Sector 9 Bamboo Rhythm 9.25x38.3 Complete Longboard Skateboard 38.3" L x 9.25" W x 27.0" WB. The surf shape of the Rhythm combines with Gullwing Charger trucks and 65mm wheels to create a great, balanced feel to this carving cruiser. The bamboo gives it a nice flex, helps reduce weight and is great alternative to wood. Push Don't Pollute!