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Chris King ISO B Rear Disc Hub

Temporarily Out Of Stock

Item # CKG001K

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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XD boosted.

The Chris King Thru Axle ISO XD Boost Rear 12x148mm Disc Hub brings Boost axle width compatibility to your favorite SRAM XD cassette and shiny new, Boost-equipped whip. Compared to its narrower siblings, the Boost ISO features a slightly tweaked shell shape and thickened flanges for increased strength. Long known as a versatile hub built to tackle a wide range of terrain, the ISO adds strength and stiffness for precise tracking and confident handling over technical trails.

The Chris King Thru-Axle ISO XD Boost Rear 12x148mm Disc Hub utilizes Chris King's Ring Drive freehub system for lightning fast engagement and that signature swarm of bees sound when coasting. It's available with your choice of 28 or 32 holes.

Tech Specs

[hub shell, driveshell] aluminum, [bearings] steel
Hub Type:
SRAM XD, 12x148mm thru axle
Rotor Compatibility:
Spoke Count:
28, 32
Recommended Use:
mountain biking
Manufacturer Warranty:
5 years



Claimed Weight

Claimed weights are provided by the vendor.

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Love the sound

  • Familiarity: I've put it through the wringer

King hubs have always sounded the best to me. Not too loud as some others out there but certainly plenty loud and make a very distinct sound.