Amazon.com: Three buttons Touchpad Clickpad Trackpad for Lenovo Thinkpad X230S X240 X240S X250 Series Laptop : Electronics
Lenovo ThinkPad X240 Review - Laptop Reviews by MobileTechReview
New Original For Lenovo Thinkpad X240 X240i X250 X250i Palmrest Upper Case With Touchpad And Fingerprint Reader 00ht392 01yu102 - Laptop Bags & Cases - AliExpress
Lenovo ThinkPad X240 12.5" Refurbished Laptop Intel Core i5 8GB Memory 180GB Solid State Drive Black X240.I5.8.180SSD.PRO - Best Buy
Another Successful X240 Trackpad Upgrade : r/thinkpad