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Discussion Starter #1 (Edited)
For you tire savvy folks.....I'm ordering new tires for the Vee. I've a lready ordered the rear, a Conti Road Attack 150 70ZR 17. Okay, I now notice on Conti's website that there is a "150 70ZR" & a "150 70R". What's the difference? Can I run an "R" rated front or do I need to match the rear with a "ZR" front?

Thanks

Edit: I realize the "R" means radial so I guess my question is if it's ok to run a front without the "Z" rating?
 

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My understanding, is that the "Z" is a speed rating. The rear tire is either available in a 149+ "Z" rating (more expensive too, I believe) or the standard 130 mph rating.

They make them available for large displacement bikes that may end up over in Europe running high speeds for long distances. On either the Wee, or an restricted V, you would never approach the limits of that tire.

I am confident you would be fine with the standard, unless you plan on running high speeds for long periods (over 20 minutes) or are perhaps very heavily loaded and want to run up near the ton all day long.

Let me check on that to confirm the exact mph on that rating before you quote me on it. I think it goes H, HR, Z and then ZR, like car tires.

Edit: Interesting link, with all you need to know about motorcycle tire markings, sizes, ratings and load limits
http://www.webbikeworld.com/Motorcycle-tires/tire-data.htm



;)
 

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Discussion Starter #3 (Edited)
Thanks for the info. I don't need a tire rated for high speed but the price was right ($109) & the "Z" rated tire is all they offer so that's why I got it. I just wanted to make sure the speed rating is the only difference before I buy a non "Z" rated front. After i bought it I noticed that other places offer the Road Attack in both Z and non Z rated. That kinda threw me off a little.
 

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Cool. Post up your impression after you get them spooned on and scrubbed in.

I am seriously looking at these for my next replacements, since most my miles are made commuting or running canyon (paved) roads in my spare time.
 

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Wow. That was from '06. For some reason, I thought they had just come out. The write up was very positive. Hope you agree.
 

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Oh, wait.

That is the "Road Attack Sport".

I was thinking of the "Contitrail Attack Dual Sport Radial". They look almost the same.

Either one would be good, I imagine.
 

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sometimes higher speed rated tires will also come with a lower load capacity, probably not a problem for most of us but worth a mention anyway.
 
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