CB Plate SB vs Overlander Head: Karve Base Plate Guide
By Karve Shaving Co. | Engineered & Machined Safety Razors Made in Canada | Published: 2026-10-17
Category: Comparisons
Compare the Christopher Bradley SB-B plate and the Overlander head on fit, feel, and flexibility so you can pick the right Karve base plate for your shave.
Quick answer
Choose the Overlander head if you want one head that stays comfortable across daily shaves and several days of growth, and you prefer a simpler setup. Choose the Christopher Bradley SB-B plate if you want a classic double-edge razor with Karve's configuration system and a fixed, ready-to-ship build. Both use the same #10-32 thread standard, so handle compatibility is the same for either.
What each head is designed to do
The Overlander was designed to be comfortable across a wide variety of conditions, according to Karve, and it works for daily shaves or with multiple days of growth. The Christopher Bradley is described as a classic double-edge safety razor that provides a comfortable shave, and the SB-B plate is the solid-bar option in that lineup. In practice, the Overlander is positioned as the all-around head, while the CB SB-B is the classic solid-bar choice within a broader configuration system.
Fit and handle compatibility
Both heads use #10-32 threads, so any Karve handle or compatible aftermarket handle with that thread will fit. Karve warns that M5x1 threads may look similar but are not compatible, and forcing them can damage the cap and handle. If you already own a handle, check the thread spec before buying a head-only option.
Buying the head on its own vs the full razor
The Overlander head is available separately in brass or stainless, which lets you pair it with a handle you already own or build a custom razor. The Christopher Bradley razor is currently sold as a fixed configuration with the WB cap, SB-B plate, and 3.5-inch CB Guilloche handle, and Karve notes that substitutions are not available on that ready-to-ship build. That difference matters if you want to reuse a handle or if you want a complete razor without choosing parts.
How to decide without overthinking it
Start with your routine: if you shave daily and want one head that also handles a few days of growth, the Overlander is the simpler answer. If you prefer a classic solid-bar razor and want a complete, fixed build that ships quickly, the CB SB-B configuration is the straightforward choice. If you already own a compatible handle and only need the head, the Overlander head options let you avoid buying a handle you do not need.
Trade-offs at a glance
- Overlander head: one head for many conditions: Karve describes the Overlander as comfortable across a wide variety of conditions, from daily shaves to multiple days of growth. Best if you want a single head that adapts to your routine.
- CB SB-B: classic solid-bar build with fixed configuration: The Christopher Bradley razor ships with the WB cap, SB-B plate, and 3.5-inch CB Guilloche handle, and substitutions are not available on this ready-to-ship version. Best if you want a complete classic razor without choosing parts.
- Handle compatibility is the same for both: Both heads use #10-32 threads; M5x1 threads are not compatible and can damage the cap and handle. Verify your handle thread before buying either head.
Product facts
- The Overlander Safety Razor - Brass: The Overlander is designed to be comfortable across a wide variety of conditions and works for daily shaves or with multiple days of growth. One head can cover both frequent shaving and longer gaps between shaves.
- The Christopher Bradley Safety Razor - Brass: The Christopher Bradley razor is currently configured with the WB cap, SB-B plate, and 3.5-inch CB Guilloche handle, and substitutions are not available on this ready-to-ship build. You get a complete classic razor without configuration choices, but you cannot swap parts on this version.
- Overlander Head - Brass: The Overlander head uses #10-32 threads, and M5x1 threads are not compatible and can damage the cap and handle. Check your existing handle's thread before buying a head-only option.
Who should choose which
Best for
- Shavers who want one head for both daily shaves and several days of growth
- Buyers who already own a compatible #10-32 handle and want a head-only option
- Those who prefer a simpler setup without configuration choices
Not for
- Buyers who want a complete classic razor with a fixed, ready-to-ship configuration (choose the Christopher Bradley SB-B)
- Anyone unsure of their handle's thread type; check the thread before buying a head-only option
