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					      TB 15 MICHELIN COURSE




THE PRODUCT

The TB family (TB5, TB15, TB20…) was a very popular Michelin Racing tyre range for the
Rally cars of the 70’s and 80’s.

At that time, there were 3 types of products for rallying on asphalt:
SB.. : Slick for dry road.
TB..: Mix for dry and damp roads
PB..: Rain for wet road

The motivations to re-create the TB15 are as follow:
      - There are not any other available performance wide tyres in 15” and 13” to equip
          the glorious rally cars from the 70’s and 80’s.
      - Numerous happy owners of these cars expect to revive the excitement at the wheel
          in historical rallies and club meetings.
      - The TB15 is the most polyvalent product within the rally tyre range providing: true
          racing performances on road and tracks, good grip on dry and damp road surfaces,
          sufficient ability on wet roads.

The TB 15 2003 vintage, features the same design as the original and an equivalent tread
compound providing an even better grip.
The regulation requirements have been added (Tread Depth Indicator, ETRTO size marking,
DOT, EU number…) making this tyre unique, as it is a racing tyre allowed to be used on
public roads.
TYRE SIZES

The original TB15 sizes are maintained:
Example: 18/60 – 15
                             Rim Diameter in Inches
                             Overall tyre diameter in Centimetre
                             Tread width

In order to conform with road regulations, road legal sizes have been added according to the
original dimensions.


 Michelin Racing Size          Road legal sizes           Rolling         Recommended Rims
     Designation                                      Circumference
      16/53-13                 175/60R13 72V             1640 mm               5 to 6 inches
      20/53-13                 225/45R13 77V             1635 mm             7 to 8,5 inches
      15/60-15                 170/65R15 77V             1847 mm               5 to 6 inches
      18/60-15                 215/55R15 79V             1885 mm             6 to 7.5 inches
      23/62-15                 270/45R15 86V             1923 mm            8.5 to 10.5 inches
      26/61-15                 295/40R15 87V             1891 mm            10 to 11.5 inches
      29/61-15                 335/35R15 93V             1903 mm             11 to 13 inches

FITMENT GUIDE
1- Original Applications:

Racing Sizes                  Cars
      15/60-15              Front : Porsche 911 GR3
      18/60-15              Front : Porsche 911 GR4/GRB, Ferrari 308 GR4, Lancia
                            Stratos GR4, Alpine A310 GR4/5, R5 Turbo GRB, Opel Ascona
                            400 GR4, Opel Manta 400 GRB, Fiat 131 Abarth GR4, Toyota
                            Celica GRB.
        23/62-15            Front & Rear : Audi Quattro GRB, Toyota Supra GRA.
                            Rear : Opel Ascona 400 GR4, Opel Manta 400 GRB, Fiat 131
                            Abarth GR4, Toyota Celica GRB.
        26/61-15            Rear : Porsche 911 GR4/GRB, Lancia Stratos GR4, Alpine
                            A310 GR4/5, Opel Ascona 400 GR4, Opel Manta 400 GRB, Fiat
                            131 Abarth GR4, R5 Turbo GRB.
        29/61-15            Rear : Porsche 911 RSR, Lancia Stratos, Ferrari 308 GTB Gr4,
                            BB 512.
        16/53-13            R8 Gordini Gr2, Alpine A110 Gr3, R5 Alpine GR2, Opel Kadett
                            GTE GR1, Ford Escort RS Gr1, BMW 2002 Gr1, Golf GTI
                            Gr1, Peugeot 104 ZS GR2, Simca R2 GR2
        20/53-13            Rear Alpine A110 Gr4, Opel Kadett GTE GR2, Ford Escort RS
                            Gr2, BMW 2002 Gr2, Golf GTI Gr2, Sumbeam Lotus Gr2.

2- Other Applications:

These sizes may be suitable for other sport cars that we see in historical rallies and track
meetings, e.g. AC Cobra, Muscle Austin Healey, Ferrari Daytona…

				
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