10pc Ball Bearing Hop-Up Upgrade Set for TAMIYA GRASSHOPPER | RISING FIGHTER ZZ

10-pc Ball Bearing 'Hop-Up' Upgrade Set for TAMIYA HORNET | MIDNIGHT PUMPKIN 2RS

10-pc Ball Bearing Kit 'Hop-Up' Upgrade Set for TAMIYA LUNCHBOX | MAD BULL 2RS

12-pc Ball Bearing Kit 'Hop-Up' Upgrade Set for TAMIYA FROG | SAND SCORCHER 2RS

12-pc Ball Race Bearing Kit 'Hop-Up' Upgrade Set for TAMIYA MONSTER BEETLE 2RS

Complete 14-pc Ball Race Bearing Kit 'Hop-Up' Upgrade Set for TAMIYA M-03 2RS

22-pc Ball Bearing Kit Hop-Up Upgrade Set for TAMIYA HOT SHOT | SUPER SABRE 2RS

Complete 22-pc Ball Bearing Kit 'Hop-Up' Upgrade Set for TAMIYA BOOMERANG 2RS