Simplify the following text for a Grade 6 native English-speaking person.
Original: In 1974 , Pirelli invented the `` wide radial tyre '' , upon a request from the Lancia rally racing team for a tyre strong enough to withstand the power of the new Lancia Stratos .
Simplified: In 1974 , Pirelli invented the wide radial tyre . This was at the request from the Lancia rally racing team .