K11 Owners Group

Geoff · Posted: Mon Jul 26, 2010 1:44 pm Post subject: Metzler Z6 Safe Tread Depth?

What's the minimum tread depth for Metzeler Roadtec Z6 tires? The rear has no center groove, making it hard to measure. What's more, there are no tread depth indicators.

My tires have about 9k miles and look safe. The front is cupped slightly. I sometimes experience an abrupt transition from straight riding to turning. Will over-inflating the front (and rear) one or two pounds help?

What is the best psi for the Roadtech Z6?

I'm planning a trip next week to Canada. If my tires aren't safe, I don't know if I'll have time to get new ones mounted. This means I'll have to dress like a pirate and ride my Harley. LOL! Thanks for your help.

The tread depth on my rear looks almost exactly like this example.

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2000 R1100RT
2008 H-D Electra Glide Ultra Classic

Mystic Red · Posted: Mon Jul 26, 2010 10:41 pm Post subject:

Get that thing on some corners! Just kidding. Very Happy

Minimum depth is 2/32nd. Those tires in the pics look fine to me but they're just pics.
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Scott Hespelt, '94 K11LT
K11 OG #466

Geoff · Posted: Tue Jul 27, 2010 8:30 am Post subject:

Thanks for the reply. I live in Illinois, home of only 5 curved roads. I might as well run a car tire.
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2000 R1100RT
2008 H-D Electra Glide Ultra Classic

old guy old bike · Posted: Tue Jul 27, 2010 12:45 pm Post subject: