Four batteries included

9 tires with foam inserts for the Traxxas TRX-4

It also serves as a perfect factory replacement if your existing chassis is cracked or worn from hard running

updating is simple with the Spektrum USB Programmer and PC programmer application

Genuine HPI Racing replacement part #82007

AXIAL AXI234029 Pivot Ball Stainless 6.8x7.5mm (10) RBX10 Slot Car Parts Four batteries includedAXIAL AXI234029 Pivot Ball Stainless 6. 8x7. 5mm (10) RBX10 The Axial AXI234029 is a pack of 10 genuine Axial stainless steel pivot balls, 6. 8x7. 5mm, sized for the RBX10. Stainless steel construction resists wear at these high friction suspension pivot points, keeping link movement smooth over the life of your rig. Genuine Axial stainless steel pivot balls 6. 8 x 7. 5mm sizing Pack of 10 Fits Axial RBX10 Corrosion resistant construction