Monitor Technology

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Replacement Tire Monitor (RTM)

• The RTM (Replacement Tire Monitor) provides the user with a warning when the tire is worn and has to be replaced. The inscription “Replacement Tire Monitor” shows three times on the circumferential rib of the new tire. Just before the tread reaches the minimum tread depth indicated by the TWI (Tread Wear Indicator bars), the inscription will change to “Replace Tire”.

Visual Alignment Indicator (VAI)

• The VAI (Visual Alignment Indicator) allows the user to check wheel misalignment to avoid irregular wear of the tires. The VAI is represented three times in the circumference of the tire by two additional sipes (1.6mm read depth) on the opposite shoulder blocks of the tire. If the sipes of the VAI wear off differently (one side more than the other for example), it means that there is potential misalignment of the wheels.
• This assists the driver in minimizing the chance of premature tire wear and provides the driver with the opportunity to have their tires aligned correctly before the tire is ruined.