Both front and rear gearboxes have differential gears

Pit Bull RC Officially Licensed Raceline wheels are made from top quality stoic material:

front steel CVA axles

you can use a Futaba R204GF-EFeatures:

1UP Racing - Cv2 Pro Ball Bearing Set, Chrome/Ceramic, AE B74.2/74.2D Replacement Parts Engine Hardware Both front and rear gearboxesAt 1up Racing, they're committed to bringing you the best products possible and are always listening to their Customer and Team Driver feedback looking for ways to improve! After gathering real world data from their original Competition Ball Bearings they proudly introduce the Cv2 Pro Ball Bearings! All bearings feature polished deep groove chrome steel inner and outer races for ultra smooth operation. The transmission bearings glide on precision