From the Bridgestone web site:
Bridgestone Europe has introduced the Exedra Max touring tyre for heavyweight, long distance touring bikes. Available in radial and bias structures with 21 sizes for the front and 20 sizes for the rear, Exedra Max will progressively replace the current Exedra touring line-up in Europe.
To develop the Exedra Max, Bridgestone has taken the best factors from its existing Exedra range and optimised the mix in four major areas of performance: mileage, stability of straight riding, handling, and grip on wet and dry surfaces. The result is a tyre that invites riders to “cruise to the max” on their heavyweight, long distance touring machines.
“Bridgestone has many years of experience in cruiser tyre technology around the world. For Exedra Max we have applied this knowhow to one basic design for ultimate riding comfort on all types of heavy cruisers” says Vincent Van Houtte, Senior Manager Motorcycle Tyre Products, Bridgestone Europe.
Tested on a wide variety of roads around the world, the new Exedra Max pattern designs ensure excellent stability and reliable response. They are optimised to reduce pattern noise and improve efficiency for a smooth, comfortable and economical ride.
The inverted V-shaped groove design helps reduce wear while maximising grip in all conditions. The groove positions are designed to enhance linear handling and the impression of rigidity, even with heavy bikes and tandem riding.
Wide crown shape for comfortable cruising Straight-line stability is all-important for long distance cruising. Bridgestone has designed the Exedra Max rear tyre with an especially large curve shape to give this stability and comfort on straight roads. With its 5-layer compound for maximum traction at any angle, Exedra Max also provides superb grip, stability and line-holding during cornering.