KPREPUBLIC
KPREPUBLIC Everglide EG Aqua King Water King Linear Switch 4pin 5pin RGB 55g 62g 67g Force mx Switch for Mechanical Keyboard 50m Clear Body (X90 PCS, EG 55g Aqua King Switch)
Bottom line: The KPREPUBLIC Everglide EG Aqua King Water King Linear Switch 4pin 5pin: Fully transparent polycarbonate housing reflects RGB lighting; main trade-off: 4mm total travel is longer than most linear switches.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Fully transparent polycarbonate housing reflects RGB lighting
- ✓ Rated over 50 million actuations for long lifespan
- ✓ Smooth linear feel with consistent 4mm total travel
- ✓ Three weight options: 55g, 62g, or 67g actuation force
- ✓ Gold-plated stainless spring plus gold alloy contacts
Cons
- ✗ 4mm total travel is longer than most linear switches
- ✗ 90-pc pack may not fill a full-size or split board
- ✗ Factory pre-lube level not stated; may need hand lubing
- ✗ Actuation force tolerance of plus/minus 10gf per switch
Manufacturer description
The ocean may be deep, but it's a smooth ride all the way down. Take a dive, and chances are, you’ll see everything in front of you. The same holds true for Everglide’s new Aqua King switches. With a total travel of 4 millimeters, these linear switches have a longer round trip than most other linear options—but with the same consistent resistance from start to finish. Where they standout is in their fully transparent housings, which elegantly reflect light—much like ocean water. Other components include a stainless steel spring with a gold plate, as well as gold alloy contacts for extra…
SpecPicks Verdict
SpecPicks scored KPREPUBLIC Everglide EG Aqua King Water King Linear Switch 4pin 5pin… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. KPREPUBLIC's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Switch housing material: Polycarbonate
- Stem material: Polycarbonate
- Lifespan: > 50 million actuations
- Pretravel: 2.0 (± 0.6 mm)
- Total travel: 4 mm (± 0.3 mm)
- Actuation force: 55 gf, 62 gf, or 67 gf (± 10 gf)
Full Specifications
| Brand | KPREPUBLIC |
|---|---|
| Color | EG 55g Aqua King Switch |
| Model | 6576294756515 |
| Spring | Stainless steel (with a gold-plate） |
| Weight | 55g |
| Contacts | Gold alloy |
| Lifespan | > 50 million actuations |
| Material | Stainless Steel |
| Terminal | Physical |
| Pretravel | 2.0 (± 0.6 mm) |
| Unit Count | 90 Count |
| Bounce time | < 5 ms (during actuation with 0.4 m/s) |
| Switch Type | Mechanical |
| Circuit Type | 1-way |
| Contact Type | Normally Open |
| Control Type | Direct |
| Total travel | 4 mm (± 0.3 mm) |
| Actuator Type | Plunger |
| Compatibility | Switch |
| Material Type | Stainless Steel |
Ready to buy?
KPREPUBLIC Everglide EG Aqua King Water King Linear Switch 4pin 5pin RGB 55g 62g 67g Force mx Switch for Mechanical Keyboard 50m Clear Body (X90 PCS, EG 55g Aqua King Switch) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Gaming Peripherals
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- Best GPU for a NAS or Homelab Running Local LLMs (2026)
- Self-Host Immich on a Budget Homelab Box: Storage Tiers That Make Sense
- Best 4K Gaming Monitor for the PS5 Pro and PC in 2026
- Ryzen 9800X3D vs 7800X3D: Best CPU for an RTX 5070 Build
- Best Streaming and Podcasting Gear for 2026: 5 Picks for Mic, Light, and Monitoring
- Windows XP Gaming ISO: A Modern Hardware Setup Guide
- Run a Local LLM on a Raspberry Pi 4 8GB: What Works in 2026
- RTX 4090 AI Video Generation: 2026 Performance Guide
- Best Budget Streaming Starter Kit for 2026 (Under $200)
- Best Parts for a Local Speech and Vision AI Box in 2026
- Framework RTX 5070 12GB Module: Why It's $1,199, Not $699
- Samsung's 256GB microSD Falls to $47.99 — Plus the SSD Sidegrade
- Can a Raspberry Pi 4 8GB Run a Local LLM? Ollama Tiny-Model Benchmarks
- Qwen 3.6 27B vs Gemma 4 31B Local Inference: VRAM, Tok/s, and Quality Across Quantizations
- RTX 3060 12GB vs RTX 4070 12GB for Qwen2.5 14B (2026)
- Intelligence Index v4.1 Goes Agentic: Can a 12GB RTX 3060 Keep Up Locally?
- Best SATA SSD to Upgrade Your PS4 Pro Storage in 2026
- Best Parts for a Budget Ryzen + RTX 3060 Gaming PC Build in 2026
- Benchmarking Open LLMs for Tool-Use: RTX 3060 12GB vs Ryzen 5800X CPU-Only
- Raspberry Pi 5 16GB Ships — Is the Pi 4 8GB Still Worth It?
- Shared ChatGPT and Claude Chat Links Are Spreading Malware (And Local LLMs Fix It)
- Best Webcam and Mic Setup for Streaming Under $300 (2026)
- PebbleOS Comes to the Raspberry Pi RP2350: What the Port Means for Tinkerers
- Sub-$300 4K Mini-LED Gaming Monitors Hit the Mainstream
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090