The centre of the axle tapers slightly giving an hour-glass shape to reduce weight all 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 42 mm bearings are extremely durable, Compatible with all ISIS spline cranks.

Features:
•  ISIS Drive interface
•  Unicycle Bearings - ISIS 42mm
•  Single piece of CrMo material
•  Comes with 2, M8 x 24mm long  ISIS bolts
•  Comes with 2 x 6mm crank spacers
•  Bearing pitch of 100mm (Industry standard)
•  Spoke Holes: 36

•  Weight: 495g (530g including bearings)

Hub flange width (W) = 70.3mm
Hub flange Diameter  (D) = 55mm
Hub hole Diameter (S) = 2.9mm