Quantium
Квантиум · derived from Quantum
Sergey Shirogorov · 95 mm blade · Frame lock. 5 models in the catalog.
On this page
Also listed as: Quantium Ursus, Квантиум Урсус
Built on the Quantum, in the Ursus tier.
About this line
The Quantium is a Sergey Shirogorov line derived from the Quantum in the Ursus tier. Its one model, the Quantium Ursus, was announced by the factory on 25 February 2023 and is listed on the factory site. The line is current.
Facts
Baseline: Quantium Ursus- Blade length
- 95mm (3.74in)
- Blade thickness
- 3.5mm (0.14in)
- Handle thickness
- 13 mm
- Handle length
- 129mm (5.08in)
- Overall length
- 224mm (8.82in)
- Weight
- 110gr (3.9oz)
- Pivot
- MRBS
- Steel
- Cromax PM
- Handle options
- G10
- Locking mechanism
- Frame lock
- Designer
- Sergey Shirogorov
- First release
- 2023-02-25
- Status
- Current
- On factory site
- Yes, currently listed
Dimensions are the line baseline; steel, handle and finish vary by configuration — see the models table below.
Models in this line
Columns
Quantium Ursus | Ursus line | 2023 | Cromax PM | — | — |
Quantium Halloween EditionHalloween Edition 2025 | Special edition | 2025 | Cromax PM | — | — |
Quantium WKMR1 Invitational 2024, White CarboTi | Show edition | unpublished | ZDI-E | 50 pcs | — |
Quantium TKMR1 Invitational 2025, Teal Magnetic CarboTi | Show edition | unpublished | ZDI-E | 50 pcs | — |
Igor Oleinikov Quantium Solar SystemCarbon Fiber “Solar System” (Igor Oleinikov) | Finish-artist edition | unpublished | Cromax PM | — | — |
Secondary market for the Quantium
13 observations in the last 12 months, across 2 sources (RU, US). Trend: insufficient. Latest observation: .
4 configurations tracked separately.
Sign in for current low, high, median, per-transaction detail, and open listings.