YSS Fork Springs are manufactured from start to finish at the dedicated YSS Spring Factory Plant in Thailand and all springs are produced with high performance spring wire before being pre-set and stress relieved giving an extended life span and a higher level of performance over stock equipment.
Features of YSS Fork Springs:

YSS Linear fork springs set with ABE
Significantly improve ride quality
Ideal replacement for slack original springs.
Easy self-installation.
Made from silicon spring steel to reduce the wire thickness for a positive effect on the spring properties and avoids torsion of the spring.
Sold as a set (pair) including ABE