Well, here is my $0.02. Or in this case $140.00. I put the RTP on my Alpina Team and they are pretty great. They are quiet, comfortable and feel much easier to get up to and maintain speed than my Continental Cross Kings. On the road, they are very nice. On the crushed granite paths, they are also nice, with adequate grip. I am a fan. My LBS guy has been on the RTP for 1000s of miles and his side walls have held up to plenty of gravel. I'm not sure yet if I want to take it on the local single track. There are a few sharp rocks and 70 bucks a pop is scary.