Kailh Super Speed KK Bronze Clicky Switches – Upgrade Keyboards
Kailh Super Speed Switch Copper/Silver/Bronze/Red Pro Keyboard Switch – mechkeysshop
Kailh Bronze Speed Switch - How it Works
Kailh Super Speed Switch Set – kailh switch
Kailh Speed Switch Set – kailh switch
Kailh Speed Switch Set – kailh switch
kailh speed switch RGB SMD MX Swithes For Backlit Mechanical Gaming ke – KPrepublic
An introduction to Kailh switches, including Speed & Box – The Keyboard Company
Kailh seems to have a lineup of Super Speed switches (Bronze, Silver, Copper, Box Red) on AliExpress. Compared to the Speed series, they have a longer spring and are factory lubricated :
Amazon.com: KAILH Cream Speed Gold Silver Copper Bronze Pink Pro Purple Green Burgundy MX SMD 3 Pin RGB Switches for Backlit Mechanical Gaming Keyboard : Video Games