Michelin also designed the TDX rim, which again can only be fitted with a purpose built TDX tyre. The TDX rim has two grooves running circumferentially around the bead seats and the tyres have specially extended bead toes, which are held in place by the grooves. The purpose of this is to prevent the tyre leaving the rim thus giving the tyre a limited ‘run-on’ capability allowing control of the car to be maintained in the event of a deflation, and a safe place to be reached for it to be changed.

These Michelin TRX tyres and rims was standard fitment on many performance cars of the seventies, eighties and early nineties, such as Ferrari, BMW, Renault Alpine, Alfa Romeo, Peugeot and Renault 5 Turbo.

Tyres are often repurchased as direct replacements for pairs and sets of worn out Original Equipment tyres, they can also be used on other vehicles in axle pairs or sets of four if they match the needed tyre size, load range and speed rating specifications, as well as the anticipated driving conditions.

While attempts to provide a picture of as many of these tyres as possible, the pictures used to represent these tyres cannot be guaranteed to be an exact depiction of each tyres appearance because of the variety of subtle differences in tread designs and sidewall styling.