Onyx Racing Products Rear Endcaps
Best precision component for cyclists seeking a perfect hub fit.
These precision-machined endcaps are the essential link for swapping freehub bodies on your high-performance mountain bike wheelset. They offer a flawless, secure fit that keeps your drivetrain running smoothly, though you sacrifice universal compatibility for the sake of dedicated, hub-specific engineering.
$57.99
at
eBay
Who it's for
- Riders seeking a seamless and secure interface for their wheelset
- Cyclists who frequently swap wheels between multiple bike frames
- Performance-oriented riders who value long-term component durability and style
Who should skip it
- Budget-conscious mechanics looking for the most affordable replacement parts
- Owners of multiple Onyx hub generations needing interchangeable spare parts
- Custom builders who require immediate access to specific aesthetic options
Performance breakdown
Machining Precision
Tight tolerances ensure a seamless, play-free interface with Vesper hubs.
Installation Simplicity
Straightforward design makes swapping freehub bodies a quick, tool-free process.
Material Durability
Hardened construction withstands the high torque demands of aggressive trail riding.
System Compatibility
Specifically tailored for XDR and HG11 standards, limiting broader cross-brand utility.
Weight Optimization
Minimalist design keeps rotational mass low without sacrificing structural integrity.
Alignment Accuracy
Maintains perfect hub centering to prevent uneven wear on drivetrain components.
Key Specs
Part Type
Rear Endcaps
Axle Diameter
12mm
Compatibility
Vesper MTB hubs
Freehub Compatibility
XDR/HG11
Weight
0.1 lbs (approx. 45.36g)
Part Number
103309
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