The Kris Holm Spirit Hub is forged from a single piece of CrMo material. This results in a beautifully simple, strong and reliable hub.
The center of the axle tapers slightly giving an hour glass shape to reduce weight while maintaining strength. The 36 hole flanges are widely spaced and shaped to maximize wheel strength. Spoke holes are beveled and slightly de-tempered (softened) to minimize spoke breakage. The 42mm bearings are extremely durable: Evolution of Balance Award Winner Cary Gray rode his loaded KH36 more than 10,000km before needing a replacement set. Compatible with all ISIS spline cranks.
Together, the Spirit hub and Spirit cranks provide a strong and lightweight setup for all types of riding. With Spirit disc brake cranks, this setup provides the high geometric strength of widely spaced flanges in a symmetrical wheel, with no requirement to remove a bearing to install the disc rotor.
Note: This hub utilizes 42mm bearings, and is compatible with 42mm frame/bearing housings only.