Grafalloy BiMatrix Tour Prototype
Bubba Watson plays the Grafalloy BiMatrix driver shaft and won the 2012 Masters with it. When he came on tour he showed up with one painted pink. Grafalloy accommodated him and made them in pink. For those that are not ready to play with a pink driver shaft it is also available in baby blue.
This design was introduced about 10 years ago and I tried it at the time. It was black back then and I still have an original R in the shop. I profiled it a few years ago and was surprised at the profile. It looked like a high launch design. The R flex profile from the original looks like the X flex I just profiled for this review. The current R & S flex have been redesigned for the typical R or S player.