Yes I have from Mountain bikes. They make VERY BAD tyres. Very heavy, very unreliable, no wet grip, no dry grip much either, They last a long time though.
Oh yeah. Almost forgot Not very round either usually have a side or verticle wobble.
Other than that fine
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NSR250 mc18/2 to be fixed and sold
NSR250 mc18/4 ( two of) to be fixed and sold
NSR250 mc21 (two of) One now racing /other to be race backup)
Sachs 150 bucket
Cagiva 650 Raptor