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Woom Off Air Assembly Instructions

Woom OFF AIR 4, 5, 6 Assembly Guide

Woom Off Air assembly Instructions

Tools Needed

  • 4 mm Allen wrench (included)
  • 8 mm Allen wrench (included)
  • 15 mm wrench (included)

Step 1: Unpacking

  1. Remove Packaging:

    • Carefully cut through the cable ties and remove all packaging materials.
    • Ensure you do not damage the bike parts, especially the tires.
  2. Remove Protective Discs:

    • Take off the plastic protective disc from the rear derailleur.
  3. Note the Frame Number:

    • Write down the frame number located at the bottom of the frame for identification and warranty purposes.

Step 2: Mounting the Handlebar

  1. Prepare the Stem:

    • Unscrew the clamps from the stem.
  2. Insert the Handlebar:

    • Turn the handlebar 90° clockwise and insert it into the stem.
    • Ensure the brake cables and shift cable are to the left of the head tube.
  3. Align the Handlebar:

    • Make sure the cross mark is centered between the two clamps.
    • Adjust the tilt of the handlebar to the default setting (0°).
  4. Secure the Handlebar:

    • Screw on the clamps and tighten the screws slightly using the 4 mm Allen wrench.
    • Ensure the gap between clamps and stem is even at the top and bottom.


Step 3: Mounting the Saddle

  1. Adjust Saddle Height:

    • Open the seatpost clamp with a hex key.
    • Position the seat post at the appropriate height.
  2. Secure the Seat Post:

    • Tighten the seatpost clamp using the 4 mm Allen wrench.
    • Ensure the saddle is level and properly aligned.


Step 4: Mounting the Front Wheel

  1. Prepare the Fork:

    • Unscrew the through axle from the front fork.
    • Remove the plastic spacer from the brake caliper.
  2. Insert the Front Wheel:

    • Place the front wheel into the fork, ensuring the brake disc is on the left.
    • Make sure the brake disc is correctly seated in the brake caliper between the brake pads.
  3. Secure the Front Wheel:

    • Push in the through axle and tighten it using the 8 mm Allen wrench.
    • Ensure the quick-release lever is located in the recess and close the lever.


Step 5: Attaching the Pedals

  1. Identify the Pedals:

    • The pedals are labeled "L" for left and "R" for right.
  2. Attach the Pedals:

    • Screw the right pedal clockwise into the right crank arm.
    • Screw the left pedal counterclockwise into the left crank arm.
    • Tighten both pedals securely using the 8 mm Allen wrench.


Step 6: Installing Reflectors

  1. Attach Reflectors:
    • Attach the clip-on reflectors to the spokes.
    • Mount the white reflector to the handlebar and the red reflector to the seat post.


Step 7: Adjusting Handlebar and Brake Levers

  1. Adjust Brake Lever Position:

    • Use a 2 mm hex key to adjust the distance between the brake lever and the handlebar grip.
    • Ensure the brake lever does not touch the handlebar grip when applying maximum strength.
  2. Adjust Shifter Position:

    • Loosen the shifter clamping screw with a 5 mm hex key and reposition the shifter as needed.
    • Tighten the clamping screw to the specified torque.
  3. Adjust Handlebar Tilt:

    • Loosen the screws of the stem clamps slightly.
    • Adjust the tilt of the handlebar and tighten the screws alternately until all are firmly secured.


Step 8: Adjusting the Suspension Fork (Woom OFF AIR Only)

  1. Adjust Air Pressure:

    • Remove the valve cap from the upper left end of the air suspension fork.
    • Use a special absorber pump to fill the suspension fork with the correct air pressure according to your child's body weight.
  2. Adjust Rebound Damping:

    • Turn the red knob at the lower right end of the fork to adjust the rebound speed and damping.
  3. Adjust Compression Damping:

    • Turn the adjustment knob at the upper right end of the fork to adjust the compression speed and damping.
  4. Lockout Function:

    • Activate the lockout function by turning the compression damping adjustment lever counterclockwise until it stops.


Final Checks

  1. Ensure all bolts are securely tightened.
  2. Check the alignment of the handlebars, wheels, and saddle.
  3. Test ride the bike to ensure everything is working correctly.