Available early 2016 The GTC01RR is made after one of our strongest wheels, the GTC01. After vast research, we were able to keep the high rigidity while making it light weight, comparable to the RPF1. The GTC01RR has been tested in high performance categories including cornering, braking, acceleration, deceleration, and steering response. The GTC01RR is available in three different concave faces. Sizes 18″ Matte Gunmetal Spec-E Inspected MAT Process This is a special order wheel. Please Chat with us for details.