I ran RBF600 at Sebring on several occassions. Before that, I had experienced brake fade in the afternoon. Using the RBF600, I only got a slightly spongy pedal on the last 5 laps of the day, when I was really pushing hard. It is a quality product plain and simple.

I have 2 pint bottles left, and have more on order. I will update this thread when I find out the date it will come in. $13.50 per bottle is the price.