ethirteen Steel Axle Endcap Plug Kit for Gen 2 & 3 SL Rear hubs
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ethirteen Steel Axle Endcap Plug Kit for Gen 2 & 3 SL Rear hubs Info
Steel Axle Endcap Plug Kit for Gen 2 & 3 SL Rear Hubs is ethirteen’s modular solution for riders and mechanics who need axle standard flexibility without replacing the entire hub. Designed specifically for Gen 2 and Gen 3 SL rear hubs equipped with steel axles, this kit allows quick conversion between multiple rear spacing and axle formats commonly found across modern trail, enduro, and DH frames.
Gen 2 and 3 SL steel axle hubs are produced in multiple hub widths, and these interchangeable endcap plugs make it possible to adapt a single hub to different frame standards. Whether you’re moving a wheel between bikes or updating a build, the system keeps conversions straightforward while maintaining proper hub alignment and axle interface.
Steel Axle Endcap Plug Kit for Gen 2 & 3 SL Rear Hubs Specs at a Glance
- Compatibility: ethirteen Gen 2 and Gen 3 SL rear hubs with steel axles.
- Boost Options: 148x12 thru axle, 141x12 thru axle, 141 QR.
- DH Options: 157x12 thru axle, 150x12 thru axle, 150 QR.
- Included Endcaps: Flat 12mm thru axle, +7mm by 12mm thru axle, QR.
- Function: Converts hub to different axle and spacing standards.
Design Benefits
- Axle Standard Flexibility: Adapt a single rear hub to multiple common frame standards.
- Service-Friendly Design: Endcap swaps are straightforward for shops and home mechanics.
- Cost-Effective Conversion: Eliminates the need to replace hubs or complete wheels when standards change.
Important Compatibility Notes
This kit is not compatible with ethirteen E*Spec Race hubs or any hubs equipped with alloy axles, including all XCX hubs. Confirm hub model and axle material before installation.
Final Take
The Steel Axle Endcap Plug Kit for Gen 2 & 3 SL Rear Hubs is an essential service component for riders who value adaptability in their wheel builds. With support for a wide range of Boost and DH standards, it keeps ethirteen SL hubs relevant across multiple bikes and evolving frame requirements.

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