Technical Information

Explore our technical information for tips, guides, and advice to help you get the most from your trailer spares.


Axle Length Calculator - Trailer Spares Direct

Axle Length Calculator

Axle Length Calculator The calculation above is the face-to-face measurement...
1 min read
Axles
Galvanised and Dacromet Explained - Trailer Spares Direct

Galvanised and Dacromet Explained

Trailer and caravan parts are made in a variety of...
1 min read
Parts
Brake Controllers for HydraStar Actuator - Trailer Spares Direct

Brake Controllers for HydraStar Actuator

HydraStar brake actuators are compatible with the widest range of electric brake...
1 min read
Brakes
What bearing does my trailer run? - Trailer Spares Direct

What bearing does my trailer run?

Identifying your correct bearing combination of inner and outer bearings...
2 min read
Bearings
Choosing the trailer axle type and length - Trailer Spares Direct

Choosing the trailer axle type and length

Tips and calculations on working out the correct axle size...
3 min read
Axles
Identify my hub type and PCD - Trailer Spares Direct

Identify my hub type and PCD

Lazy hubs, hub drums and disc hubs and rotors all come in a range...
2 min read
Hubs
Measuring my trailer's Disc Hub - Trailer Spares Direct

Measuring my trailer's Disc Hub

The easiest way to work out which replacement disc hub to...
2 min read
Hubs
Tips on wiring the HydraStar Brake Actuator - Trailer Spares Direct

Tips on wiring the HydraStar Brake Actuator

Some common mistakes to avoid during installation of the HydraStar...
1 min read
Brakes
Brake Controller wiring diagram - Trailer Spares Direct

Brake Controller wiring diagram

This diagram is a general guide for wiring common brake controllers into cars. To...
1 min read
Brakes
Trailer plug wiring diagram - Trailer Spares Direct

Trailer plug wiring diagram

Wiring diagram for wiring in trailer plugs and sockets. Details...
1 min read
Parts