They're HG (High-Grade) 19mm Tapered Aluminum Ball-Race Rollers (Ringless) with a cutting-edge design featuring holes to restrict excess weight. This set includes two tapered rollers that basically assist your car or vehicle to quickly monitor back regarding system if it will take spot to mount this system wall area.
• Tapered aluminum ball-race rollers with essential 520 ball bearing x2
• 2x8mm screws x2
• Roller spacers x4
• Item 95651 saves about 30percent fat versus Item 95436.
• Item 95436: 1.92g / Item 95651: 1.32g (fat is per one roller with essential 520 ball bearing.)
• ideal for Mini 4WD and Mini 4WD PRO cars. (take serious notice that some systems might need modification.)