I'm going to order the BT090's next week. Read lots of good review on these both in the wet and the dry. They sound just right.

Here's the wording from Bridgestone:

Battlax BT-090

Introducing the new BT090 for middle-size bikes. Refined by using the latest technologies from Bridgestone, the BT-090 is perfect for aggressive riding on both circuits and streets. The rigidity of the tyre induces better contact feel in corners, especially for slide control during races. The new compound and pattern offer improved grip and handling in both wet and dry conditions, with better high-speed stability and anti-shimmy performance ensuring a smooth ride.


TECHNICAL INDEX

Compound

High grip compound for middle-size class motorcycles. Maintains high grip level from start to finish regardless of the temperature.

Pattern

New pattern optimises both vertical and horizontal rigidity of the tyre. Less grooves on the tread edge allow for better dry grip and machine control in corners, and more grooves in the centre area leads to better wet performance.

Profile and Pattern effect

Higher rigidity in sidewall area increases grip in corners. Better slide control for easier "line" tracing. Improved high-speed stability and anti-shimmy for better street-riding performance.

Construction

MSB Kevlar in rear
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92 MC21 NSR250SE / 09 ZZR1400
I live more in 5 minutes of riding my motorcycle than some people live in their whole lifetime!