14 Speed Internal gear hub.
Hollow Quick release or solid type axles.
32H or 36H.
135mm spaced. 
Boxed kit includes hub cables & OEM2 Axle plate.
Special 4 bolt Disc fitting.
526% range of gears (equivalent to typical 27 Speed MTB derailleur system)
14 Individual gears (no wasted overlaps or duplicates)
Evenly spaced 13.6% gear increments. (no sudden big jumps)
Ability to shift whilst stationary or under load.
Super efficient sealed Oil bath mechanism (95-99%)
Adjustment and maintenance free over thousands of miles.
Gear positions are indexed inside hub, thus negating critical cable tension adjustments.
Precision German engineered (in use Worldwide in the hardest of races and regions.)
Super reliable, can be used for virtually all disciplines, including Tandem and Downhill.
Lightweight - approx 1.7Kg, but replaces a lot of conventional gear components...
Includes 16t sprocket