Should be a 150/60 on the rear, not a 150/70. I don't know if that was a typo, but in my opinion you'd be better off with Honda's recommended tyre size and some HRC shock link plates than Bridgestone's generic numbers!
There's certainly nothing wrong with a 150/60x17 on an MC21 or MC28 rim, which is the same width as an R5/6K. With an over-sized tyre you actually run the risk of running a reduced contact patch, and consequently less grip.
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Andy.
NSR-WORLD.COM
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