Tamiya has released HG Lightweight 17mm Aluminum Ball-Race RolleRingless under Mini 4WD Spare Parts 2 category
This really is a lightweight 17mm aluminum ball-race rollers being available these days to tune your Mini 4WD automobile. These rollers provide less weight and a small boost in rate, along with superior durability and silky-smooth rotation.
• 17mm Lightweight Aluminum Ball-Race Rollers x2
• Eight holes in each roller lead to you weight of 0.81 grms, a saving of approximately 0.25 grms per roller.
• tiny parts for accessory are included.
• integrated 520 ball bearings provide smooth roll.
• right for Mini 4WD and Mini 4WD PRO automobiles. Some figures might need modification.