Triumph TR6 Tyres

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Triumph TR6 1969–76


Triumph TR6 Tyres Explained

  • Triumph TR6 fitted 165 R15 radial tyres.
  • One of the options was 165-15 Michelin XAS which is brilliant.
  • Another excellent period option is 165 VR 15 PIRELLI CINTURATO CN36.
  • A low profile 185/70 WR 15 PIRELLI CINTURATO CN36 is an excellent wider option.
  • For some US models where handling was not as important as longer legs and comfort 185 R15 tyres were fitted.
  • Michelins period fitment guide suggests 22psi front and 26psi rear with their XAS tyres.
  • Our period Innertube Guides suggest that the TR6 had been fitted with both tube-type and tubeless wheels during its production run. See our Innertube Page for help in identifying your wheel type.
  • The correct tube for tyres of this size is the Michelin 15E.

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    Triumph TR6 Recommended Tyres



  1. Other Options for Triumph TR6 Tyres


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History of the Triumph TR6

The classic Triumph TR6 is a British six-cylinder sports automobile that was the best-seller in Triumph's TR family when manufacture stopped in July 1976. This record was later broken by the Triumph TR7. Only 8,370 TR6s were sold in the United Kingdom out of the 94,619 TR6s built.

The bodywork was similar to the preceding model, the legendary Triumph TR5, but the front and rear ends were squared off, apparently as part of a consultation deal with Karmann. Inline six-cylinder engines were standard on all TR6 sports vehicles. The engine, like the TR250 engine, was carburetted for the US market. The TR6, like the TR5, was fuel-injected for various foreign markets, including the UK, thus the TR6PI (petrol-injection) name. The Lucas mechanical fuel injection system assisted the domestic TR6 in producing 150 horsepower. The non-US TR6 model was later detuned to 125 horsepower to make it simpler to drive.


TR6 Tyres Explained

Longstone Classic Tyres recommend the 165HR15 Michelin XAS or 165 HR 15 PIRELLI CINTURATO ™ CN36 for your classic Triumph TR6. We recommend the 165HR15 Michelin XAS for Triumph TR6's as it was the original equipment tyre on a TR6. It is however also a top-quality asymmetric sports car tyre that will make your TR6 handle superbly including improving its directional stability. The other option would be the 165 HR 15 PIRELLI CINTURATO ™ CN36; again this is a genuine period tyre made by one of the worlds best tyre manufacturers, the CINTURATO ™ will give excellent progressive predictable handling.

It is possible to fit lower profile tires to a TR6. Some people fit 185/70R15 or 195/65R15 tires to TR6 cars. If you want to fit a fatter tyre you have to accept that you will get more grip at the expense of light progressive handling. So we would recommend not going any wider than a 185/70VR15 tyre. You can diminish the derogatory effects by fitting a period tyre that is developed in conjunction with cars of this period. We would suggest either the 185/70 VR 15 Michelin XWX or 185/70 WR 15 PIRELLI CINTURATO ™ CN36 with their rounded shoulders. Both are genuine period tyres developed to keep handling progressive.

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Borrani Wire Wheels

Borrani wheels are available for your Triumph TR6. As agents for the iconic Ruote Borrani Milano company we are able to supply all wheels from their extensive range.

Wire wheels made by Ruote Borrani Milano are, without doubt, the best wire wheels available. Borrani wheels utilise aluminium rims, steel spokes and steel wheel centres.

If your Borrani wheels require rebuilding then please contact us at [email protected]

Click the link for Triumph TR6 Borrani wheels.

Wheels made by Borrani are available in the following styles:

  • Painted silver finish, as per the racing wheels of the period
  • Polished and chrome finish, highly polished rim, chrome spokes & wheel centre
  • Painted finish with polished outer edge

Innertube Guides


1972 Pirelli Triumph Fitment Guide

1972 Pirelli Triumph Fitment Guide

1974 Michelin Triumph Fitment Guide

1974 Michelin Triumph Fitment Guide

1977 Michelin Triumph Fitment Guide

1977 Michelin Triumph Fitment Guide

1978 Dunlop Triumph Fitment Guide

1978 Dunlop Triumph Fitment Guide


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