MGI – Zip X3 Gearbox

Original equipment on the 2019 and newer Zip X3 models with 15mm wheel axles.
Please measure your axle width before purchasing.

This gearbox is a replacement for 2018 and older Zip X3 models with 12.7mm wheel axles, however, both the left and right wheels will need to be replaced as well. We do not stock these wheels.