bearing holder

Fits the Kyosho Optima

And for sedans the secure bracket holds the fan at a distance from the armature to avoid the magnetic fields of the motor disrupting the fans motor (too close and the fan does not operate at full rpm's)

nor are they as light

Losi LOS41023 4 Row Rear Tires Mounted Red (2) Mini JRX2 Accessories bearing holderLosi LOS41023 4 Row Rear Tires Mounted Red (2) Mini JRX2 The Losi LOS41023 is a pair of 4 row tread rear tires mounted on red wheels, built for the Mini JRX2. This genuine Losi part is a direct fit replacement, restoring your Mini JRX2's original rolling stock and traction. Whether you're repairing worn tires or refreshing a well used Mini JRX2, this factory correct mounted set installs just like the original it replaces, so you can get back to