SRW vs Dually

My OEM Firstone AT did not make 30K. The Michelin Defender LRX M/S have 33-34K and are showing lots of tread left. They should make at least 50-60K. I will measure tread depth later this morning. BTW I have the 18's.

The Defenders have 13.5/32's OEM. I am at 9-10/32's. Chris