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NITTO
RIDGE GRAPPLER
300333
Tested by Kal
Size: LT285/55R20 122Q
Category: all-terrain
This is the go-anywhere tire ready for adventures. The Ridge Grappler gives you the best of Nitto’s mud-terrain and all-terrain tire deigns so you can take any of the rugged roads less traveled.
When you’re ascending tough terrain, choose any line with alternating shoulder grooves that clear mud and maintain traction. Plus, a rigid, reinforced centre keeps your tires on target while stone ejectors stop rocks in their tracks.
When you’re back on the pavement, an advanced new tread pattern reduces noise to give you and your passengers a smooth, quiet ride.
Perfect for weekends and work days in off-road conditions and expect a whole lot of mileage, and with two bold sidewall designs, some compliments too.
Kal's Customer Care Plan

Kal's Test Results
? Independent & Objective Testing
? Summer vs Winter Tests
BRAKING
We varied our approach speeds by driving surface and by season for two reasons. First, this represents how most Canadians would normally drive on that surface in each season. Second, testing in both seasons provides an indication of how a tire's performance will be affected by road temperature.
CORNERING
To understand how road surface temperatures affect the cornering performance of a tire, our cornering tests are completed in both summer conditions (dry and wet pavement) and winter conditions (dry, wet and icy pavement).
? Independent & Objective Testing
The independent tire testers conducted extensive tests to determine how the tires in our core line-up perform in a range of conditions in both summer and winter. To maintain neutrality, no driver knew the specifics of the tires they were testing each time. All results were analyzed and processed by the testing group and then provided to Kal Tire for sharing with our customers.
Summer
Braking
- Dry -
- Wet -
Cornering
- Dry -
- Wet -
- Hydroplane Resistance -
Winter
Braking
- Dry -
- Wet
- Snow
- Ice
Cornering
- Dry -
- Wet
- Snow
- Ice
- Hydroplane Resistance -
Sizes & Specs
Specifications for: 285/55R20
Tire Width: 285
Tire Profile: 55
Wheel Diameter: 20"
Speed Rating: Q
Load Index: 122
Tread Depth: 16/32"
Weight: 61.10lbs
Section Width: 11.70"
Overall Diameter: 32.60"
Product Code: 217340
Load Range: E