Elecom EX-G Trackball

By Xah Lee. Date: . Last updated: .

Elecom EX-G Trackball series came out starting in 2014. Second generation came out in 2015-10.

There are left-handed version, right-handed version, and also wired and wireless versions.

elecom ex-g trackball xvPZc
Elecom EX-G trackball [image source https://twitter.com/nekotrackball/status/1369516246404722692]

Elecom Trackball

Hold the pinky strip button slow down DPI.

Ball Size

Ball diameter is 34 mm.

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Trackball Ball Sizes and Replacement

Software to Reprogram Buttons

However, software are available to reprogram the buttons, for Microsoft Windows and Mac.

elecom ex-g trackball software
Elecom EX-G trackball software

download Elecom Mouse Assistant at http://www.elecom.co.jp/global/download/utility/mouse_assistant/

Work in Linux?

A user wrote:

the M-XT3DR model is NOT fully functional in Linux out of the box; the rightmost button isn't detected at any level, and “right click” comes mapped to the middle button.

— user Trilkhai, 2017-02-11

Otherwise, works in Linux out of the box.

The top left 2 buttons are browser back and forward.

You can remap mouse buttons in Linux using xinput. [see Linux: How to Swap Mouse Buttons]

Size Comparison

elecom ex-g logitech m570 trackball 99035-s1049x610
Microsoft TrackBall OpticalLogitech M570 TrackballElecom EX-G Trackball 2592×1944 [image source geekhack.org ]
elecom ex-g logitech m570 trackball p77vc-s1163x421
2580×935Logitech M570 TrackballElecom EX-G Trackball [image source geekhack.org ]
trackballs 2017-08 89b67-s333x188
Trackball Size Comparison

Left-Handed Version

elecom wireless trackball lefthanded M-XT 87
Left handed, wireless, version. ELECOM M-XT4DRBK. Buy at amazon

Model Numbers and Differences

Elecom M-XT1DRBR
First generation. Wireless.
Elecom M-XT1URBK
First generation. Wired. Buy at amazon
Elecom M-XT2DRBR
Second generation. Hold the pinky button to slow down cursor. Hardware function.
Elecom M-XT3DRBK
Wireless. No hold pinky button to slow down feature. Buy at amazon
Elecom M-XT3URBK
Wired. Buy at amazon
Elecom M-XT4DRBK
Left handed version. Wireless. Buy at amazon

Elecom EX-G Pro

elecom ex-g pro trackball f5d09-s286x218
Elecom EX-G Pro
(34mm)