Car TyresMichelin
Primacy 4ST
Recommended: Michelin Primacy 4ST. Ultra-silent luxury acoustic comfort with class-leading wet braking safety. Fully compatible with Rolls-Royce Phantom (255/45 R21).
FITMENT SUMMARYRolls-Royce Phantom
AVAILABLE SIZES255/45 R21
TECH SPECS
Detailed Parameters
Brand IdentityMichelin
Model NamePrimacy 4ST
Tyre Width255 mm
Aspect Ratio Profile45%
Rim Diameter21 Inches
Warranty DurationVerification Required
Load Index Rating91
Speed Rating SymbolV
Radial / Tubeless ConstructionRadial (Tubeless)
Season OptimizationAll-Season
Country of OriginIndia
Price CategoryPremium
INNOVATIVE TECH
Tyre Engineering Features
✔
Silent Rib Technology eliminates high-frequency noise
Whisper-quiet highway ride quality
✔
EverGrip Technology maintains wet grip even when worn
Outstanding wet monsoon emergency braking
✔
High-density silica polymer blend for supple ride
Plush bump absorption over potholes
BENCHMARK STANDARDS
3 Reasons to Choose
High-speed highway travel and everyday city use for Rolls-Royce Phantom.
Recommended: Michelin Primacy 4ST. Ultra-silent luxury acoustic comfort with class-leading wet braking safety. Fully compatible with Rolls-Royce Phantom (255/45 R21).
PERFORMANCE CHARACTERISTICS
Tyre Test Metrics
Wet Grip100%
Fuel Savings100%
Mileage100%
Durability100%
SIZES TABLE
Supported Dimensions
| Tyre Dimension | Load / Speed Index | Axle Load Suitability | Compatible Vehicles |
|---|---|---|---|
| 255/45 R21 | 91V | Front / Rear | Rolls-Royce Phantom Phantom (2018-2024) |
| 255/45 R21 | 91V | Front / Rear | Rolls-Royce Phantom Extended Wheelbase (2018-2024) |
FAQ SHEETS
Frequently Asked Questions
ALTERNATIVE REPLACEMENTS
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