Must have upgrade for the MSB1. This ceramic "TrueSpin" bearing kit contains all the necessary bearing required for your MSB1. These bearings feature removable rubber shields that allow simple and easy maintenance. The "TrueSpin" bearing kit is lighter in weight and much smoother then the factory bearings. Get faster lap times, longer run times and more overall performance out of your MSB1. 

Note: Oil lightly before use

SKU: 18547