Holmes Hobbies TrailMaster Sport 550 21T Brushed Crawler MotorHolmes Hobbies TrailMaster Sport 21T 550 Brushed Crawler Motor. The Holmes Hobbies TrailMaster Sport 550 Brushed Motor is a budget motor built for messy, dirty, off road action. Whether on the rocks or in the dirt, the TrailMaster Sport is perfectly at home. Great choice for young drivers or running in the muck without ruining an expensive motor. Features: Zero timing, universal installation and rotation direction 1 8th inch shaft diameter 36mm OD x

MPN: HRASLG14TG

MPN: TRAILMASTER-550-21T

Traxxas 8716 Speed Bit Set Hex Driver 2-Piece Ball-End 2

Traxxas 8288 10-35T Ring Gear Differential/ pinion underdrive machined TRX-4

Outer Diameter: 2

Constructed from CNC machined anodized aluminum this hold down set allows you to mount taller batteries in the Traxxas Sledge battery compartment

11sec/60°) of speed at 14

25T Spline ProTek Output Shaft

Gear Ratio: 24/12=2 (Same as Stock)

Type: Front Inner Portal Drive Housing

Required Assembly: Parts

requires painting) (includes grille