Mid-size XB2 2.0mm dense aluminum framework works for songs which more traction is a must. Well suited for low to moderate traction tracks. The 1-piece framework design with an increase of flex function produces more basic traction and improves steering. Suitable for low to moderate traction. Features extra 4 holes to put in extra stiffener to reduce laterally framework flex. This improve rotation and accuracy on high level. CNC-machined from top-quality Swiss 2.0mm 7075 T6 aluminum.