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Step 4:
Attach the pump to
the valve.
Step 5:
Use the pump to
increase the pressure to
recommended pressure.
Step 6:
When pressure is
correct, remove the pump and
reinstall the cap.
43
Optibike R8C and R15C Manual
Recommended tire pressure is 20-40 Psi.
Check the side wall of your specific tires for allowable pressure
range.