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Royal Black Racing Trac tire, black sidewall, 18 inch rim size

Royal Black

Royal Black Racing Trac 225/40R18 92W XL tire

SKU CH-DKDA-CTV4K

High-performance all-season passenger tire sized 225/40R18 with 92W XL rating, 420 UTQG treadwear, A traction and 168 mph speed capability

  • Features225/40r18 92w-tires speed rated up to 168 mph high performan
  • SeasonAll-Season
  • VehiclePassenger Vehicles
  • Load Index92
  • Speed RatingW
  • UTQG Traction RatingA
  • All-season traction in wet and dry conditions
  • W speed rating supports up to 168 mph
  • XL load range carries heavier loads at 92 index
  • UTQG 420AA indicates durable treadwear and grip
  • Fits 18-inch rims with 225/40 profile

Royal Black Racing Trac 225/40R18

The Royal Black Racing Trac is a high-performance all-season tire built for passenger vehicles. It fits an 18-inch rim with a 225 mm section width and 40-series sidewall profile. The tire carries a 92W load index and speed rating with XL reinforcement for added capacity. Black sidewalls complete the fitment.

Suited to drivers wanting year-round grip

This tire serves owners of passenger cars who need consistent wet and dry traction across seasons. The all-season compound and M+S rating support varied road conditions. Buyers who need a run-flat design or dedicated winter compound should look at other options.

Speed rating W allows 168 mph maximum sustained

The W speed rating certifies this tire for continuous operation up to 168 mph when correctly inflated and loaded. UTQG 420AA grades treadwear at 420 with traction and temperature scores of A. Overall diameter measures 25.1 inches for gearing and clearance calculations. No run-flat capability is provided.

Highlights

  • All-season traction in wet and dry conditions
  • W speed rating supports up to 168 mph
  • XL load range carries heavier loads at 92 index
  • UTQG 420AA indicates durable treadwear and grip
  • Fits 18-inch rims with 225/40 profile

Specifications

BrandRoyal Black
Features225/40r18 92w-tires speed rated up to 168 mph high performance all season weather m+s 225-40r18 225/40-18 225/40r18 225/40/18 225-40-18 225 40 18 2254018 4-ply rating 4-pr load range b lrb passenger car family sedan suv cuv wheels custom wheels auto automobile care tires car repair car engine 18-inch 18-in 18" royal black racing trac
SeasonAll-Season
VehiclePassenger Vehicles
Load Index92
Speed RatingW
UTQG Traction RatingA
UTQG Treadwear Rating420
Shipping Height9.000
Shipping Length24.000
Shipping Width24.000
Load RangeXL
Overall Diameter25.1
Ply RatingXL
Rim Size18
Sidewall ColorBSW: Black Side Wall
Size225/40R18
UTQG420AA
Run-FlatNo
Tire TypeHigh Performance
Vehicle TypeCar
Size Description (Sidewall Description)225/40R18 92W XL
Section Width225
Aspect Ratio40
Tire & Wheel Diameter18"
Tread Depth7/32

Questions about this item

What rim diameter must I already have for the 225/40R18 92W XL tire to fit?

The tire is built for an 18‑inch rim, so your wheels must be 18 inches in diameter.

Will the 420 treadwear rating and 7/32 tread depth match the grip of my older all‑season tyres?

The 420 UTQG treadwear grade and 7/32 starting depth give a firm baseline; expect similar or slightly longer wear than many older touring tyres.

How can I confirm the 92 load index and W speed rating are performing correctly after installation?

Check that the sidewall shows 92W, verify cold pressure matches the vehicle placard, and monitor even tread wear across the 225 mm section width.

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