Sabre RKP HollowLite 180mm White Skateboard Trucks (Set Of 2) Sabre RKP HollowLite 180mm White Trucks. Gravity Cast strength just got lighter. Using ourGravity Castmanufacturing method, the Hollow Lite truck features a Japanese Steel Hollow axle and Grade 8 Hollow kingpin for weight savings at no cost to strength. Featuring the same proven 48 degree geometry of the Sabre Standard trucks. Powdercoated White finish only.