An electric wheel-end assembly comprising: a mounting portion; a spindle having an inboard end connected to the mounting portion and an outboard end distal from the mounting portion; a hub, rotatably mounted to the spindle via one or more hub bearings (101, 102) disposed between the inboard and outboard ends of the spindle; a 2-stage planetary reduction gearbox disposed at the distal end of the spindle and comprising: a drive input and a drive output; a first planetary stage comprising a first sun gear and a plurality of first planet gears rotatably mounted to a first stage planet carrier; a second planetary stage, comprising a second sun gear, and a plurality of second planet gears rotatably mounted to a second stage planet carrier; the first stage planet carrier being connected to the sun gear of the second stage; an input shaft comprising an inboard end having a drive receiving portion arranged to releasably connect to a drive shaft of an electric motor, the input shaft extending through the spindle to deliver a rotational input from the drive receiving portion to the drive input of the reduction gearbox, the drive output of the reduction gearbox being connected to the hub, to drive the hub in rotation about the spindle; an input shaft braking arrangement disposed at least partially within the spindle and arranged to brake the input shaft with respect to the spindle; wherein a ratio of an outer diameter of the spindle to an outer diameter of the input shaft at a location where the one or more hub bearings are mounted to the spindle is less than 3 to 1. a mounting portion; a spindle having an inboard end connected to the mounting portion and an outboard end distal from the mounting portion; a hub, rotatably mounted to the spindle via one or more hub bearings (101, 102) disposed between the inboard and outboard ends of the spindle; a 2-stage planetary reduction gearbox disposed at the distal end of the spindle and comprising: a drive input and a drive output; a first planetary stage comprising a first sun gear and a plurality of first planet gears rotatably mounted to a first stage planet carrier; a second planetary stage, comprising a second sun gear, and a plurality of second planet gears rotatably mounted to a second stage planet carrier; the first stage planet carrier being connected to the sun gear of the second stage; a drive input and a drive output; a first planetary stage comprising a first sun gear and a plurality of first planet gears rotatably mounted to a first stage planet carrier; a second planetary stage, comprising a second sun gear, and a plurality of second planet gears rotatably mounted to a second stage planet carrier; the first stage planet carrier being connected to the sun gear of the second stage; an input shaft comprising an inboard end having a drive receiving portion arranged to releasably connect to a drive shaft of an electric motor, the input shaft extending through the spindle to deliver a rotational input from the drive receiving portion to the drive input of the reduction gearbox, the drive output of the reduction gearbox being connected to the hub, to drive the hub in rotation about the spindle; an input shaft braking arrangement disposed at least partially within the spindle and arranged to brake the input shaft with respect to the spindle; wherein a ratio of an outer diameter of the spindle to an outer diameter of the input shaft at a location where the one or more hub bearings are mounted to the spindle is less than 3 to 1.