FlatFace Team Signature Wheels are the best wheels around. They are made to the preferences and designs of the team rider and feature uniquely formulated materials for this purpose. Brandon Robert's Signature Wheel combines all the great factors of FlatFace G7.1 Dual Bearing Wheels with a unique, custom formulated material. The formula contains approximately 20% of the T material microfibers uniformly distributed throughout the blend, giving these wheels their self lubricating properties and a unique smoothness. The other 80% is the D material giving them a solid durability. These wheels are definitely a big step in wheel technology, and you have to try them for yourself to see why they're Brandon Robert's signature wheel.