Stu Smith Posted July 25, 2023 Share Posted July 25, 2023 Would anybody know the tread depth of a brand new ZZS tyre 215/55/13?I've just checked my rears which are only 9 months old and they are showing 3.7 mm right across the tyre. Link to comment Share on other sites More sharing options...
SM25T Posted July 25, 2023 Share Posted July 25, 2023 I don't think they are born with very much Link to comment Share on other sites More sharing options...
StevehS3 Posted July 25, 2023 Share Posted July 25, 2023 I have a new pair. Measured at 5.2mm Link to comment Share on other sites More sharing options...
Stu Smith Posted July 25, 2023 Author Share Posted July 25, 2023 Thank you for that..Wear not as bad as first thought then!Thankfully I have a spare set of wheels and tyres I've been using for trackdays. Link to comment Share on other sites More sharing options...
StevehS3 Posted July 25, 2023 Share Posted July 25, 2023 I change them when they hit the wear markers. 2mm if I remember correctly. Link to comment Share on other sites More sharing options...
22daz Posted July 26, 2023 Share Posted July 26, 2023 I did something similar, bought a new set thinking they were half worn then measured them against the fresh ones..I'd only worn off 0.4mm and 0.9mm!22daz Link to comment Share on other sites More sharing options...
sylvaman Posted July 26, 2023 Share Posted July 26, 2023 They are a great tyre though......confidence inspiring at Silly speeds througj corners .....Love em . Link to comment Share on other sites More sharing options...
GulfSeven Posted July 26, 2023 Share Posted July 26, 2023 My rears are within 1mm of the wear markers so I've booked in for replacements at Williams next week. Link to comment Share on other sites More sharing options...
StevehS3 Posted July 26, 2023 Share Posted July 26, 2023 I have a pair in stock ready and waiting. Get 'em while you can! Link to comment Share on other sites More sharing options...
Stu Smith Posted July 26, 2023 Author Share Posted July 26, 2023 I've got to ask, what are the dates and how much? Link to comment Share on other sites More sharing options...
SamC Posted July 26, 2023 Share Posted July 26, 2023 Last production runs are happening in the next few months. Get them while they last. Sad times.Ive got a set wrapped up and in storage. Link to comment Share on other sites More sharing options...
KnifeySpoony Posted July 27, 2023 Share Posted July 27, 2023 What's a wear bar lol? Run em till the cords are showing. That's how we do it in California. No pesky rain to deal with though... Link to comment Share on other sites More sharing options...
sylvaman Posted July 28, 2023 Share Posted July 28, 2023 Do you guys running 15" ZZS find the the fronts wear unevenly (Across the width) in line with the Camber of the wheel ? Was thinking of putting them on the rear, (which wear evenly) . Plus not so visible on the back ! Link to comment Share on other sites More sharing options...
colindavies56 Posted July 28, 2023 Share Posted July 28, 2023 Mine wear evenly. Link to comment Share on other sites More sharing options...
John Vine Posted July 28, 2023 Share Posted July 28, 2023 #13Yes. My R400D has quite a bit of negative camber, and adjusting toe to parallel has reduced the uneven wear.JV Link to comment Share on other sites More sharing options...
GulfSeven Posted July 28, 2023 Share Posted July 28, 2023 #13 yes my fronts seem to be wearing a bit unevenly. Link to comment Share on other sites More sharing options...
Limitless Posted July 29, 2023 Share Posted July 29, 2023 Mine too, I just swapped the tyres round on the wheels. Link to comment Share on other sites More sharing options...
GulfSeven Posted July 29, 2023 Share Posted July 29, 2023 #17 Now that's an idea. I might ask Williams if they'll do that when I'm there on Tuesday Link to comment Share on other sites More sharing options...
sylvaman Posted July 30, 2023 Share Posted July 30, 2023 Are they not directional ? Or am i being a Link to comment Share on other sites More sharing options...
Amos91 Posted July 30, 2023 Share Posted July 30, 2023 They are directional, but if you take them off the rim, you can switch direction. Link to comment Share on other sites More sharing options...
GulfSeven Posted July 30, 2023 Share Posted July 30, 2023 Would just putting the fronts on the rear be good enough? Saves swapping the tyres... Link to comment Share on other sites More sharing options...
John Vine Posted July 30, 2023 Share Posted July 30, 2023 #21 That's what I've done in the past, watching out for changes in grip etc until the tread wears more evenly. The last time I did it, I got an MOT advisory "Tyre worn close to legal limit/worn on edge NSR - 5.2.3(e)" !JV Link to comment Share on other sites More sharing options...
Amos91 Posted July 30, 2023 Share Posted July 30, 2023 Yes but a lot of people run different sizes front & back. Link to comment Share on other sites More sharing options...
GulfSeven Posted July 30, 2023 Share Posted July 30, 2023 #21 I already got one of those with them on the front!#23 Good point. I was mainly asking for me, and my 310R has the same size front and rear. Link to comment Share on other sites More sharing options...
sylvaman Posted July 30, 2023 Share Posted July 30, 2023 Good point about levels of grip changing until they bed in .....had't thought of that . Link to comment Share on other sites More sharing options...
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