Cherry MX Ergo Clear Switch is named such because it has a lighter spring weight than normal. 

Switch Type – Tactile 

Specifications

Operating Force – 55g

Switch Type – Tactile

Pre Travel - 2.0mm

Top Housing Material - Nylon

Bottom Housing Material - Nylon

Stem Material - POM

Travel - 4.0mm

Mount Pin - 5pins

1 Unit = 10 Switches