Cooper STT's update

Just had another set 6 of Cooper STT's fitted. This time I went for the 265x75x16.

April last year I was given a set of 6 Cooper STT's to try out. A new compound and some other changes had been made to the tyres and Coopers want the tyre tested and reports sent back. The reports that I sent Coopers were the same that I had put on here.

My main concern was the high rate of tread wear at first, but this had slowed down the more the tyres were used.

A few facts from the old tyres.

285x75x16 STT's
Fitted 1st April 2005
Speedo reading 172777klm
Tread depth 15mm

Tyres removed
25th May 2006
Speedo reading 232600lkm
Tread depth 6mm

That works out to be
60 weeks
60,000klm
average 1000lkm per week over 13 months.
6600klm per 1mm of ware.average

The tread blocks had some cuts and abrasion but there was no chipping like I have seen on other tyres.

The side wall were like new with no visible cuts at all.

No punctures at all.

The tyre have been all over Australia on all types of roads and conditions.

This next set I will be doing the same. Keeping track of wear rate and handling.

When the worn 285x75 tyres were placed against the new 265x75 tyres there was not a lot of difference in overall hight. The old were about the same size as the new.

The speedo reading for speed is only 2/3 km per hour out going by the GPS.

That is one less thing I have to do before next Tuesday.

Wayne