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Hmx X Phynikeys Chu

HMX

Standard ProfileLinear5

Switch Overview

HMX Chu, also known as HMX Raw, is Phynikeys' first design project. It uses a relatively basic but reliable material composition of nylon housing and a POM stem. With HMX's precise molding it delivers a solid, clacky sound profile, and the typing feel matches other HMX options. Recent production uses improved leaf springs, HMX's answer to the leaf ticking issue. Factory lubed with mixed GPL105 and GPL205 on the leaf spring, stem feet, and bottom housing rails.

Last Updated: September 12, 2026

Physical Specifications

Physical Specifications
Actuation Force42±2g
Bottom Out Force48g
Pre-travel2.0mm
Total Travel3.5±0.2mm
Stem MaterialPOM
Factory LubedYes
Spring22mm KOS single-stage extended
DesignerPhynikeys
Profile Information
ProfileStandard Profile
TypeLinear
SilentNo
Pin Count5
Force Travel Diagram
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