TWI
Definition
Treadwear indicator. A small raised ridge moulded across the tread groove of every tire at 1.6 mm depth. When the surrounding tread wears down to the TWI, the tire is bald. The 1.6 mm minimum is mandated in India by CMVR Rule 94.
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Explained in
- Track Marks: Foot, Shoe, Tire, Skid Marks and Gait PatternTreadwear indicator. A small raised ridge moulded across the tread groove of every tire at 1.6 mm depth. When the surrounding tread wears down to the TWI, the...