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Bullet Train – 40% Low-Profile Custom Tastatur-Kit (V4N4G0N)

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| Cannonkeys Bullet Train V4N4G0N | Vortex Core Plus | Lofree Edge |
86 Overall/ Value 85.9Build Quality 81.7Customizability 84.8Performance 61.6Productivity 78.1Portability 88.0![]() | 68 Overall/ Value 68.4Build Quality 69.4Customizability 60.2Performance 45.5Productivity 75.3Portability 86.9![]() | 67 Overall/ Value 66.5Build Quality 72.2Customizability 56.5Performance 53.9Productivity 76.6Portability 82.6![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 0.0 stars (0 reviews) |
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Name Cannonkeys Bullet Train V4N4G0N | Name Vortex Core Plus | Name Lofree Edge |
Release year 2026 | Release year 2025 | Release year 2024 |
Switch Options - | Switch Options Clicky, Tactile, Linear | Switch Options - |
Profile Low Profile | Profile Low Profile | Profile Low Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 40% | Layout Size 40% | Layout Size 75% |
Layout Standard - | Layout Standard ANSI | Layout Standard ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support LED | Display Support | Display Support |
Mac/Win Support | Mac/Win Support | Mac/Win Support |
Multi-Media Keys | Multi-Media Keys | Multi-Media Keys |
USB-C | USB-C | USB-C |
USB passthrough | USB passthrough | USB passthrough |
Connection Bluetooth, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, Wired, Wireless |
Polling Rate 1000 Hz | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity - | Battery capacity - | Battery capacity 2000 mAh |
Hall Effect Support | Hall Effect Support | Hall Effect Support |
QMK Support | QMK Support | QMK Support |
VIA Support | VIA Support | VIA Support |
VIAL Support | VIAL Support | VIAL Support |
N-Key Rollover | N-Key Rollover | N-Key Rollover |
Rapid Trigger | Rapid Trigger | Rapid Trigger |
Mount Style Gasket Mount | Mount Style Plate Mount | Mount Style PCB Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight | Backlight White |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material Aluminum | Case Material Carbon Fiber, Magnesium |
Keycaps Material - | Keycaps Material - | Keycaps Material PBT |
Dimensions - | Dimensions - | Dimensions 15 x 318 x 154 mm |
Weight - | Weight - | Weight 485g |
The Cannonkeys Bullet Train V4N4G0N is a compact, low-profile barebone kit for users willing to adapt to a 40% layout. Its dedicated 1–6 number row keeps common gaming keys directly accessible, while its small footprint suits travel or desk setups where space matters. It is less suited to anyone who wants a familiar full-size layout without layers.
Numbers 7–0, function keys and navigation commands rely on layers, so expect a learning curve and some remapping. Choose either a full-width spacebar or split spacebars when configuring the build. Changing that choice later requires a different plate.
The kit supports hot-swap Gateron KS-33 low-profile switches, so compatible switches can be changed without soldering. Stabilizers are included, but switches and keycaps are not specified as included.
A gasket mount uses cushioning between the plate and case to add some flex and reduce hollow sound. The FR4 plate provides a different, generally softer typing feel than a metal plate, though the exact sound depends on the switches and keycaps.
Choose the wired QMK PCB for USB-C use and extensive keymap customization, or the wireless ZMK PCB for Bluetooth setups. Wireless battery life and operating-system compatibility are unknown.
The low-profile design keeps the board slim, but limits switch choice to the compatible KS-33 format. Its compact layout saves space at the cost of direct access to many keys, and the barebone format requires additional parts before use.