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Dunlop SP Winter Sport 4D DSST ROF Tires

Dunlop SP Winter Sport 4D DSST ROF
Category Brand

Passenger/Snow/Winter

Passenger/Runflat

Dunlop Tires
Description

The Dunlop SP Winter Sport 4d DSST tire has Dunlop Self-Supporting Technology, or ROF (Run On Flat) technology. It is a performance winter tire were made specially for sedans, coupes and sport cars.  with run on flat capability from Dunlop you get both a smooth, comfortable ride and extended mobility. In addition to ROF capabilities, this tire also boasts traction on wet, slushy, dry and even on packed snow.

This tire features a tread compound derived from Dunlop's experience in Motorsports that has silica added to the mix.  This ingrediant in the tread compound improves traction, especially on wet roads or in winter climates.  This rubber is shaped into a directional tread design with long v-shaped grooves that makes it resistant to hydroplaning – perfect for great grip on wet and slushy roads.  The tread has Dunlop’s 4D Sipe System. which is extended sipes forming independent micro-blocks for better footprint pressure and distribution to improve control on snow and cornering traction. This tire meets the standards for severe snow service requirements and branded with mountain/snowflake symbol.   

It includes twin steel belts with Dunlop’s JointLess Band (JLB) of nylon to maximize the contact patch and resist tire expansion at high speeds due to centrifical force. This also has sidewall reinforcements that can temporarily support the vehicle’s weight even after losing air pressure. This enables users to drive on deflated tires up to 50 miles with speeds of up to 50 mph.

NOTE: DSST tires are only recommended for vehicles originally made with self-supporting run-flat tires and tire pressure monitoring system.

Products
Size
Load Index/
Speed index
UTQG
Ply
Rating
Overall
Diameter
Section
Width
Rim Width
Min
Rim Width
Max
Rim Width
Meas
Tread
Depth (in)
Max Single Air
Pressure (PSI)
Max Single
Load (lbs)
Max Dual Air
Pressure (PSI)
Max Dual
Load (lbs)
MFG #
225/50R17
94H
-
-
25.9
9.2
6.0
8.0
7.0
10.0
51
1477
-
-
265029113
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