Chris King Boost Rear Hub
Best premium component for discerning riders seeking ultimate durability and performance.
A gold standard in mountain bike hubs, offering legendary durability and precision engagement. It is the go-to choice for riders who prioritize long-term reliability and smooth performance over lightweight racing specs.
$579.00
Who it's for
- Discerning cyclists appreciating quality engineering and long-term value.
- Riders seeking a lifetime investment in their bike's performance.
- Aggressive riders demanding responsive power from their drivetrain.
Who should skip it
- Budget-conscious riders or those prioritizing value over ultimate longevity.
- Riders preferring a quieter, more subdued freewheel experience on their bike.
- Cyclists who prefer simple, tool-free maintenance or professional shop service.
Performance breakdown
Engagement Speed
The 72-point RingDrive system delivers near-instant power transfer on technical climbs.
Build Stiffness
One-piece axle design creates a rock-solid platform for aggressive trail riding.
Weather Resistance
Heavy-duty seals effectively lock out grit and moisture in harsh conditions.
Maintenance Accessibility
Straightforward design allows for quick servicing with standard shop tools.
Wheel Build Strength
Canted flanges provide an ideal geometry for exceptionally durable wheel builds.
Bearing Longevity
Surgical-grade steel races ensure smooth rotation over thousands of trail miles.
Key Specs
Axle Width
148mm
Axle Diameter
12mm
Spoke Count
32h
Engagement Points
72
Freehub Body Type
Shimano Micro Spline, HG, XD
Bearing Type
Steel
Material
Steel
Intended Use
Mountain Biking
Brake Compatibility
Disc Brake
Disc Mount Type
Centerlock
Know before you buy
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