Robinson Racing 8723 Pinion Gear Xtra Hard 5mm 8 Mod 23T Slot Car A worn or contaminated bearing

A worn or contaminated bearing adds drag to whatever it's supporting

2 Set screws

giving you repeatable results as you test different setups across practice sessions

These are the Super Heavy Duty Drive Shafts for

Robinson Racing 8723 Pinion Gear Xtra Hard 5mm 8 Mod 23T Slot Car A worn or contaminated bearingRobinson Racing 8723 Pinion Gear Xtra Hard 5mm 8 Mod 23T This is the Extra Hard 5mm . 8 Module 23 Tooth Brushless Motor Pinion Gear from Robinson Racing. FEATURES: Extra hard construction, gun metal gray in color Fits motors with shaft diameter of 5mm Will also work on 3mm motors using the reducer sleeve (RRPC1200) INCLUDES: One 5mm . 8 Module 23T Pinion Gear One 4x4mm set screw