6.Insert the new mounting screws through the wheel and the new spacers.
7.Thread the mounting screw into the rivnuts on the handrim.
NOTE: DO NOT tighten the screws.
NOTE: Screws and spacers are provided. DO NOT use the old screws and spacers, you may damage the thumb guard and void the warranty.
8. Center the handrim on the wheel.
NOTE: The thumb guard should not spin when pushed on and should be centered on the wheel. If the thumb guard tilts to one side, loosen the mounting screws and readjust the thumb guard.
9.Secure the handrim to the wheel by tightening the screws.
10.Reinstall the wheel onto the wheelchair. Refer to wheelchair owner’s manual.
11.Repeat STEPS
Mounting Screw
Wheel
Spacer 
Wider Edge 
Thumb Guard
Rivnut
Handrim 
FIGURE 1 Removing/Installing Handrims with Rivnuts®
2 | Part No. 1144492 |