BX1175 Boxmount™ Big Brake kit - Wheel Fit Tool

Tool is same size as BX1175. Insert tool into your wheel to see if the BX1175 will fit.
Tool is 54.1mm hub, same as OEM. 67.1 adapter ring included for wheels with that center bore. 

Rerturn tool and adapter ring for full refund.

If you have a 3D printer with capability to print this size, you can also print your own tool using this file: https://www.thingiverse.com/thing:4983138