore correct brake pad-to-rim clearance; spin the wheel to make sure that it is centered in the frame and clears the brake pads;...

  • Page 24: Removing And Installing Bolt On Wheels

    (5) Tighten the quick-release adjusting nut until it is finger tight against the frame dropout; then swing the lever toward the front of the bike until it is parallel to the frame’s chainstay or seatstay and is curved toward the wheel (fig. 7b). To apply enough clamping force, you should have to wrap your fingers around a frame tube for leverage, and the lever should leave a clear imprint in the palm of your hand.
  • Page 25 (3) If your front fork has a clip-on type secondary retention device, disengage it and go to he next step. If your front fork has an integral secondary retention device, loosen the axle nuts enough to allow wheel removal; then go to the next step. (4) Raise the front wheel a few inches off the ground and tap the top of thewheel with the palm of your hand to knock the wheel out of the fork ends.

  • Page 26: Seatpost Quick Release

    WARNING: If your bike is equipped with an internal gear rear hub, do not attempt to remove the rear wheel. The removal and re-installation of internal gear hubs require special knowledge. Incorrect removal or assembly can result in hub failure, which can cause you to lose control and fall. Installing a Bolt-On Rear Wheel (1) Shift the rear derailleur to its outermost position and pull the derailleur body back with your right hand.

  • Page 27: Brakes

    Adjusting the seatpost quick release mechanism. The action of the quick release cam squeezes the seat collar around the seat post to hold the seat post securely in place. Clamping force is controlled by the tension adjusting nut. Turning the tension-adjusting nut clockwise while keeping the cam lever from rotating increases clamping force; turning it counterclockwise while keeping the cam lever from rotating reduces clamping force.
  • Page 28 Brakes are designed to control your speed, not just to stop the bike. Maximum braking force for each wheel occurs at the point just before the wheel “locks up” (stops rotating) and starts to skid. Once the tire skids, you actually lose most of your stopping force and all directional control.

  • Page 29: Shifting Gears

    other hazards and distractions. Everything changes when you ride on loose surfaces or in wet weather. Tire adhesion is reduced, so the wheels have less cornering and braking traction and can lock up with less brake force. Moisture or dirt on the brake pads reduces their ability to grip. The way to maintain control on loose or wet surfaces is to go more slowly to begin with.
  • Page 30 1. How a Derailleur Drivetrain Works a. Parts of the Drivetrain. If your bicycle has a derailleur drivetrain, the gear- changing mechanism will have: a rear cassette or freewheel sprocket cluster a rear derailleur usually a front derailleur one or two shifters one, two or three front sprockets called chainrings b.
  • Page 31 CAUTION: Never move the shifter while pedaling backward, nor pedal backwards after having moved the shifter. This could jam the chain and cause serious damage to the bicycle. c. Shifting the Rear Derailleur. The rear derailleur is controlled by the right shifter. The function of the rear derailleur is to move the drive chain from one gear sprocket to another.
  • Page 32 At first, practice shifting where there are no obstacles, hazards or other traffic, until you’ve built up your confidence. If you have difficulties with shifting, the problem could be mechanical adjustment. See your dealer for help. 2. How an Internal Gear Hub Drivetrain Works. If your bicycle has an internal gear drivetrain, the gear changing mechanism will consist of: •...

  • Page 33: Pedals

    E. Pedals Some higher performance bicycles come equipped with pedals that have sharp and potentially dangerous surfaces. These surfaces are designed to add safety by increasing adhesion between the rider’s shoe and the pedal. If your bicycle has this type of high-performance pedal, you must take extra care to avoid serious injury from the pedals’ sharp surfaces.
  • Page 34 WARNING: Getting into and out of pedals with toeclips and straps requires skill which can only be acquired with practice. Until it becomes a reflex action, the technique requires concentration which can distract the rider’s attention, causing you to lose control and fall. Practice the use of toeclips and straps where there are no obstacles, hazards or traffic.

  • Page 35: Bicycle Suspension

    F. Bicycle Suspension WARNING: Failure to maintain, check and properly adjust the suspension system may result in suspension malfunction, which may cause you to lose control and fall. WARNING: Changing suspension adjustment can change the handling and braking characteristics of your bicycle.

  • Page 36: Tires And Tubes

    G. Tires and Tubes 1. Tires. Bicycle tires are available in many designs and specifications, ranging from general-purpose designs to tires designed to perform best under very specific weather or terrain conditions. If, once you’ve gained experience with your new bike, you feel that a different tire might better suit your riding needs, your dealer can help you select the most appropriate design.
  • Page 37 WARNING: Never inflate a tire beyond the maximum pressure marked on the tire’s sidewall. Exceeding the recommended maximum pressure may blow the tire off the rim, which could cause damage to the bike and injury to the rider and bystanders. CAUTION: Pencil type automotive tire gauges can be inaccurate and should not be relied upon for consistent, accurate pressure readings.

