Reef's RC - 99MICRO Servo, Brass Edition Tires Wheels Inserts Stadium Truck as well as 1/10 Pro

as well as 1/10 Pro Class drag racing pan car style chassis that use a mini size servo

1/10 scale 4WD on-road RC model assembly kit

Overall length: 11 5/8" (300mm)

That's triple the strength of the stock inner bearings

So they can only tell you that RC4WD tires and wheels work together

Reef's RC - 99MICRO Servo, Brass Edition Tires Wheels Inserts Stadium Truck as well as 1/10 ProFeatures: High Torque Digital Coreless Water Resistant Internal: Precision Metal Gears All CNC Brass Casing Spline: 25T Micro BEC Not Required Voltage 6V 8. 4V Weight: 1. 27oz 36G Dimension: . 90 x . 47 x 1. 08 (LWH) Torque: 89oz @ 6. 0v, 99oz @ 7. 4v , 115oz @ 8. 4v Speed: . 11sec @ 6. 0v, . 09sec @ 7. 4v, . 08sec @ 8. 4v