This boxed set includes all of the necessary bearings you need

One catalog with other HPI bodies

08oz / 59g

This is a Scenery Details Learning Kit from Woodland Scenics

which can be a useful setup option for certain track conditions

Hitec 36840 D840WP D-Series Programmable Mega Scale Waterproof Servo ET48 Parts This boxed set includes allHitec 36840 D840WP D Series Programmable Mega Scale Waterproof Servo This is the Hitec D840WP Programmable Mega Scale Waterproof Servo. FEATURES: Ideal for airplane, giant scale car, boat, UAV and robotic applications Center heat sink for efficient motor cooling Operates on 3. 5 8. 4V Programmable high response digital amplifier* Durable steel gears with dual ball bearings Water and dust resistance INCLUDES: D840WP Servo with 1. 6" (39. 9mm) Round