Inside peak of Magura's mighty Wotans

by matt holland
May 8, 2010 at 9:08

After my Magura Wotans decided to be stubborn i decided to take a peak inside the guts of the 160mm travel, 36mm stantioned all mountain/freeride forks.


Compression Adjustment:
The 'Albert Select' is a simple adjustment in the world of forks, a blue dial turn the compression damping on and off whilst the central gold knob adjusts the level of compression damping.
Following the gold dial into the fork we find that a sleeve turns revealing a small hole for the oil to flow through and at the end of the compression rod
Compression Rod
Open Albert Select
Closed Albert Select

Rebound Adjustment
Rebound Rod

The simple rebound adjustment works by limiting the flow rate of oil as the fork extends after hitting a bump. There are two stages to this operation.
Firstly, as the fork compresses, oil in the main chamber passes through 16 small holes in the white end cap of the rod, displacing a small spring by pushing against a thin washer

As the spring forces the fork to extend, the spring shuts off the 16 holes, forcing all of the oil to flow through four elliptical holes, whose size is determined by the rebound setting. For a faster rebound, and by turning the red rebound know counter-clockwise, the hole is at a maximum size, giving hardly any resistance to the returning oil. For a slower rebound, the knob is turned clockwise which pushes a small rod inbetween the 4 holes, limiting the flow rate of the oil
Fast/Open rebound
Medium rebound
Slow/Closed rebound


Air Spring
The Wotan uses a self regulating dual air chamber at a relatively low pressure to give the forks their suppleness. The Flight Control Remote top cap is linked to the air shaft and opens up a small hole in the shaft when turned which links the two air chambers and enables them to equalize pressure.
The air spring assembly

Equalizing Holes

Lower air spring Assembly


So there you have it!
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4 Comments

  • + 1
flag bnegative (May 28, 2010 at 23:42)
 I'll have this blog in my while servicing my Wotan. Nice description and pictures.
[Reply]
  • + 1
flag Svard75 (Jun 7, 2010 at 6:50)
 Awesome writeup. So what was the cause of the stubbornness?
[Reply]
  • + 1
flag Leerobbo (Feb 7, 2012 at 11:01)
 awesome pal, nice work
[Reply]
  • + 1
flag pbuser102331 Plus (May 8, 2010 at 10:07)
 very nice.
[Reply]

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