This has adjustable spring preload and damping.  Hagon shock absorbers have a 2 year unlimited mileage guarantee.
This shock is also available with a remote hydraulic preload adjuster.  See SUA60021PL .  
Hagon shock absorbers are built as standard to provide adequate performance for an average rider weight of 12-15 stone (75-100Kg) and an average pillion weight of 10 stone (64Kg).  

If you anticipate a regular load in excess of 25 stone (160Kg) the following information will be required:
a.  weight of rider in full riding gear
b.  weight of pillion in full riding gear
c.  weight of luggage if regularly carried
The shock will be built to order with a stronger spring and modified internal parts.  There will be no additional charge for this.  
All Hagon Monoshocks now come with a Black spring.
If you are interested in an equivalent used part click here   
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