HPI Racing Ball Bearing 5 x 11 x 4mm Zz (2 pcs) [B022] Factory-engineered bearing pair meeting HPI specifications for accurate performance and durability across the complete model range listed below. Fits these kits and models: Micro RS4 1969 Ford Mustang RTR-X SAVAGE XS FLUX VG JR VENTURE Scale Builder Kit Jumpshot MT V2 - Red/Blue Jumpshot ST V2 - Yellow Savage XS Flux Chevrolet El Camino Jumpshot MT Flux - Yellow Jumpshot SC Flux - White Jumpshot ST Flux - Blue Vorza Nitro Buggy Vorza Nitro Truggy WR8 3.0 2001 WRC Subaru Impreza Jumpshot MT V2 - Blue/Silver Jumpshot SC V2 - Green Jumpshot ST V2 - Red Jumpshot SC V2 Toyo Tires Edition Jumpshot SC Flux Toyo Tires SAVAGE XS FLUX GT-2XS