GT Radial Maxmiler Pro 235/65 R16 121R

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The GT Radial Maxmiler Pro is an all-season tire designed for light trucks and SUVs. The tire features a symmetric tread pattern with wide circumferential grooves and lateral grooves that help evacuate water and improve traction in wet conditions. The tire also has a reinforced bead that helps provide a more comfortable ride. This tire is designed to be used in light trucks, vans, and SUVs.

What does 235/65R16 mean?


The tire width is 235mm.


The aspect ratio of the tire is 65. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.


The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.

Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.


Rim diameter for the tire.

235/65R16 121R tire size

The width of 235/65R16 121R tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 235/65R16 121R tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

9.3″ 235mm

Sidewall height

6.0″ 153mm

Diameter / Height

28.0″ 712mm


88.1″ 2236mm

Rim Diameter



720 per mile 447 per kilometer

Rim Size for 235/65R16 121R Tires

Recommended rim sizes for 235/65R16 121R tire:

Diameter Width Range
16″ 6.5-7.5″

What does C121 mean?

The load index 121 means that the tire has been designed to support 3197 lbs or 1450 kg.

The speed index R means that the tire has been designed to be used in speed up to 106 mph or 170 kph.

This size tire is usually used on a light truck or SUV.

AboutGT Radial

GT Radial is a tire brand that is known for its high performance and durability. The company offers a wide range of tires for different vehicles, including cars, trucks, SUVs, and more. The GT Radial Maxmiler Pro is a tire that is designed for high performance and long lasting wear. It features a special compound that is designed to resist wear and tear, and it has a wide tread pattern that provides excellent traction in all weather conditions.

Tire Specification

Brand: GT Radial
Model: Maxmiler Pro
Season: Summer
Size: 235/65 R16
Load Index: 121 — 1450 kg | x4 - 5800 kg
Speed Index: R — 170 km\h
Car Type:Commercial
Road: City and highway
XL / Extra Load: No
RunFlat technology: No
Commercial / Reinforced: No
Year: 2014
EU Label
Fuel efficiency: C
Wet grip: C
Noise level: 71dB