Z-Flex P.O.P. Roundtail Banana Train 39The Roundtail longboard a staple in the range due to its great shape, versatility and ease of use for all levels of skaters. The 69mm wheels are perfect for that daily commute or surf check cruiser with their soft durometer of 83A allowing for a smooth ride on almost all concrete surfaces. The 180mm Reverse kingpin truck sit lower and are more stable than standard trucks and use a 90A Soft Cushion bushings for smooth turning.