Kyosho Optima Mid 87 WC Worlds Buggy Bearing Kits. Multiple options are available on this listing, the drop down box above will give you all available options. We have included Bush upgrades for many parts of the car. This car has the following Bearing sizes:
3x6x2.5mm Flanged Bearings X 2 (Steering)
4x7x2.5mm Bearings X 2 (Gearbox)
4x8x3mm Bearing X 1 (Gearbox)
5x8x2.5mm Bearings X 8 (4 Diff Internal, 2 Gearbox, 2 Steering)
5x10x4mm Bearings X 9 (1 Gearbox, 8 Wheels)
6x12x4mm Bearing X 1 (Gearbox)
10x15x4mm Bearings X 6 (Diffs)
 
Plaig Bearings are a stronger, more reliable bearing with greater heat resistance and superior life to the standard factory bearings.