Car TyresContinental

SportContact 7

Recommended: Continental SportContact 7. German engineered high-performance tyre providing confidence in every curve. Fully compatible with Rolls-Royce Phantom (255/45 R21).

FITMENT SUMMARYRolls-Royce Phantom

AVAILABLE SIZES

215/55 R18 255/45 R20 235/60 R18 +25 more

View full specifications

TECH SPECS & MANUFACTURING TOLERANCES

Detailed Parameters

Precision factory engineering parameters, carcass ply architecture, and certified load-speed performance ratings.

Geometry & Dimension Telemetry

FORM FACTOR: 255/45 R21 • 88H

Rolling Diameter

762.9 mm

Circumf: 2397 mm

Revolutions / KM

~417

Odometer Calibration

MAX LOAD SPECIFICATION

Load Index Rating

88(560 kg / tyre)

Total 4-wheel gross load tolerance of 2,240 kg. Provides structural headroom for passengers and cargo.

CERTIFIED LOAD RESERVE560 KG SPEC

HIGH-SPEED CERTIFICATION

Speed Rating Symbol

H(210 km/h)

High-Speed Performance Rated. Certified for sustained high-speed expressway travel without centrifugal belt delamination or carcass heat fatigue.

CERTIFIED VELOCITY210 km/h

CARCASS ARCHITECTURE

Radial (Tubeless Build)

Tubeless Radial

German-engineered reinforced steel cord carcass with Noise Breaker 2.0 resonators

PLY: 6-PLY RATEDSTEEL BELTED RADIAL

OEM PRESSURE SPECIFICATION

Factory Cold Inflation Pressure

32 PSI / 30 PSI(Front / Rear)

Calibrated OEM cold tyre pressure for Rolls-Royce Phantom. For full passenger/luggage payload, increase rear tyre to 33 PSI.

NITROGEN COMPATIBLE99.2% N₂ OPTIMAL

RUBBER FORMULATION

Tread Compound & Depth

7.7 mm(New Factory Tread)

Continental Diamond Edge Polymer Compound with Aqua Drainage Channeling. Built with integrated Tread Wear Indicators (TWI) calibrated at the 1.6mm legal limit.

UTQG WEAR INDEX: 380 A ATROPICALIZED

DEALER PROTECTION

Warranty & Genuine Origin

5 Years Manufacturer Warranty

100% Genuine authorized Amman Tyres stock. Certified with BIS / ISI Indian safety marks, manufactured at Continental India Modipuram Plant, Meerut (Uttar Pradesh).

ORIGIN: India / Germany TechAUTHORIZED HUB

INNOVATIVE TECH

Tyre Engineering Features

✔

Adaptive pattern for dry and wet road safety

Ultra-short braking distances

✔

BlackChili compound for instant road grip

Exceptional sports feedback and grip

✔

Force Vectoring tread blocks for stability

High stability under dynamic maneuvers

BENCHMARK STANDARDS

3 Reasons to Choose

High-speed highway travel and everyday city use for Rolls-Royce Phantom.

Recommended: Continental SportContact 7. German engineered high-performance tyre providing confidence in every curve. Fully compatible with Rolls-Royce Phantom (255/45 R21).

PERFORMANCE CHARACTERISTICS & PROVING GROUND LABS

Tyre Test Metrics

Empirical proving-ground telemetry covering ISO wet braking distance, acoustic cabin decibels, high-mileage compound longevity, and lateral road adhesion.

Laboratory & Proving Ground Test Suite • Continental SportContact 7

WET BRAKING (80-0 KM/H)GRADE A

26.5METERS

Stops 6m shorter than standard commuter baseline under monsoon downpour conditions.

DECELERATION SAFETY INDEX89% SCORE

ROLLING RESISTANCE (RRC)ARAI GRADE A

+5.2%FUEL SAVINGS

Rolling resistance of 7.1 kg/t. Continental Diamond Edge Polymer Compound with Aqua Drainage Channeling minimizes heat drag during highway cruising.

FUEL CONSERVATION BOOST+5.2% REAL-WORLD

PROJECTED TREAD LIFETOURING LIFE

65,000KM LIFE

German precision engineering delivering diamond-edge wet braking and whisper-quiet cabin comfort.

UTQG TREADWEAR INDEX380 A A

ACOUSTIC CABIN NOISEQUIET CLASS A

67.1dB PASS-BY

Noise Breaker 2.0 interrupts sound waves travelling through tread grooves.

CABIN SILENCE RATINGEXCELLENT (SUB-68dB)

DRY SLALOM & CORNERINGLATERAL STABLE

0.91PEAK G-FORCE

Diamond chamfered block edges resist deformation under hard braking and cornering.

LATERAL ROAD ADHESION91% G-LIMIT

HYDROPLANING CLEARANCE3D WATER SIPES

92KM/H THRESHOLD

Evacuates up to 33 liters of water per second through Aqua Drainage sipes channel water instantly into longitudinal main grooves.

WATER CLEARANCE THRESHOLD92 KM/H SAFE

OFFICIAL FITMENT SPECIFICATIONS

Supported Dimensions

Verified OEM vehicle fitments, factory inflation pressures, and axle load ratings calibrated for daily driving safety.

Compatible Vehicle & Trims	Required Tyre Size	Load / Speed Index	Factory Cold Pressure (PSI)	OEM Verification
Rolls-Royce PhantomTrims: Phantom, Extended WheelbaseModel Years: 2018 - 2024	255/45 R21	88H(560 kg / 210 km/h)	32 PSI (Front) / 30 PSI (Rear)All Axles: Front / Rear (32 PSI Front / 30 PSI Rear)	OEM VERIFIED