Tamiya 15464 - JR HG Aluminium Ball-Race Rollers - 19mm (Ringless) GP.464 田宮迷你四驅車迷你四驅車後備配件導輪/滾輪 雙星孖星  [15464]

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  These lightweight yet tough 19mm aluminum rollers feature inbuilt 520 bearings to produce your device with smooth motion. In addition, these rollers may be used for both front side and rear roller setups.

Specs and qualities:

• 19mm Aluminum Ball-Race Roller x2
• Accessory screws also included.
• Suitable for all Mini 4WD and Mini 4WD professional framework devices.