The axle is compatible with ISO rear hub Chris King.
The outer diameter of 19.5 mm, it is extremely stiff.
Compatibility Hub Chris King ISO rear hub
Compatibility: Quick Release | 10mm thru-axle TA (Thru Bolt)
Construction: one piece
Width: 135 mm
Inner diameter: 10 mm
Outside diameter: 19.5 mm
Mounting: Please use the correct mounting of the guidance manufacturer .