Which Axle do I need for my bike?
Use our helpful tool to work out which Axle you need for your bike when choosing one of our Rear systems.
Product Guides
Universal Thru Axle – The Complete Guide
A complete guide to the Universal Thru Axle.
Fitting a SpeedPack to the Specialized Epic
How to fit a Tailfin SpeedPack to the Specialized Epic
Complete Guide to Axles
A detailed and comprehensive guide to Tailfin Axles, both quick-release (QR) and Thru Axle.
Assembly Guides – Thru Axles
Thru-Axle Assembly Instructions Universal Thru Axle Instructions Axles – which do I need for my bike?
This guide will help you select the correct tailfin axle your bike requires to fit our Tailfin Pannier Racks, CargoPacks and SpeedPacks.
My bike doesn’t have rack mounting eyelets. Will it fit?
Does your bike have no mounting eyelets? You can axle mount your Tailfin Rear System to turn it into a commuting or bikepacking machine.
