Manufacturer Description

The TrailMaster Sport 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
m3 mount holes, 25mm spacing, "540" standard
178g weight
ball bearing on output side
bronze bushing on end bell side
High strength magnets

Equivelent KV:
Trailmaster Sport 550 45t - 1000kv
Trailmaster Sport 550 27t - 1400kv
Trailmaster Sport 550 21t - 1810kv
Trailmaster Sport 550 12t - 3100kv
Trailmaster Sport 540 55t - 1000kv
Trailmaster Sport 540 35t - 1400kv
Trailmaster Sport 540 27t - 1800kv

Every Holmes Hobby brushed motor carries a 30 day warranty to cover manufacturing defects. Damage caused by improper gearing is not covered under warranty.
Please check here to see if you will need to change your gearing. If your vehicle is not listed, please contact us Holmes Hobby.