Well, I picked up the bike with the new Bridgestone Battlecruiser H50 tires on it the night before last. It was raining on the way home and I was taking it easy since they are new and probably coated with silicone but they seemed to do well in the rain. So far I have out about 500 miles on them. I took them over some really challenging roads here in the Western Carolina mountains. The Blue Ridge parkway, The Rattler (209), and The Tail of the Dragon (US129).
I am absolutely thrilled and very impressed with the New Bridgestone Battlecruiser H50 tires on my 2014 Valkyrie. They have transformed the way this bike rides and handles. Much improved over the Metzler 880's that were on the bike. The ride is much more controlled and less twitchy. Side to side transition going around corners is much smoother and easier than with the 880's and it seems to hold the line through the corners at both high and low speed with much more ease and confidence. High speed stability is greatly improved. I have Bridgestones on my Goldwing F6B (they are the factory recommended tire). I have had a lot of different tires on that bike, Dunlop Elite (3 and 4), and others and I keep going back to the Bridgestones, they are great value for the money.
The mechanic that installed the new Bridgestones on the Valkyrie was worried that the 60 aspect sidewall verses the 55 would be too tall and would be too close to the front of the swing arm but after riding hard yesterday and with the tire temps close to 100 degrees ( I have FOBO 2 sensors on the Valkyrie) there was still almost 3/4 inch between the tire and front of the swing arm.
In conclusion, I would recommend the Bridgestones for your Valkyrie. I will report back as to how they hold up mileage wise and as I spend more time in the rain. We are here in the mountains till November and I average about 500 miles a week on this bike so I should know by the end of fall how they hold up.