Set of Serpent Rear shock springs for JABBER.
This set of 5 different spring rates (red, pink, blue, purple, green) from soft to hard. Fits shock absorber No. S160100 and 54014000for all JABBER bikes. 
 
Spring length 27mm, inner diameter 13,8mm, outer diameter 17,5mm. 
 
 Spring hardness included:

red (4.1 N / mm / 23.5 lb / inch) 
pink (4.9 N / mm / 28 lb / inch) 
blue (5.8 N / mm / 33 lb / inch) 
purple (6.8 N / mm / 39 lb / inch) 
green (8.0 N / mm / 45.5 lb / inch)