Chris King R45 Gen 4 Conversion Kit
Best modular upgrade for cyclists seeking long term drivetrain compatibility.
This kit is the ultimate insurance policy for your high-end wheelset, allowing you to pivot between drivetrain standards without discarding perfectly good hubs. It trades the simplicity of a single-standard setup for the long-term flexibility to evolve your bike as technology shifts, keeping your investment relevant for years.
$250.00
at
Chrisking
Who it's for
- Cyclists upgrading their groupset while keeping high-end wheels
- Performance-oriented riders who value precision-engineered components
- Eco-conscious enthusiasts investing in long-term equipment durability
Who should skip it
- Budget-conscious mechanics looking for a low-cost repair solution
- Home mechanics without access to professional-grade bicycle tools
- Owners of older R45 hubs needing legacy part support
Performance breakdown
Installation Simplicity
Plug-and-play design makes drivetrain swaps intuitive for most home mechanics.
Compatibility Range
Broad support for modern standards keeps older wheelsets relevant and functional.
Build Precision
Chris King engineering ensures tight tolerances and smooth, reliable engagement.
Component Completeness
Includes every necessary piece to complete the conversion without extra parts.
Maintenance Accessibility
Standard tool requirements make routine servicing straightforward and hassle-free.
Upgrade Longevity
High-quality materials extend the usable lifespan of your existing hub investment.
Key Specs
Hub Compatibility
R45 (Serial numbers starting with 631)
Axle Standard
130x9mm QR
Freehub Compatibility
Shimano HG11, HG12, Micro Spline, SRAM XDR
Intended Use
Road
Cassette Speed Compatibility
12-Speed
Rear Spacing
130mm
Hub Type
Freehub
Axle Type
Quick Release
Installation Requirements
2.5mm hex key and T10 Torx tool
Know before you buy
Still have a question?
Ask Metto anything about the Chris King R45 Gen 4 Conversion Kit before you decide.
