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Nitto Ridge Grappler, LT315 /70 R17 121Q E2 BSW
Outfit your truck or SUV with the Nitto Ridge Grappler LT315/70R17 121Q E2 BSW, a hybrid terrain tire built for drivers who want aggressive off-road looks, capable dirt and gravel traction, and a quieter ride than many traditional mud-terrain tires. This LT315/70R17 Ridge Grappler is a popular LT-metric fitment for select GMC Sierra 2500HD, Ford F-350 Super Duty, Ram 3500, Ford F-250 Super Duty, Ram 2500, Chevrolet Silverado 2500HD models, plus similar trucks and SUVs using 17-inch wheels.
Why choose the Nitto Ridge Grappler in LT315/70R17?
Built for lifted heavy-duty trucks and wide custom pickup fitments: The 121Q E2 rating supports heavy-duty trucks, towing, hauling, overland gear, and work-ready payloads.
Hybrid terrain performance: The Ridge Grappler blends all-terrain road manners with mud-terrain-inspired bite for drivers who split time between pavement, job sites, trails, gravel roads, and weekend adventure.
Quiet, comfortable road manners: Nitto's hybrid tread design is engineered to reduce pattern noise while still giving the tire an aggressive stance on trucks, Jeeps, and SUVs.
Confident off-road traction: Alternating shoulder grooves, staggered shoulder lugs, and deep sidewall lugs help the tire grab loose terrain and add durability-minded sidewall presence.
Rugged truck styling: The Ridge Grappler gives daily-driven pickups and lifted builds a bold look without giving up the on-road usability many drivers need during the week.
Popular vehicle fitments for LT315/70R17 Nitto Ridge Grappler
This tire size is commonly used on select trims or modified fitments of the GMC Sierra 2500HD, Ford F-350 Super Duty, Ram 3500, Ford F-250 Super Duty, Ram 2500, and Chevrolet Silverado 2500HD. It is also a strong option for similar pickups, Jeeps, SUVs, and lifted builds that use the same tire size, load rating, speed rating, and wheel diameter.
Size and rating details
LT315/70R17: This size is designed for 17-inch wheels and helps shoppers match an original, plus-size, or lifted truck fitment.
121Q E2: The service description and load range identify the tire's load capability and intended truck or SUV use.
BSW: This version uses black sidewall styling for the finished look on the vehicle.
Frequently asked questions
What type of tire is the Nitto Ridge Grappler LT315/70R17?
The Ridge Grappler is a hybrid terrain truck tire, combining an aggressive off-road tread style with more refined highway comfort than a dedicated mud-terrain tire.
Is the Nitto Ridge Grappler LT315/70R17 good for daily driving?
Yes. It is designed for truck and SUV owners who want bold off-road traction and styling while still driving on pavement, highways, and local roads every day.
What vehicles use the Nitto Ridge Grappler LT315/70R17?
Popular applications include select GMC Sierra 2500HD, Ford F-350 Super Duty, Ram 3500, and Ford F-250 Super Duty models, along with comparable vehicles using the same size, load range, and speed rating.
UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade
| SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated. | 315 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 70 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 17" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 34.41" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 8.0" - 10.5" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 71 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 16/32" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 121 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | E2 |
| MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount. | 65 PSI |
| SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement. | Up to 100 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Black Side Wall |
| VPN Vendor Product Number | 217530 |
| GTIN Global Trade Item Number | 4981910501787 |
Ridge Grappler Customer Reviews
Went to these tire after BFG mud terrains wore out. The Nittos are much quieter and smoother on pavement, and when aired-down work just as good as the BFG Mud Terrain tire. I'm very impressed with these tires so far.
Best tires I’ve ever had. That’s why I’ve had them on 2 trucks. I haul a 40’ fifth wheel at 14,500 lbs and the tires handle it well.
These tire have felt the best while towing my tractors.