This page is to help you find out if you need Boost or non-boost hubs on your disk wheel set.
Non-boost / standard
Are used older mountain bikes and some gravel and road-disk bikes.
They measure 100mm on the front hub and 135mm or 142mm on the rear hub.
Boost
Are used on all new mountain bikes and some gravel and road-disk bikes.
They measure 110mm on the front hub and 148mm on the rear hub.
other ‘standards’
Boost 157mm
Boost 141mm
To find out if your current hubs are boost or non-boost you need to remove the wheels from the bike and measure the whole width of the hubs.
The 110mm boost measurement is taken from the ends of the end-caps.
The rear 148mm boost hub is measured from the ends of the axle
how to order the correct hub width hubs on your new wheels
measure for torque caps
measuring between the drop outs in the frame
measure the distance between the front forks
measure a 15mm axle diameter
