They're HG (High-Grade) 19mm Tapered Aluminum Ball-Race Rollers (Ringless) with an innovative design featuring holes to limit extra weight. This set includes two tapered rollers that really help your car or truck to quickly track right back regarding program if it happens to mount the program wall surface.
• Tapered aluminum ball-race rollers with integral 520 ball bearing x2
• 2x8mm screws x2
• Roller spacers x4
• Item 95651 saves approximately 30percent fat compared to Item 95436.
• Item 95436: 1.92g / Item 95651: 1.32g (body weight is per one roller with integral 520 ball bearing.)
• suitable for Mini 4WD and Mini 4WD PRO cars. (take note that some bodies might need modification.)