  • Page 38: K2 Razorback Setup

    tires. To inflate a Presta valve tube using a Presta headed bicycle pump, remove fig. 24 the valve cap; unscrew (counterclockwise) the valve stem lock nut; and push down on the valve stem to free it up. Then push the pump head on to the valve head, and inflate.
  • Page 39 2. Rebound Adjustment. All K2 Razorback rear shock units are equipped with a rebound adjustment. Rebound is the movement of the shock unit from a compressed mode to an uncompressed mode. Rebound damping controls the speed at which the shock returns to the uncompressed position. While riding, the shock unit is constantly moving between compressed and non-compressed modes.

  • Page 40: K2 Tirade Setup

    4. Adjustable Geometry. geometry. The integrated shock mount comes with an A and a B position. The two positions allow you to set up the bicycle with a 71.8 degree head angle with a 3 inch or 4 inch travel fork. It is also possible to adjust the geometry to your personal preference.
  • Page 41 c. Adjusting the Coil Shock Preload. (1) A coil-sprung shock’s preload is adjusted by rotating the knurled preload nut that compresses the coil. By gripping the spring as in (fig. 30) and rotating, you can usually perform the adjustment. To begin, loosen the preload completely until the coil is loose.
  • Page 42 2. Wheel Travel Adjustment. The K2 Tirade offers three travel options; with two inches of range we call Broadband Travel. The travel increments will match up to the most popular suspension fork offerings for a truly balanced ride. Position A, as in (fig. 32), will give you 6”...
  • Page 43 NOTE: For more information, visit the Tech areas of www.K2Bike.com and www.answerproducts.com J. Lithium Set-Up Instructions 1. Spring Preload Adjustment. To receive the best performance from your K2 Lithium, it is necessary to adjust the suspension. a. What is Sag? “Sag” is the amount a shock compresses (or sags) when you sit on the bicycle. Increasing the spring preload will make the shock sag, or compress less.
  • Page 44 c. Adjusting the Coil Shock Preload. (1) A coil-sprung shock’s preload is adjusted by rotating the knurled preload nut that compresses the coil. By gripping the spring as in (fig. 30) and rotating, you can usually perform the adjustment. To begin, loosen the preload completely until the coil is loose.
  • Page 45 3. Rebound Adjustment. All K2 Lithium shock units are equipped with rebound adjustment. Rebound is the movement of the shock unit from a compressed mode to an uncompressed mode. Rebound damping controls the speed at which the shock returns to the uncompressed position. While riding, the shock unit is constantly moving between compressed and non-compressed modes.
  • Page 46 (1) Measure the shock eye-to-eye (the distance from the center of one mounting bolt to the center of the other mounting bolt). Call this dimension “A.” (2) Sit on the bicycle in a normal riding position, weighting both the handlebars and saddle. shock unit eye-to-eye.

  • Page 47: Service

    3. Rebound Adjustment. The K2 Attack 2.0 shock units are equipped with rebound adjustment. Rebound is the movement of the shock unit from a compressed mode to an uncompressed mode. Rebound damping controls the speed at which the shock returns to the uncompressed position. While riding, the shock unit is constantly moving between compressed and non-compressed modes.

  • Page 48: Service Intervals

    • Ask your dealer for copies of the manufacturer’s installation and service instructions for the components on your bike, or contact the component manufacturer. • Ask your dealer to recommend a book on bicycle repair. • Ask your dealer about the availability of bicycle repair courses in your area. Regardless of which option you select, we recommend that you ask your dealer to check the quality of your work the first time you work on something and before you ride the bike, just to make sure that you did everything correctly.
  • Page 49 3. After Every Long or Hard Ride: If the bike has been exposed to water or grit; or at least every 100 miles: Clean the bike and lightly oil the chain. Wipe off excess oil. Lubrication is a function of climate. Talk to your dealer about the best lubricants and the recommended lubrication frequency for your area.
  • Page 50 6. Every 25 Hours of Hard Off-Road Riding or 50 Hours of Road Riding: Take your bike to your dealer for a complete checkup. WARNING: Like any mechanical device, a bicycle and its components are subject to wear and stress. Different materials and mechanisms wear or fatigue from stress at different rates and have different life cycles.

  • Page 51: If Your Bicycle Sustains Impact

    7. K2 Bike Limited Warranty K2 Bike offers a warranty for every bicycle we manufacture. Please visit our web site www.K2Bike.com for the warranty that applies to your particular model. If you do not have internet access, please contact K2 for a written...

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