Advantages: It can be converted between drifting and racing. Tightening is straight shaft loosening is racing. It takes a little patience to adjust when racing. Weight: 12g Size: length 31.5mm outer diameter 14.8mm bearing 6*10*3mm notes: 1. Due to the difference of different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to different manual measurements, please allow slight size differences.