Tensor Trucks Mag Light Lo Velvet Rodney Mullen Blue 5.25 Hollow 8"Tensor Skateboard Trucks Mag Light Lo Velvet Rodney Mullen Blue 5. 25 Hollow 8" Axles Tensor trucks are one of the most highly engineered skateboard trucks on the market. Tensor trucks are like the Porsche of trucks, 231 grams light. The lightest trucks ever. Tensors Magnesium makes grinding a breeze, plus the kingpin is lowered to prevent abrasion & the bushing seat pivot cup are redesigned to a new position which guarantees responsive sharper