What Lock Should I get for My Tire Size ST235/75R15?
Updated 06/25/2025 | Published 06/19/2025
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Question:
Hello...my tires are ST235/75R15. Do you recommend that I go with the TMX72ZR wheel lock or TMX85ZR?
asked by: Tri
Expert Reply:
Hello Tri,
I’m going to recommend going with the first part number. The Trimax Trailer Wheel Chock and Lock - 6" - 10-1/2" Wide Tires - Qty 2 # TMX72ZR will work well with your ST235/75R15 tires, which are 9-1/2" wide at max PSI.
The # TMX85ZR is actually a firearm lock, so while it won’t do much for your trailer wheels, it will help keep your loved ones safe if your gun ever ends up in the wrong hands.
What are you trying to lock down, trailer, car, rv, etc?
Product Page this Question was Asked From
Trimax Trailer Wheel Chock and Lock - 6" - 10-1/2" Wide Tires - Qty 2
- Wheel Locks
- Trailer
- Vehicle
- 6W Inch Tire
- 7W Inch Tire
- 8W Inch Tire
- 9W Inch Tire
- 10W Inch Tire
- Trimax Locks
more information >
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Tri
6/24/2025
Hi Kate, Thanks for your response. I copied the wrong part number. Sorry for the confusion. But you answered my question. It's good to know that the 6"-10-1/2" wheel lock fits my tire. I'm trying to lock down my camper trailer.