My experience with the new Metzeler Roadtec 01 - and the China issue - BMW K1600 Forum : BMW K1600 GT and GTL Forums
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post #1 of 19 Old 02-05-2017, 10:43 AM Thread Starter
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My experience with the new Metzeler Roadtec 01 - and the China issue

Ok, so I just learned something disturbing after doing what I though was the necessary due diligence before getting my first replacement tire set to replace my Metzeler Z8's... I went online, and even found a video of the factory tour where the 01's are made, showing a factory in Germany... It never occurred to me that maybe that's just the rear and that the front might be made in China... UNTIL

I had them put on yesterday and the first red flag what my otherwise perfectly balanced prior set of tires and rim now had a problem... the front rim now required no less than 8 (yes 8) weights to counter the new tires lack of balance... As expected, the German made rear tire required 0.. none, zilch... The front, which is made ion China however 8. The ugly black weights caught my attention but what woke me up was the discussion in the other thread where a member pointed out the fronts ARE MADE IN CHINA.. I confirmed it on the side wall. And yes, the rears are still made in Germany.

Hope fully this thread will come up on future searches so members can be more informed before they spend their money.

As for me, I will be demanding that the dealer work with their Metzeler rep to pay and remove my front tire... I will find a suitable EU/USA made replacement.. I don't think there is any harm in mixing brands on the same bike, and the rear is a darn good tire by all accounts.


Pardon the quality of the photo's but the lighting was bad... you can see BOTH sides of the wheel and the weights here.
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post #2 of 19 Old 02-05-2017, 11:46 AM
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Quote:
Originally Posted by sjs View Post
Ok, so I just learned something disturbing after doing what I though was the necessary due diligence before getting my first replacement tire set to replace my Metzeler Z8's... I went online, and even found a video of the factory tour where the 01's are made, showing a factory in Germany... It never occurred to me that maybe that's just the rear and that the front might be made in China... UNTIL

I had them put on yesterday and the first red flag what my otherwise perfectly balanced prior set of tires and rim now had a problem... the front rim now required no less than 8 (yes 8) weights to counter the new tires lack of balance... As expected, the German made rear tire required 0.. none, zilch... The front, which is made ion China however 8. The ugly black weights caught my attention but what woke me up was the discussion in the other thread where a member pointed out the fronts ARE MADE IN CHINA.. I confirmed it on the side wall. And yes, the rears are still made in Germany.

Hope fully this thread will come up on future searches so members can be more informed before they spend their money.

As for me, I will be demanding that the dealer work with their Metzeler rep to pay and remove my front tire... I will find a suitable EU/USA made replacement.. I don't think there is any harm in mixing brands on the same bike, and the rear is a darn good tire by all accounts.


Pardon the quality of the photo's but the lighting was bad... you can see BOTH sides of the wheel and the weights here.
Just check the location of the weights. I bet they are on the opposite side of theTPM warning label. On all replacement tires that I got (5 sets so far) there was something like 60 grams in that location. Original Z8 had none, maybe the BMW specced Metz had a counterweight built in.

As to the front, find a German made Z8 front and you have a working combo. That combo is explicitly allowed and validated over here by the tire maker.
Over here you need some form of approval by the tire maker that the tire is tested for the intended use on a specific motorcycle. Takes some risk out of the equation.

And just relax a bit, I rode it for 3500miles and I am still alive and kicking
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post #3 of 19 Old 02-05-2017, 11:48 AM
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Couple thoughts.

Are the weights opposite of the valve stem? The TPMS sensors are near the stem and most of us have discovered that most the wheel weights used end up in that location. 8 of them is a bit excessive though.

I don't think I would mix manufacturers of tires on my bike, others may disagree and that's fine. I personally want a set of tires on my bike that were designed to work together (tread patterns, rubber compounds, same rated sidewalls wether that be HWM, A-Spec etc..) so wet and dry handling are not sacrificed.

Edit, Vienna beat me to it! LOL

Another thought,
For as long as they last, you might just burn them out and look at what your going to put on next.

Freedom is the miles I'm rollin' on!

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Last edited by Darbinco; 02-05-2017 at 11:51 AM.
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post #4 of 19 Old 02-05-2017, 11:54 AM Thread Starter
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thanks for the comments... and while possibly true, I still feel cheated and pissed that I spent the better part of $200 (including install) for a Chinese tire.. I've owned many motorcycles and never seen this much weight put on, especially on such a small tire.

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post #5 of 19 Old 02-05-2017, 12:21 PM
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You brought a Metzler, the fact that its manufactured other than Germany is no biggie, unless Metzler say they don't manufacture there. They as has been said are required to build tyres to the same specification. All tyres are hand laid up. Adding weights to wheels to make them safer is why you do it, not to look pretty.

Did you ever ride original 70/80s Bridgestones, now they were larrie, along with a lot of other makes

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post #6 of 19 Old 02-05-2017, 12:33 PM
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Thanks for the heads up. I am currently dealing with the same
rep trying to compensation for a set of Z8 's that are cupping with 8500 km. And no, I have been diligent with tire pressure monitoring.
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post #7 of 19 Old 02-05-2017, 01:44 PM Thread Starter
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Quote:
Originally Posted by Mole999 View Post
You brought a Metzler, the fact that its manufactured other than Germany is no biggie, unless Metzler say they don't manufacture there. They as has been said are required to build tyres to the same specification. All tyres are hand laid up. Adding weights to wheels to make them safer is why you do it, not to look pretty.

Did you ever ride original 70/80s Bridgestones, now they were larrie, along with a lot of other makes
Metzelers USA website emphasizes the German nature of the company, and has photo's of their factory iIN GERMANY.. no mention of China. Implied in their marketing is that it's a GERMAN MADE TIRE.

I've been riding 33 years, I've never seen this much weigh to a wheel to counter the build of a tire, I've owned TPMS bikes before and again, no need to offset that much weight... not even on an automotive wheel.

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post #8 of 19 Old 02-05-2017, 02:10 PM
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In reading about these tires, it seems that all the journalists that were invited to test the new tires in Germany raved about them. They especially loved the tour of the factory and being shown the actual tires being made. None of the journalists mentioned that only the rear tires were made in Germany.

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post #9 of 19 Old 02-05-2017, 02:15 PM
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BMW lists the TPS sensor as 0.07 lbs, which is 1.12 ounces, or 25 grams. Add the mounting bolt and the valve stem, and some normal tire variation, and I can see how you might get to 8 ounces of weights.

You could always unmount the tire, rotate it, and see if that lessens the weight needed. Or you could just ride off with a properly balanced tire and not really care how many weights are stuck way down there...

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post #10 of 19 Old 02-05-2017, 02:31 PM Thread Starter
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Originally Posted by nigelhobbes View Post
In reading about these tires, it seems that all the journalists that were invited to test the new tires in Germany raved about them. They especially loved the tour of the factory and being shown the actual tires being made. None of the journalists mentioned that only the rear tires were made in Germany.
almost like the whole show was orchestrated to deceive and hide this FACT.

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