These are a color variation of Tamiya’s 13mm rollers used in Mini 4WD racing cars. Lightweight race-spec parts save around 30% compared to standard rollers thanks to holes bored into them.
- Ringless Aluminum Ball-Race Rollers x2
- Built-in 520 ball bearings make for silky-smooth rotation.
- Small parts for attachment included.
- Compatible with Mini 4WD and Mini 4WD PRO cars. | 
