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Head to head · Prices checked Nov 7, 2026

ATTACK SHARK K86 vs Sikakeyb SK1 Mountain City

Get the ATTACK SHARK K86 for the 4,000 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

ATTACK SHARK K86

Battery

Build quality in the top 20% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Sikakeyb SK1 Mountain City

Build quality in the bottom 30% of 60% boards under $100.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

ATTACK SHARK K86

Sikakeyb SK1 Mountain City

  • Layout size

    75%

    60%

  • Battery

    4,000 mAh

    1,900 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Aluminum, Plastic

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • ATTACK SHARK K86
  • Sikakeyb SK1 Mountain City
Performance
68
44
Build quality
76
50
Productivity
85
51
Customizability
75
73
Portability
81
82

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

ATTACK SHARK K86 vs Sikakeyb SK1 Mountain City specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

8 of 19 specs differ

ATTACK SHARK K86

Sikakeyb SK1 Mountain City

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

75%
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

4,000 mAhBetter
1,900 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
Aluminum, Plastic

Keycaps

PBT
—

Weight

930 g
—

Dimensions

35 x 380 x 150 mm
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2024
2022

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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